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How to Grow Guava (Amrood) in India: Pot & Garden Guide
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How to Grow Guava (Amrood) in India: Pot & Garden Guide

Grow amrood (guava) in India with two harvests per year using ambe bahar + hasta bahar. Includes Day 7 monsoon emergency guide: fruit drop + anthracnose diagnosis table, copper fungicide protocol, and 5-step fix for dropping fruits and dark leaf spots on potted and garden guava trees.

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最終更新: September 3, 2026
SG

Sarah Green

Horticulturist and garden expert with 15+ years of experience growing vegetables, herbs, and houseplants. Certified Master Gardener.

My Garden Journal

How to Grow Guava (Amrood) in India: Pot & Garden Guide

Amrood (guava, Psidium guajava) is one of the most popular fruit trees grown in Indian home gardens — and for good reason. It starts bearing fruit within 2–3 years of planting, produces prolific yields with minimal care, and uniquely in India, can be manipulated to produce two harvests per year using the bahar treatment technique. A single well-cared-for amrood tree in your garden can produce 30–50 kg of fruit per year.

Guava is also genuinely easy to grow in India. It tolerates heat, tolerates brief drought, grows in a wide range of soils, and is remarkably resistant to pests and disease compared to other fruit trees. If you have space for one fruit tree in an Indian garden or a large pot on a terrace, amrood deserves serious consideration.

Quick Reference for Indian Growers

DetailIndia Info
Hindi NameAmrood
Regional NamesPeru (Maharashtra/Karnataka), Jama (Bengal), Koyyakaaya (Telugu)
Botanical NamePsidium guajava
Best Planting TimeFebruary–March or July–August (post-monsoon)
First Fruit2–3 years (grafted/budded nursery tree)
Two HarvestsAmbe bahar (summer) + Hasta bahar (winter)
Pot SizeMinimum 20 gallon (75L) for container growing
Best ClimateAll of India — from Punjab to Tamil Nadu
Key ChallengeFruit fly damage; guava wilt in heavy clay soils

India Planting Calendar

MonthAction
February–MarchBest planting time for North India. Soil warms, rains not yet started. Tree establishes well before summer.
July–AugustSecond best window (post-monsoon). Monsoon moisture assists establishment. Good for South and West India.
October–NovemberAvoid — too close to winter in North India.
Year-roundSouth India (Tamil Nadu, Kerala, Karnataka): guava can be planted almost any month except peak summer (April–May).

Two Harvests Per Year: Bahar Treatment

This is the most important technique for Indian amrood growers. In India, guava naturally flowers in response to soil stress (drought or pruning). By timing this stress strategically, you can engineer two flowering periods and thus two harvests per year — one in summer and one in winter.

Ambe Bahar (Summer Harvest: March–June)

When: Withhold water and lightly prune in December–January What happens: Stress triggers flowering in January–February Harvest: March–June (peak summer) Quality: Fruits are smaller but sweeter — ideal for processing, jam, and guava paste Best suited for: Punjab, Haryana, UP, Rajasthan (hot dry summers ripen fruit fast)

How to do ambe bahar stress treatment:

  1. In mid-December, stop all irrigation for 3–4 weeks
  2. Prune lightly — remove crossing branches, any dead wood, 10–15% of canopy
  3. After 3–4 weeks of drought stress, resume irrigation with a good deep watering
  4. Flowering typically begins within 2–4 weeks of resuming water
  5. Apply fertilizer (high-K formula) to support fruit development

Hasta Bahar (Winter Harvest: October–January)

When: Withhold water and prune in May–June What happens: Stress triggers flowering in June–July Harvest: October–January (winter) Quality: Larger, juicier, more aromatic fruits — the peak quality guava season in India Best suited for: Most of India — winter guava is the preferred harvest for fresh eating and markets

How to do hasta bahar stress treatment:

  1. In late May, after the summer harvest (or when you choose to start), stop irrigation for 2–3 weeks
  2. Prune moderately — remove 20–25% of the canopy, especially inward-facing branches
  3. Resume irrigation after 2–3 weeks, plus a full fertilizer dose
  4. Monsoon rain will assist — flowering occurs July–August
  5. Fruits develop through monsoon and ripen October–January

Note: Most Indian home gardeners focus on hasta bahar (winter harvest) only. Adding ambe bahar treatment doubles your yield but requires more management.

Best Guava Varieties for India

VarietyFleshFruit SizeBest UseAvailability
Allahabad SafedaWhite, seedless (few seeds)Large (150–200g)Eating fresh, processingWidely available nurseries
Lucknow 49 (Sardar)White, crispMedium-largeBest for home gardens — reliable yieldsVery common
Taiwan Pink (Taiwan Guava)Pink, sweetLarge (200–400g)Fresh eating, high yieldOnline nurseries, metros
LalitPink, aromaticMediumEating + processingIARI release, good for gardens
ShwetaWhite, seedlessLargeFresh eatingCISH Lucknow release
Apple GuavaWhite-cream, crunchySmall-mediumSnacking, crisp textureNorth India nurseries
Seedless GuavaWhite, softMediumConvenience eatingAvailable but lower yield

Recommendation for beginners: Lucknow 49 (Sardar) is the most reliable for Indian home gardens — consistent yield, adaptable to all regions, and available at almost every nursery.

Buy grafted/budded trees: Always buy grafted or air-layered trees from a nursery, NOT seedlings grown from seed. Grafted trees:

  • Begin fruiting in 1–2 years vs 3–4 years for seedlings
  • Produce identical fruit to the parent (known quality)
  • Typically more disease-resistant

Planting — Garden and Pot

Garden Planting

  1. Dig a pit 60 cm × 60 cm × 60 cm
  2. Fill with: 50% excavated soil + 25% compost + 25% river sand + 2 kg neem cake
  3. Space trees: 5–6 meters apart (Allahabad Safeda, Lucknow 49); 3–4 meters (compact varieties)
  4. Plant the grafted tree at the same depth as the nursery bag
  5. Stake the tree for the first year to prevent wind damage
  6. Water deeply after planting; mulch with dry leaves or straw

Pot Growing (Terrace/Balcony)

Guava grows well in large containers but needs a big pot:

  • Minimum: 20-gallon (75L) container, 18 inches wide
  • Ideal: 25–30 gallon (90–115L) drum or large terracotta pot
  • Mix: 40% garden soil, 30% compost, 20% sand/perlite, 10% neem cake
  • Compact varieties best for pots: Taiwan Pink, Apple Guava, Lucknow 49 (can be kept pruned to 5–6 feet)
  • Yield from pot: 5–15 kg per year (vs 30–50 kg from a garden tree)

Fertilizing Schedule

SeasonFertilizerAmount (per tree)
February–March (pre-ambe bahar)15:15:15 NPK200–300g
April–May (fruit development)Potassium (MOP)100g + 10kg compost
July–August (post-hasta stress)15:15:15 NPK200–300g
October (fruit ripening)Potassium (MOP)100g (sweetness, size)
Year-round (monthly)Vermicompost2–5 kg top-dressed

For pot-grown guava: Use ¼ of the above doses. Liquid fertilizer (Jeevamrut, seaweed, or fish emulsion) applied fortnightly is very effective for container trees.

Seasonal Care — India

Summer (March–June)

  • Water every 2–3 days for garden trees; daily for pots in peak heat
  • Mulch heavily (5–8 cm) around the tree base to conserve moisture
  • This is the ambe bahar harvest season — pick fruit when it turns yellow-green and slightly soft

Monsoon (July–September)

  • Reduce watering for garden trees — monsoon rain is usually sufficient
  • Critical: Do not let guava sit in waterlogged soil — causes root rot and Fusarium wilt
  • Ensure bed has excellent drainage; mound the soil slightly around the tree base
  • Apply copper fungicide or Bordeaux mixture monthly to prevent fungal diseases
  • Spray neem oil every 15 days for fruit fly and scale control

Guava Monsoon Failure Modes — India 2026 (Kerala Early Onset)

Kerala monsoon arrived May 26, 2026 — 5 days ahead of the normal June 1 onset. This early arrival accelerates fungal disease risk for all guava trees, particularly in Kerala, coastal Karnataka, and Goa. Identify the problem early: guava is forgiving, but delays beyond 2 weeks allow irreversible wilt.

The 4 Monsoon Failure Modes for Amrood

Failure ModeVisual SymptomCauseReversible?
Fusarium WiltOne branch yellows + wilts; progresses to whole treeFusarium oxysporum in waterlogged roots❌ No — remove tree
AnthracnoseBrown-black sunken spots on fruit; tip diebackColletotrichum gloeosporioides in humidity✅ Yes — copper spray
Phytophthora Root RotLeaves curl downward, dull grey-green; stem base softWaterlogged clay soil + Phytophthora✅ Early yes — drainage fix
Fruit Fly Monsoon SurgeMaggots in fruit; fruit drops earlyBactrocera population peak July–August✅ Yes — bag + trap

Fusarium Wilt: The Only Unrecoverable Guava Disease

Fusarium wilt is the most feared guava disease in India. Unlike foliar fungal problems which can be treated, Fusarium wilt colonises the vascular tissue — blocking water transport — and has no cure once established.

How to identify:

  1. One branch yellows and wilts while the rest of the tree looks healthy — this is the first sign
  2. The yellowing branch drops leaves; the wood turns brown inside when cut cross-section
  3. Over 4–8 weeks, the wilt spreads to adjacent branches
  4. The entire tree wilts and dies — even if watered heavily
  5. The stem base may show a dark brown staining under the bark when cut

Fusarium vs Overwatering — diagnostic test:

  • Cut the stem 2 cm above soil level and look at the cross-section
  • Fusarium: Brown or dark vascular ring (the xylem is stained brown)
  • Overwatering: White/cream cross-section — vascular tissue is undamaged

What to do if Fusarium confirmed:

  • Remove the entire tree, including as much root as possible
  • Do NOT compost — bag and dispose to prevent soil spread
  • Do NOT plant another guava or any Myrtaceae family plant in the same spot for 3–5 years
  • Drench the soil with a Trichoderma-based biocontrol product to reduce fungal load before replanting

Prevention (do this now — May 2026):

  • Plant in raised beds or mounded soil if your garden has clay
  • Add generous sand or perlite to any guava pit before planting
  • Apply 500g neem cake per tree at the start of monsoon (soil surface, gently worked in)
  • Trichoderma viride drench at 10g/L every 2 months during monsoon season

Anthracnose: The Monsoon Fruit Destroyer

Anthracnose (Colletotrichum gloeosporioides) causes brown sunken spots on guava fruit during and immediately after heavy rain. In Kerala and coastal India, the 2026 early monsoon (high humidity from May 26 onwards) creates ideal conditions for rapid spore spread.

Identification:

  • Circular brown-black sunken spots on green or ripening fruit
  • Spots expand and merge into large lesions; fruit rots from the outside in
  • Branch tip dieback with dark brown lesions (especially on young shoots)
  • Disease spreads via rain-splash — a single infected fruit can spread spores to dozens of nearby fruits

Bordeaux Mixture Protocol (Home Garden): Bordeaux mixture (copper sulphate + lime) is the most effective and widely available treatment for anthracnose in India.

  1. Preparation: Mix 100g copper sulphate in 5L water separately. Mix 100g hydrated lime in 5L water separately. Combine by slowly pouring copper sulphate into lime solution while stirring. Never reverse the order.
  2. Application: Spray entire canopy including fruit surfaces every 15 days from monsoon onset (June 1 or when rain begins)
  3. Pre-monsoon spray (do this now May 26–31): One preemptive Bordeaux spray before first heavy rain significantly reduces spore loads
  4. Frequency: Every 15 days during July–August; every 3 weeks September–October
  5. Alternative: Copper oxychloride 50 WP at 3g/L water, same spray schedule

Monsoon Fruit Fly Surge: Bactrocera Peak Season

Bactrocera fruit fly populations peak in July–August when humidity + warmth create ideal breeding conditions. Monsoon-damaged or cracked fruit are entry points for female flies, creating a double problem.

Emergency monsoon protocol:

  • Check all fruits every 3 days — remove any with dimpling or soft spots immediately
  • Bag remaining fruits urgently if not already bagged (organza bags, paper bags)
  • Hang methyl eugenol traps within the canopy (not on branches — hang from stakes nearby)
  • Fallen fruit: collect and bag daily — do NOT leave on ground (each fallen fruit = 200+ fly larvae)
  • If infestation is severe: spray Spinosad (0.01%) on fruit surface every 7 days

May 2026 Pre-Monsoon Checklist for Amrood Growers

Kerala monsoon has arrived. Act this week:

  • Check soil drainage — does water pool near the tree base after rain? Mound soil outward now.
  • Apply 500g neem cake around each tree (15 cm from trunk outward)
  • Apply Trichoderma viride drench (10g/L, 2L per tree)
  • Pre-emptive Bordeaux spray on all fruit and foliage
  • Begin bagging any fruit that has reached marble size
  • Hang 1 methyl eugenol trap per 2–3 trees

Post-Monsoon (October–November)

  • Resume fertilizing with potassium-heavy formula
  • This is the hasta bahar harvest season — peak quality amrood
  • Monitor for fruit fly damage — bag fruits with paper or organza bags when small

Winter (December–February)

  • Hasta bahar harvest continues
  • Apply stress treatment in December–January for ambe bahar (if you want two harvests)
  • Light pruning to shape the canopy

Common Problems — India Specific

Guava Not Fruiting

One of the most common queries from Indian gardeners.

Possible causes:

  • Too young: Seedling trees take 3–4 years. Grafted trees should fruit in 1–2 years. If your tree has not fruited by year 3 (grafted), the cause is below.
  • Excess nitrogen: Heavy use of urea or DAP causes lush vegetative growth but delays flowering. Switch to phosphorus + potassium fertilizer.
  • No stress trigger: Guava needs a drought or pruning stress signal to flower. Apply bahar treatment.
  • No cross-pollination: Most Indian guava varieties are self-fertile, but having 2+ trees improves fruit set by 20–30%.
  • Wrong season: Guava in North India may flower naturally in February–March and October–November. If you fertilize heavily year-round, you suppress the natural rest period.

Solution: Stop all irrigation for 3 weeks, prune lightly, then resume water + high-K fertilizer. Flowering usually follows within 3–5 weeks.

Fruit Fly Damage (Maggots in Fruit)

The most economically significant guava pest in India. Bactrocera fruit fly lays eggs in ripening fruit; maggots destroy the flesh.

Prevention:

  • Bag fruits with paper bags or organza bags when fruits are small (marble-sized) and remove bags at harvest
  • Fruit fly traps: Methyl eugenol traps (chemical attractant) reduce male fly populations. Available from agriculture stores.
  • Harvest slightly early — flies prefer very ripe fruit. Harvest when green-yellow, let ripen off the tree.
  • Clean up fallen and damaged fruit immediately — every fallen fruit is a breeding site.

Fruit Drop Before Ripening

  • Watering inconsistency: Irregular watering during fruit development causes premature drop. Maintain steady soil moisture.
  • Calcium deficiency: Apply calcium nitrate (5g/L solution foliar spray) fortnightly during fruit development.
  • Mealybug/Scale attack at stem: Check for white waxy insects at the fruit stem. Remove with neem oil spray.

Yellow Leaves

  • Iron deficiency (yellowing between green veins): Very common in alkaline soil. Apply iron chelate or ferrous sulphate (FeSO4) at 5g/L soil drench + foliar.
  • Overwatering: Roots suffocating. Improve drainage.
  • Root rot/Fusarium wilt: More serious — progressive yellowing of entire branches + wilt. No cure; remove affected tree.

Kerala Monsoon Day 12 — Second Anthracnose Spray + Fruit Salvage Decision

Kerala monsoon Day 12 (June 1, 2026) is a mandatory action point for every guava grower in Kerala, coastal Karnataka, and Maharashtra who applied the first copper fungicide spray on Day 5–7. Copper oxychloride protects for 7–10 days under moderate rain — after 12 days of continuous monsoon, that protection window has closed. Reapply today.

Day 12 Anthracnose Spray Protocol:

  1. Mix copper oxychloride at 2g per litre of water (do not increase concentration — phytotoxicity risk in monsoon)
  2. Add a sticker-spreader (1–2 drops dish soap) to improve adhesion in wet conditions
  3. Spray all leaf surfaces (both sides), developing fruits, and young branches
  4. Apply between 6–8 AM or after 5 PM — avoid midday spray in monsoon (evaporation + leaf scorch risk)
  5. Repeat every 10 days through September (Day 22, Day 32, Day 42...)

Day 12 Fruit Salvage Decision Table:

Fruit ConditionDiagnosisAction
Small spots on fruit surface only, flesh still firmEarly anthracnose (surface)Spray copper; fruit will ripen with cosmetic blemish
Dark sunken lesions on fruit, soft flesh belowAdvanced anthracnose (internal)Pull and discard; do not compost monsoon-infected fruit
Fruit yellowing and dropping at 2–3 cm sizeRoot waterlogging stressImprove drainage urgently; fruit drop will continue until roots oxygenate
Fruit developing normally with no spotsCopper spray from Day 7 workedApply second spray today as scheduled; no other action
Fruit splitting after rainOver-watering or irregular moistureStop supplemental watering; let rain regulate; mulch if in ground

Sucker Management at Day 12:

Guava sends up root suckers aggressively in monsoon — these are fast-growing vertical shoots from roots or the base of the trunk. In Day 12 conditions, suckers can be 30–50 cm tall. If you want to use them for propagation, mark the 2 strongest and remove the rest. If you don't want them: cut at soil level and apply copper paste to the cut surface to prevent regrowth.

Container amrood drainage re-check: By Day 12, 12 consecutive days of rain can compact the soil surface in containers, reducing infiltration. Water should disappear from a container pot within 2 minutes of watering. If it pools on the surface for more than 5 minutes, aerate by inserting a chopstick or thin bamboo stick 10–15 cm deep in 3–4 spots around the pot.

Frequently Asked Questions

What is the best Indian guava variety for home gardens?

Lucknow 49 (Sardar Guava) is the best all-around variety for Indian home gardens. It is adaptable to all regions of India, produces reliably, has medium-large white-fleshed fruits with few seeds, and is available at most nurseries. For those who prefer pink flesh and a sweeter flavour, Lalit is excellent. For terrace pots, Taiwan Pink works well because it can be maintained at a compact size and produces large, attractive fruits.

How do I get my guava tree to fruit twice a year in India?

Use the bahar treatment. To get winter fruit (hasta bahar): Stop watering in May–June for 2–3 weeks, prune 20–25% of the canopy, then resume irrigation. Flowering follows in July–August, fruits ripen October–January. To additionally get summer fruit (ambe bahar): Stop watering in December–January for 3–4 weeks with light pruning, resume water in January–February. Flowering in February–March, fruits ripen March–June. The key insight is that guava flowers in response to stress (drought or pruning) — by engineering the timing of that stress, you control when it fruits.

Why is my amrood tree not fruiting?

The most common reason is no stress trigger. Guava needs a period of drought stress or pruning to initiate flowering. If you water your tree year-round without a dry period, it stays in vegetative growth mode. Apply bahar treatment: stop all watering for 3 weeks, prune lightly, then resume watering with a potassium-rich fertilizer. Flowering typically follows within 3–5 weeks. Other causes: the tree is a seedling (takes 3–4 years to first fruit), too much nitrogen fertilizer, or the tree is planted in partial shade (guava needs full sun to fruit well).

How do I prevent fruit fly damage in guava?

Bagging is the most effective home garden method. When guava fruits reach marble size (2–3 cm diameter), slip a paper bag or organza bag over each fruit and secure it at the stem. Remove at harvest. This physically prevents the female fly from laying eggs in the fruit and eliminates damage without any pesticide. Additionally, hang methyl eugenol traps near the trees — these attract and trap male fruit flies, reducing the population. You can also use neem oil spray (5ml/L) every 10–15 days as a repellent. Harvest fruit slightly early (green-yellow stage, before fully yellow) and let it ripen indoors where flies cannot reach it.

Can I grow amrood in a pot on my terrace?

Yes, but you need a large container. Use at least a 20-gallon (75L) pot, and a 25–30 gallon (90–115L) drum is better. Compact varieties like Taiwan Pink or Apple Guava work best for pots. Pot-grown guava produces 5–15 kg of fruit per year — less than a garden tree, but very satisfying for a terrace. Use a well-draining mix (40% soil, 30% compost, 20% sand, 10% neem cake) and water every day in summer. You can still apply bahar treatment to pot-grown trees: stop watering for 2–3 weeks, prune, then resume. Pot guava typically begins fruiting in its second year.

Guava (Amrood) Monsoon Week 2 Checkpoint (Jun 8–20)

Monsoon Week 2 (June 8–20) is the highest-pressure management window for guava (amrood) in India. Sustained rain, humidity above 85%, and continuous leaf wetness create the ideal conditions for anthracnose, fruit fly infestation, and wilt diseases to escalate from isolated incidents to tree-wide damage within days. Guava is paradoxically both highly productive and highly vulnerable during Week 2 — fruit development continues even as disease pressure peaks. This checkpoint helps you audit the actual state of your amrood tree and respond correctly.

Where Your Guava Tree Should Be Right Now

Trees in hasta bahar cycle (fruiting October–December — correct India practice): A tree correctly managed for the October–December harvest will have been stress-pruned (water-stopped for 3–4 weeks) in June–July and recently resumed watering. Week 2 trees in this cycle should be showing fresh new shoot growth from pruning points — 3–8 cm of new growth is healthy. Week 2 action: Apply NPK 12:32:16 (10g/L) once to support post-prune flush. Copper oxychloride spray (3g/L) preventively on new growth — anthracnose targets the emerging soft tissue.

Trees in ambe bahar cycle (fruiting June–August — off-cycle but common in home gardens): Trees not managed for bahar treatment may have fruit at various stages in Week 2. Marble-sized to golf ball fruits are common. Week 2 action: Bag all fruits 2–3 cm or larger immediately if not already done — fruit fly (Bactrocera dorsalis) egg-laying peaks in Week 2 humidity. Unbagged fruit will be infested within 5–10 days. Apply neem oil (5ml/L) + methyl eugenol traps around the tree.

Potted terrace guava: Container guava faces the greatest waterlogging risk in Week 2. Check that drainage holes are clear — amrood in a waterlogged pot shows yellow leaves and fruit drop within 72 hours of saturation. Week 2 action: Elevate pot on bricks; tilt slightly to drain one side; skip supplemental watering until rain stops for 48+ hours.

Week 2 Anthracnose Triage

Anthracnose (Colletotrichum gloeosporioides) is guava's most destructive monsoon disease. Week 2 rain splash carries spores from soil and infected debris to every wet leaf surface:

  • Leaf symptoms: Dark brown-black irregular spots with a yellow margin; spots enlarge and merge in high humidity; affected leaves curl and drop
  • Fruit symptoms: Sunken, dark, circular lesions on maturing fruit; lesions expand rapidly; fruit rots from the lesion inward; spotted fruit is unsalvageable
  • Shoot die-back: New growth tips blacken and die from the tip downward — this is anthracnose on tender growth; remove affected tips 5 cm below the dead zone
  • Treatment: Mancozeb 2.5g/L + copper oxychloride 3g/L alternated every 7 days; remove and dispose of fallen fruit and infected leaves (do not compost); improve canopy airflow by removing crossing interior branches

Week 2 Fruit Fly and Fruit Drop Management

Guava fruit drop in Week 2 has two causes — disease and pest — and the treatment differs:

  • Fruit drop with dark entry holes: Bactrocera fruit fly larvae inside; unbagged fruit is infested. Remove and destroy all fallen fruit (seal in polythene bag; do not compost). Hanging 4–6 methyl eugenol traps per tree reduces male population by 80% within a week.
  • Fruit drop without visible damage: Waterlogging stress or ethylene-triggered abort during fruit set. Check drainage. Potassium deficiency also causes fruit abort — apply MOP (muriate of potash) 5g/L once.
  • Bagging protocol: Bag fruits at marble size (2–3 cm); paper bags or organza bags both work; secure with rubber band or twist tie at the stem; remove only at harvest.

Week 2 Action Checklist

  1. Bag all marble-sized fruits — fruit fly infestation prevention; most urgent action this week
  2. Apply copper oxychloride spray (3g/L) — all leaf surfaces and young fruit; Week 2 anthracnose prevention
  3. Set methyl eugenol traps — 1 trap per 4–5 trees; reduces fruit fly population
  4. Check and clear drainage holes — waterlogged roots trigger yellow leaves and fruit abort within 72h
  5. Remove fallen fruit immediately — each fallen fruit is a fruit fly breeding site and anthracnose spore source
  6. Do NOT apply nitrogen fertiliser — pushes soft growth that is maximum anthracnose-susceptible
  7. Apply MOP (5g/L) for potted guava — potassium supports fruit retention and disease resistance

Guava Week 2 Problem Triage Table (June 8–20)

ProblemWeek 2 SignalImmediate Action
Anthracnose on leavesDark spots with yellow margin; leaf curlMancozeb 2.5g/L spray; remove worst-affected leaves
Anthracnose on fruitSunken dark lesions on developing fruitRemove and destroy affected fruit; copper fungicide spray
Fruit fly infestationHoles in fruit; maggots inside fallen fruitBag remaining fruits; destroy fallen fruit; set methyl eugenol traps
Fruit drop — no damageClean fruit dropping before maturityCheck drainage; apply MOP 5g/L once
Shoot die-backNew tip growth blackening from tip downRemove tip 5 cm below dead zone; copper spray on cut
Yellow leaves (pot)Multiple leaves yellowing; heavy waterlogged potElevate; drain; hold supplemental water
Fusarium wiltOne branch wilting despite adequate waterCut branch; inspect wood — if brown vascular ring present, wilt confirmed; no chemical cure; remove affected branches; feed potassium

Realistic Guava Week 2 Harvest Expectations

For ambe bahar trees (June–August fruit): Week 2 amrood should be approaching harvest — fruit turns from bright green to yellow-green and softens slightly at the blossom end. Harvest at first colour break; fully yellow fruit on the tree is prime fruit fly target and rots quickly in monsoon humidity. A single medium amrood tree in Week 2 produces 5–20 fruits ready to harvest.

What a healthy Week 2 guava looks like: Dense canopy with some leaf spotting (minor spotting is unavoidable at 85%+ humidity) but no widespread defoliation; most fruits bagged and holding; no fruit fly holes in bagged fruit; new growth tips emerging green, not blackened. Minor anthracnose on 10–15% of leaves is manageable — damage on 30%+ of leaves requires immediate fungicide intervention.

Guava (Amrood) Monsoon Week 3 Checkpoint (Jun 21 – Jul 4)

Monsoon Week 3 (June 21 – July 4) is the week when the outcomes of Week 1 and Week 2 guava management become visible. Anthracnose that was building through Week 2 either stays contained or breaks out in Week 3. Fruit fly damage either escalates or remains controlled by the bagging protocol. The trees that were correctly managed in Weeks 1 and 2 coast through Week 3 with minimal intervention; those that were under-managed now face compounding problems.

Guava Status by Stage — Week 3 Reality Check

Hasta bahar trees (post-prune flush, fruiting October–December): Trees stress-pruned in early June are now 3–4 weeks into the post-prune flush. The new growth from pruning points should be 8–15 cm of firm, healthy new shoots. This growth is now Anthracnose-susceptible — it was young and tender in Week 2 and has hardened slightly in Week 3. Week 3 check: Apply the second Mancozeb + copper oxychloride alternation (if Week 2 dose was copper, Week 3 should be Mancozeb 2.5g/L). The flush growth should be green and firm — if any tips are blackening, Anthracnose has established on the new growth.

Ambe bahar trees (June–August fruiting): Fruits that were bagged in Week 2 should now be approaching harvest in Week 3. A fruit bagged at marble size (2–3 cm) in Week 2 is now 3–4 cm and beginning to soften slightly at the blossom end. Week 3 check: Inspect bags — any discolouration on the bag or leaking juice indicates rot inside. Remove those fruits; the remaining bagged fruits are on track. Fruit still showing no colour change is 2–3 weeks from harvest.

Potted terrace guava: Container guava Week 3 challenge is soil compaction from sustained rain impact on bare soil. The repeated rain on potting mix creates a surface crust that reduces drainage. Week 3 check: Use a chopstick or thin stick to gently break the top 2–3 cm of soil surface — this improves aeration to the root zone and prevents the crusting that can trap moisture at the root collar.

Week 3 Anthracnose Assessment

Anthracnose disease progression in Week 3 follows the Week 2 baseline:

Contained (Week 2 management effective):

  • Less than 15% of leaf surface affected
  • Spots confined to older lower leaves (5th leaf and below from tip)
  • No shoot tip die-back
  • Week 3 action: Continue Mancozeb/copper alternation weekly; no structural intervention needed

Advancing (Week 2 management insufficient):

  • 15–30% leaf surface; spots reaching 3rd–4th leaf from tip
  • Some shoot tip blackening beginning
  • Week 3 action: Increase spray frequency to every 5 days; remove all affected shoot tips 5 cm below the dead zone; improve canopy airflow by removing any crossing interior branches

Severe (Week 2 management failed or skipped):

  • 30% defoliation; multiple shoot die-back events; fruit with lesions even in bags

  • Week 3 action: Emergency pruning — remove all dead/infected shoot tips; spray Mancozeb 2.5g/L on remaining healthy tissue; copper spray 3g/L on all wounds; consider removing heavily infected branches to healthy wood

Week 3 Harvest Completion

For ambe bahar trees, Week 3 is the final harvest window:

  • Harvest signal: Fruit turns from bright green to yellow-green; blossom end softens slightly when pressed; fruit aroma becomes detectable at close range
  • Do not wait for full yellow — fully yellow guava on the tree in Week 3 humidity rots within 24–48 hours
  • Harvest in early morning before heat builds; handle with clean hands to avoid introducing fruit rot
  • After harvest, apply one final copper spray to all stems to protect for Week 4

Week 3 Action Checklist

  1. Anthracnose assessment — score leaf damage percentage; escalate fungicide if >15% coverage
  2. Continue bagging on any unbagged remaining fruits; inspect bags for damage
  3. Harvest assessment — check colour and firmness of ambe bahar fruits; harvest at first colour break
  4. Break soil crust on container guava — gentle chopstick aeration of top 2–3 cm
  5. Second fungicide alternation — Mancozeb this week if copper was applied in Week 2
  6. Do not apply nitrogen — continued prohibition; soft growth = maximum anthracnose susceptibility

Guava Week 3 Problem Triage Table (Jun 21 – Jul 4)

ProblemWeek 3 SignalImmediate Action
Anthracnose advancingSpots on 3rd–4th leaf; tip die-back starting5-day spray cycle; remove infected tips; open canopy
Severe anthracnose>30% leaf loss; multiple dead tipsEmergency pruning to healthy wood; copper spray on wounds
Fruit rot inside bagBag discolouration; leaking juiceRemove affected fruits; inspect remaining bags; replace damaged bags
Fruit fly in unbagged fruitEntry holes; maggots inside; premature dropDestroy fallen fruit immediately; bag any remaining unbagge fruit
Fusarium wilt (branch)Branch wilt despite normal rain; brown vascular ringRemove branch; no chemical cure; feed potassium; monitor adjacent branches
Waterlogging (pot)Yellowing leaves; soft soil not drying in 48hDrill extra drainage holes or repot; reduce water; elevate on bricks

Realistic Week 3 Guava Expectations

For hasta bahar trees: New growth from June pruning is 8–15 cm; tips are green and firm; anthracnose spray routine is holding disease below 15% leaf coverage. No fruit on the tree — this is correct for the October–December cycle.

For ambe bahar trees: Some fruits harvested or harvesting this week; remaining bagged fruits holding firm with no rot; tree beginning the post-harvest recovery phase.

Week 3 honest note: Week 3 guava management is primarily about locking in the gains from Weeks 1 and 2. The anthracnose spray routine, fruit bagging, and drainage discipline established in Week 2 need to continue for another 2 full weeks before the disease pressure begins to ease. Gardeners who skip the Week 3 fungicide application — assuming the worst is over — often see a flare-up in Week 4 that undoes all the earlier work.

Guava (Amrood) Monsoon Week 4 Checkpoint (Jul 5 – Jul 18)

Monsoon Week 4 (July 5 – July 18) is the inflection point for guava in the Indian monsoon calendar — the fortnight that separates the October harvesters from the ones who will struggle to complete a fruit cycle. By Week 4, the monsoon has been running for 5–7 weeks across India. For hasta bahar (October–December cropping) trees, Week 4 is when the new vegetative growth initiated post-pruning transitions from soft extension shoots to the hardening framework that will carry the October flower flush. For ambe bahar trees, Week 4 is post-harvest consolidation: managing the disease load left behind after the July fruit cycle and preparing the tree for the flush that will carry winter fruit.

Guava Status by Stage — Week 4 Reality Check

Hasta bahar trees (pruned April–May for October flowering): By Week 4, these trees have been pushing new growth for 6–8 weeks. The new shoots should now be 30–60 cm long and beginning to transition from the soft, pale-green extension phase to the intermediate hardening phase — stems changing from bright green to a slightly darker, firmer green at their base. Week 4 critical observation: Are the shoot tips still actively extending, or have they begun to produce shorter internodes? Shortened internodes at tips indicate the transition to the pre-flowering phase is beginning — this is exactly on schedule for October flowering.

Ambe bahar trees (post-harvest consolidation): Trees that finished their June–July crop are now in recovery mode. Week 4 is when the post-harvest flush should be 4–8 weeks old and completing the transition from the soft extension phase (Week 2) through the hardening phase (Week 3) toward the pre-flowering stage. The question for ambe bahar trees in Week 4: is the flush growth clean and vigorous, or is it being suppressed by anthracnose carryover from the wet season?

Container guava (any stage): Container guava in Week 4 faces the compounding challenge of root confinement plus sustained monsoon moisture. Check whether the container feels very heavy — this indicates root saturation. If roots are circling at the drainage holes, pot up now before the October flowering window closes.

Week 4 Anthracnose Management — The Critical Fortnight

Colletotrichum gloeosporioides (guava anthracnose) reaches its peak spore load in Week 4 of the Indian monsoon. The disease pattern: new shoot tips show browning and tip die-back; leaves develop irregular brown patches with dark borders; fruit (if present) develops sunken dark spots. Week 4 anthracnose control determines the quality of the October–November fruit set.

Week 4 anthracnose protocol:

  1. Copper oxychloride 50 WP (3g/L): Apply to all leaf surfaces (upper and lower) and young stems — the Week 4 application is the most important of the monsoon spray cycle
  2. Carbendazim 50 WP (1g/L): Alternate with copper on a 7-day cycle if disease is advancing; carbendazim controls the fungal mycelium inside infected tissue
  3. Remove tip die-back actively: Cut any shoot showing brown tip die-back to 5 cm below the visibly brown tissue; this removes the primary spore reservoir
  4. Spray timing: Apply in the late afternoon on a day with no rain forecast for 4+ hours; morning spray on heavily dewed plants is ineffective — diluted fungicide does not adhere

Week 4 — Fruit Fly and Bagging Follow-Through

For ambe bahar trees that still have fruit on the tree in Week 4, fruit fly (Bactrocera dorsalis) pressure remains high. Any bagged fruit from Week 2–3 should now be inspected:

  • Remove bags from fruits that are approaching colour change — ripening bagged fruits must be picked promptly or the bag becomes a humidity trap
  • Re-bag any fruits where the bag has torn or slipped
  • Collect and destroy all fallen fruits within 24 hours — fallen fruit in Week 4 is the primary Bactrocera population reservoir that will damage the October–November crop

Methyl eugenol traps: If traps were placed in Weeks 1–3, replace the lure pads now — trap attractants lose effectiveness after 4–6 weeks in monsoon humidity.

Week 4 Action Checklist

  1. Copper oxychloride spray on all surfaces — the Week 4 spray is the most critical of the season
  2. Cut all tip die-back to clean wood; remove from the garden
  3. Fruit fly trap maintenance: Replace lure pads; check and empty catch
  4. Container root check: If roots at drainage holes, pot up to the next size now
  5. Shoot tip observation: Note whether hasta bahar shoot tips are shortening internodes — this is the first sign of pre-flowering transition
  6. No nitrogen fertiliser: Week 4 nitrogen extends vegetative growth and delays the October flowering trigger

Guava Week 4 Problem Triage Table (Jul 5 – Jul 18)

ProblemWeek 4 SignalImmediate Action
Shoot tip browning and die-backAnthracnose advancing onto new growthCut to clean wood; copper oxychloride 3g/L spray; 7-day repeat
Leaves with brown patches and dark bordersAnthracnose on mature leavesCarbendazim 1g/L spray; remove most-affected leaves
New shoot tips short-internoded and slightly curledNormal — pre-flowering transition beginningNo action — this is on-schedule for October flowering
No new shoot extension in 10+ daysGrowth arrest — possible root stressCheck drainage; probe root zone; potassium feed if drainage is sound
Fruit fly catch in traps exceeding 50/dayHigh orchard population — August crop at riskReplace lure; increase protein bait trap density; destroy all fallen fruit
Root-circling visible at drainage holesRoot-bound containerPot up immediately — this is the last window before the October flowering cycle
Branch wilt despite moist soilFusarium wilt — vascular blockageNo cure; remove affected branch; apply copper paste to wound; monitor adjacent branches

Realistic Week 4 Guava Expectations

Hasta bahar tree in Week 4: 30–60 cm of new vegetative growth on each pruned framework branch; shoots transitioning from soft to firm at the base; no significant anthracnose despite weekly spray; no fruit on tree. October flowering on track if spray discipline held through Weeks 1–4.

Ambe bahar tree in Week 4: Post-harvest flush 4–8 weeks old; disease load managed with copper; remaining July fruit at or near harvest; tree consolidating toward the next vegetative–flowering cycle.

Week 4 honest note: The guava gardener who applied copper spray every 7 days through Weeks 1–4 has a tree with a full framework of clean vegetative wood — this is the material that will produce October–December fruit. The gardener who skipped even two Week 3–4 spray cycles has a tree with visible anthracnose on the new flush — and that fungal load is already inside the tissue that will become the October flowering wood. Spray discipline through Week 4 is the single variable that most determines October guava quality. Nothing else in Week 4 comes close.

Guava (Amrood) Monsoon Week 5 Checkpoint (Jul 19 – Aug 1)

Monsoon Week 5 (July 19 – August 1) is the guava's most critical fortnight of the entire monsoon season — the point where the vegetative framework that will carry October–December fruit either consolidates into firm, disease-resistant wood or becomes permanently compromised by unchecked anthracnose. Guava (Psidium guajava) is a tree that performs well in Indian monsoon conditions when managed correctly; it is not a fragile plant. But the disease arithmetic of Week 5 is unforgiving: anthracnose that has been building since Week 1 reaches its highest spore density during July 19 – August 1, and copper spray that was applied correctly in Weeks 2–4 is beginning to degrade. Week 5 management is therefore primarily about maintaining the fungicide barrier for one more fortnight until the monsoon begins its gradual withdrawal.

Guava Status by Type — Week 5 Reality Check

Hasta bahar trees (October–December cropping target): These trees were hard-pruned before the monsoon to initiate the vegetative flush that will produce the October flowers. By Week 5, a healthy hasta bahar tree has 60–90 cm of new vegetative growth on its pruned framework branches — growth that has been progressing through the soft extension phase (Weeks 1–3) and is now entering the wood-hardening phase. Week 5 assessment: Are the new shoot tips forming shorter internodes and beginning to turn from bright green to darker green at the base? If yes, the transition toward pre-flowering is on schedule. If shoots are still extending rapidly (long internodes, soft growth), the October flowering date may slip.

Ambe bahar trees (mid-monsoon crop or completed harvest): Trees that carried a June–July fruit crop are now post-harvest. The post-harvest vegetative flush is 6–10 weeks old. Week 5 for ambe bahar trees is about protecting this post-harvest growth from anthracnose carryover — the disease that damaged fruit in the monsoon crop is still active and will attack the new vegetative flush if copper spray has lapsed.

Container guava (pot-grown): Container guava in Week 5 faces the twin challenge of root restriction and sustained monsoon moisture. If the container is very heavy and roots are beginning to circle at drainage holes, this is the last acceptable window to pot up before the October flowering window closes. Do it in the first week of August — after that, repotting stress will interfere with flower initiation.

Week 5 Anthracnose — The Make-or-Break Spray

Week 5 is the most important single copper spray of the monsoon cycle. The reasoning: Weeks 1–4 copper sprays protect the wood that was growing at that time. Week 5 copper spray protects the wood that will produce October flowers. Missing the Week 5 spray is therefore the single error with the longest-delayed consequence — the anthracnose that enters the new shoots in Week 5 will erupt as flower-blight in February 2027.

Week 5 copper spray protocol:

  • Product: Copper oxychloride 50 WP at 3g/L or Bordeaux mixture 1%
  • Coverage: All leaf surfaces (upper and lower), new shoots, and stem junction areas
  • Timing: Apply early morning on a day when no rain is forecast for 4+ hours
  • Application volume: Thorough — leaves should be visibly wet, not just misted
  • Next spray: 7–10 days after Week 5 application (approximately Aug 2–4)

If Sigatoka/anthracnose is already on new leaves (Weeks 4–5 growth):

  • Remove all visibly infected new leaves (do not compost)
  • Switch to propiconazole 0.1% for one spray cycle, then return to copper — propiconazole is systemic and penetrates infected tissue; copper is preventive only

Week 5 Fruit Fly — Residual Pressure on Late-Season Fruit

For ambe bahar trees that still have fruit on the tree in Week 5, Bactrocera dorsalis (fruit fly) pressure remains significant. Any bagged fruit from previous weeks should now be at or near harvest.

Week 5 fruit fly management:

  • Collect all fallen fruits daily — fallen fruit is the primary larval reservoir that will produce the adult population that damages October hasta bahar crop
  • Methyl eugenol lure traps should still be active; replace lure if >6 weeks old
  • For the hasta bahar crop: the fruit fly population that peaks in Week 5 will produce the adults that will attack October–November fruit; methyl eugenol trap continuity through August is the most effective October protection available

Week 5 Action Checklist

  1. Copper spray (highest priority): Apply to all foliage and shoots — this is the most consequential Week 5 action for October fruit quality
  2. Shoot assessment (hasta bahar): Check for transition from extension to hardening — shorter internodes, darker stem colour at base
  3. Disease check on new growth: Any anthracnose on new leaves must be removed before the copper spray, not after
  4. Fallen fruit collection (daily): Remove all dropped fruit within 24 hours
  5. Methyl eugenol trap service: Check trap lure age; replace if 6+ weeks old
  6. Container check: If roots are circling drainage holes and pot is very heavy, schedule pot-up for first week of August

Guava Week 5 Problem Triage Table (Jul 19 – Aug 1)

ProblemWeek 5 SignalImmediate Action
Anthracnose on new shootsBrown tip die-back with dark-bordered lesions on new growthRemove affected tissue; propiconazole 0.1% spray; follow with copper in 7 days
Shoot tip blightingMultiple shoot tips browning simultaneouslyHigh anthracnose load — systemic propiconazole spray across all canopy; assess spray interval history
Fruit fly damage in residual fruitPremature fruit drop with maggots visible when cutCollect and destroy all dropped fruit; do not compost; increase trap density
Container root-boundRoots circling drainage holes; pot very heavySchedule pot-up to next size in first week of August; do not delay beyond Aug 7
Shoot extension stallingNew growth tips not extending despite good conditionsPossible early flower initiation beginning — positive sign for October crop; do not fertilise
Leaf scorch on sun-exposed sidesBrown crisp edges on outer canopy leavesSpray drift from adjacent areas or magnesium deficiency; foliar MgSO4 1g/L; not anthracnose

Realistic Week 5 Guava Expectations

Hasta bahar tree in Week 5: 60–90 cm of new vegetative growth per framework branch; growth transitioning from rapid extension to early hardening; anthracnose present only on the oldest 2–3 leaves; copper spray completed at Week 5 start; no fruit on tree.

Ambe bahar tree in Week 5: Post-harvest vegetative flush 6–10 weeks old; new growth clean and vigorous if spray discipline held; residual fruit at or near harvest; daily fallen fruit collection ongoing.

Week 5 honest note: Week 5 guava management asks the gardener to do one thing — apply copper spray before Week 5 ends — and to do it correctly: enough volume, right concentration, on both leaf surfaces, on a dry morning. Every other Week 5 action is secondary to that spray. The October guava harvest is built in Week 5.

Guava (Amrood) Monsoon Week 6 Checkpoint (Aug 2 – Aug 15)

Monsoon Week 6 (August 2 – August 15) is the pre-flowering consolidation fortnight for guava — the two weeks when the hasta bahar tree's new vegetative framework is hardening into the wood that will carry October–November flowers, and when the anthracnose pressure that has been building since June reaches its final sustained intensity before the monsoon begins to ease. Week 6 is positioned at the exact crossover between the monsoon's peak disease pressure and the beginning of the tree's pre-flowering preparation. Get both of these right — disease control and vegetative maturity — and the October harvest compounds everything invested in Weeks 1–5.

Week 6 — Hasta Bahar Status

The hasta bahar (September–October fruit cycle) tree in Week 6: These trees were hard-pruned in February–March to initiate the vegetative flush that will flower in September–October. By Week 6 (August 2–15), the new framework growth is now 12–14 weeks old and should be transitioning from the rapid extension phase into the slower, hardening phase.

Expected Week 6 vegetative state:

  • New shoot growth: 60–100 cm of extension from the pruned branch tips
  • Shoot colour transition: the actively growing shoot tips are still bright green, but the lower 40–60% of new growth has turned from bright green to darker green and is beginning to show the typical grey-green surface texture of mature guava wood
  • Internode length: shortening. Actively extending shoots have long internodes (3–5 cm); pre-flowering shoots have internodes shortening to 1–2 cm as the shoot tip transitions from vegetative to reproductive mode
  • Early flower bud indicators: on the most advanced hasta bahar trees in North India, the very first flower bud clusters may appear at the axils of the uppermost fully expanded leaf pairs by the end of Week 6

Week 6 hasta bahar decision point: Is your tree on schedule for October flowering? The indicator is internode length on the current year's growth. If the uppermost 10 cm of shoot growth has internodes of 3–5 cm: the shoot is still vegetatively active — October flowering is on schedule but not imminent. If the uppermost 10 cm has internodes of 1–2 cm: the shoot is transitioning — September bud initiation is possible.

Week 6 — Ambe Bahar Post-Harvest Care

Post-harvest ambe bahar trees (those that completed their monsoon crop in July–early August) are now in their most critical vegetative window. The post-harvest vegetative flush is 8–12 weeks old; the disease history of the past 8 weeks has either protected this new growth (copper spray discipline) or compromised it (Alternaria carryover on the new flush).

Week 6 ambe bahar assessment:

  • If the post-harvest vegetative flush is clean, dark green, and showing pre-flowering internode shortening: the tree is on schedule for a December–January fruit cycle — no action needed beyond continuing copper spray
  • If the new flush shows Alternaria spotting or anthracnose: this is the last opportunity to clean the tree before it enters reproductive mode; apply copper oxychloride 3g/L + mancozeb 2.5g/L combined spray; remove all affected leaves

Week 6 — Anthracnose Final Management Push

August 2–15 is typically the last fortnight of high anthracnose pressure before the monsoon begins its retreat. After mid-August, declining rainfall frequency and increasing UV (as monsoon cloud cover thins) dramatically reduce new anthracnose infection events. Week 6 copper spray is therefore the most important spray of the season — it bridges the monsoon's final high-pressure weeks and positions the tree to enter September clean.

Week 6 anthracnose spray protocol:

  • Target: All new vegetative growth surfaces — both leaf sides, shoot stems, any developing flower buds if visible
  • Product: Copper oxychloride 3g/L (higher concentration than earlier weeks because the pre-flowering wood is the priority and the target surface area is larger)
  • Timing: Apply on the first dry morning of Week 6 (August 2–4 if possible); avoid applying within 48 hours of rain forecast
  • Alternative rotation: If copper oxychloride has been used for 3+ consecutive applications, switch to copper hydroxide 2.5g/L or mancozeb 2.5g/L to prevent copper resistance in the pathogen population

Key Week 6 anthracnose facts:

  • The October guava fruit begins its development on the September–October flowers, which form on the shoots that are hardening right now
  • Any shoot infected with anthracnose in Week 6 has a compromised vascular system; the flowers that form on that shoot in September will have reduced fruit set and higher post-set drop
  • Clean shoots in Week 6 = reliable fruit set in September = heavy October harvest

Week 6 — Fruit Fly Trap Maintenance

The methyl eugenol + malathion traps set in Weeks 3–5 continue to be essential in Week 6. The adult fruit fly population that attacks October–November guavas is determined by the trap success in August. Every trap week in August reduces the October fruit fly emergence population.

Week 6 trap check:

  • Inspect trap liquid level — replenish to half-full if below 30% volume
  • Replace methyl eugenol lure if more than 4 weeks old
  • Count catch — if catch has dropped significantly from Week 5, check that the lure is still active (smell the trap liquid — fresh methyl eugenol has a strong floral odour)
  • Traps should remain active through September

Week 6 — Container Guava

Week 6 is critical for container guava trees:

10–15 gallon containers: Trees should be on their normal weekly watering schedule. The consistent moisture of Week 6 (less rain than peak monsoon but still humid) is excellent for root development. Check that drainage holes are not blocked — guava in waterlogged container soil loses root function within 72 hours.

Hasta bahar container trees: If the tree has been fertilised correctly through the season (monthly phosphorus applications), Week 6 is the window to make the final pre-flowering potassium application — MOP (muriate of potash) 10g per container, dissolved in the watering. Potassium firms the developing shoots and supports flower bud differentiation.

Week 6 Action Checklist

  1. Copper spray — Priority 1: Apply copper oxychloride 3g/L on the first dry morning of Week 6; this is the most consequential spray of the season
  2. Shoot maturity assessment: Check internode length on the uppermost shoot growth; note whether the tree is still in active extension or beginning pre-flowering shortening
  3. Trap maintenance: Check and replenish methyl eugenol fruit fly traps
  4. Ambe bahar post-harvest flush check: If any Alternaria or anthracnose present, apply combined copper + mancozeb spray this week
  5. Container potassium application: MOP 10g per pot for hasta bahar containers
  6. Clear drainage holes: After any heavy Week 6 rain, verify drainage function on all containers

Guava Week 6 Problem Triage Table (Aug 2 – Aug 15)

ProblemWeek 6 SignalImmediate Action
Anthracnose on new shoot tipsDark water-soaked lesions on shoot tips; tips collapsingCopper oxychloride 3g/L spray; remove and bin all affected shoot tips; fumigate pruning tool with alcohol
Alternaria on vegetative flushBrown angular lesions on leaves of new growthMancozeb 2.5g/L spray; remove affected leaves; increase spacing for airflow
Root rot (container tree)Wilting despite moist soil; leaves dull; container unusually heavyCheck drainage; unpot if necessary; assess root health; repot in fresh mix if root damage found
No flowering bud initiation on hastabh ahar treeShoots still actively extending with no internode shorteningNormal for early-Week 6 trees; if no shortening by Week 7 end, check for excessive nitrogen from late fertilising
Fruit fly catch dropping in trapsTrap catch below 10 flies/week vs. earlier high catchReplace methyl eugenol lure; check trap integrity; reposition if nearby rain has diluted
Scale insects on new growthBrown or white fixed bumps on new shoots and stemsImidacloprid 1ml/L drench to soil; neem oil spray on shoot surfaces; scale is most damaging on pre-flowering wood

Realistic Week 6 Guava Expectations

Hasta bahar tree in Week 6: 60–100 cm of new vegetative growth per framework branch; lower 60% of new growth showing mature dark green colour; uppermost shoot internodes beginning to shorten; no active anthracnose on new growth (copper spray protected); one copper spray completed this week.

Ambe bahar tree in Week 6: Post-harvest vegetative flush 8–12 weeks old; clean growth if spray discipline held; any residual anthracnose addressed with combined spray.

Container tree in Week 6: Root system healthy; drainage functioning; potassium application completed; pre-flowering vegetative transition beginning.

Week 6 honest note: Week 6 guava is the last week the gardener has to influence the October harvest quality in a meaningful way through disease management. Every Week 6 copper spray protects the shoot surfaces that will form the October fruit. After Week 6, the tree moves into its September flowering phase and the only influences remaining are thinning (which affects individual fruit size) and irrigation (which affects fruit development). Week 6 is the last fungicide window that matters. Apply the spray. Do it correctly. Then stand back and let the tree bloom.

Guava (Amrood) Monsoon Week 7 Checkpoint (Aug 16 – Aug 31)

Monsoon Week 7 (August 16 – August 31) is the transition fortnight for guava — the two weeks when the monsoon begins its first perceptible retreat, the hasta bahar tree's pre-flowering shoot hardening nears completion, and the gardener's management role shifts from disease defence to harvest preparation. Week 7 is the most consequential fortnight of the Indian guava growing calendar not because of what requires doing, but because of what is beginning to happen inside the tree without external intervention. The shoot tips are differentiating flower buds. The root system — protected through seven fortnights of copper spray and drainage management — is loading the tree with the energy reserves that will power a September–October flowering display. Week 7 is the week the investment of Weeks 1–6 starts to become visible.

Week 7 — Hasta Bahar: Flower Bud Differentiation

The most important event of Week 7 is invisible: The terminal and subterminal shoot buds of the hasta bahar tree are transitioning from vegetative meristems to reproductive meristems. This process — flower bud differentiation — is triggered by the combination of shortening days (post-August-16 daylength drop), cooling nights (August temperature reduction from monsoon peak), and the plant's carbohydrate reserves, which have been building through the vegetative phase.

Week 7 visual indicators of flower bud differentiation:

  • Shoot tips: the growing tip becomes slightly swollen or bulbous compared to the slender profile of the actively vegetating tip
  • Internode pattern: a cluster of very short internodes at the shoot tip, with leaves closer together than at any point in the vegetative season
  • Leaf character at the tip: smaller, slightly more yellow-green, and held slightly more horizontal than the older leaves on the same shoot
  • Visible buds: in some fast-differentiating hasta bahar trees, the first visible flower bud clusters may appear at the tip axils in the second half of Week 7

What NOT to do during bud differentiation:

  • Do not prune any shoot tips — this removes the differentiating meristems and delays flowering by 4–6 weeks
  • Do not apply high-nitrogen fertiliser — late nitrogen pushes vegetative growth and suppresses flower bud initiation; if the tree receives nitrogen in Week 7, flowering may be delayed or flower count reduced
  • Do not apply copper spray to shoot tips directly — while the Week 6 spray was essential, direct copper contact with differentiating flower buds can suppress bud development; if you missed the Week 6 spray, apply now but avoid heavy spray concentration on shoot tips

Week 7 — Anthracnose: End of High-Pressure Season

August 16 marks the statistical beginning of the monsoon's retreat in North India. Rainfall frequency drops, UV intensity increases as cloud cover thins, and the relative humidity begins its slow descent from the monsoon peak. For Colletotrichum gloeosporioides (guava anthracnose), these changes are unfavourable — spore germination requires high humidity, and the improving conditions of late August reduce new infection events dramatically.

Week 7 anthracnose status:

  • If copper spray has been applied through Weeks 1–6: existing infections are controlled; new infection risk is declining; no additional spray required unless heavy rain resumes
  • If copper spray was missed in Week 6: apply a final copper spray in Week 7, but do so carefully (avoid heavy spray on shoot tips where flower bud differentiation is occurring; spray the main framework branches and older leaves)
  • Existing lesions on old leaves: do not need treatment; as the monsoon recedes, the lesions dry out and cease to expand; remove affected leaves at your next pruning session in September

Week 7 copper spray decision:

  • Week 6 spray applied, no rain since: No spray needed this week — the Week 6 application is still providing protection
  • Week 6 spray applied, heavy rain since: Apply a light copper hydroxide 2g/L spray on the framework branches only — do not concentrate on shoot tips
  • Week 6 spray missed: Apply copper oxychloride 3g/L now on framework branches; note for next season that Week 6 is the non-negotiable spray week

Week 7 — Fruit Fly: Late Monsoon Peak

Guava fruit fly (Bactrocera dorsalis) populations reach their second peak in August–September as the first hasta bahar fruits from the previous season's trees enter colour-break (early maturity). Week 7 is a critical period for trap maintenance.

Week 7 fruit fly priorities:

  • Methyl eugenol traps must remain active through the end of September — the adults flying in Week 7 are the generation that will attack the hasta bahar fruits in October–November
  • If any hasta bahar or ambe bahar tree is carrying residual ripening fruit from earlier in the season, bag all remaining fruit immediately — unbagged fruit in Week 7 will be infested within days of colour-break
  • Clean up all fallen fruit daily — fallen guava at monsoon's end is the highest-risk fruit fly breeding site of the year

Week 7 — Container Guava: Pre-Flowering Care Protocol

Container guava trees in Week 7 require specific attention as they approach the September flowering phase:

Week 7 container care:

  • Watering adjustment: As monsoon rainfall decreases in Week 7, begin transitioning back to supplemental watering. Check soil moisture every 2–3 days; water when the top 2 inches of soil are dry.
  • Light check: As monsoon cloud cover begins to thin, ensure the container tree is positioned for maximum post-monsoon sun. The September flowering benefits from direct sun.
  • Support adjustment: Trees that have grown 60–100 cm of new vegetative growth since February pruning may be top-heavy. Check staking and adjust; a heavily branched hasta bahar tree in an August storm is at risk of falling.
  • No pruning of tips: The shoot tips are in bud differentiation; do not touch them.

Week 7 Action Checklist

  1. Do NOT prune shoot tips — bud differentiation is occurring; tip removal delays flowering by 4–6 weeks
  2. Do NOT apply nitrogen fertiliser — late nitrogen suppresses flower bud initiation; no nitrogen until after the September flowers have set into fruit
  3. Copper spray decision: If Week 6 spray was applied and no heavy rain since — skip this week. If Week 6 was missed — apply now on framework branches (avoid tips)
  4. Trap maintenance: Check and replenish methyl eugenol traps; they must remain active through September
  5. Bagging residual fruit: Any ripening ambe bahar fruit must be individually bagged now; delay = fruit fly infestation
  6. Container watering transition: Begin monitoring soil moisture and supplementing as monsoon rainfall decreases
  7. Structural support check: Verify stakes and ties on all trees — the new vegetative growth adds significant weight to the canopy

Guava Week 7 Problem Triage Table (Aug 16 – Aug 31)

ProblemWeek 7 SignalImmediate Action
No visible bud differentiation by end of Week 7Shoot tips still actively extending with long internodes; no swelling or shorteningMay be a late-differentiating ecotype; check for late nitrogen application (which delays flowering); do not prune; wait through Week 8
Anthracnose resurging after rainNew dark lesions on framework branches after August rain eventCopper hydroxide 2g/L on framework branches; avoid spray on shoot tips; clear affected leaves
Fruit fly damage on ripening fruitMaggots found inside any ripening ambe bahar fruitRemove all affected fruit; bag all remaining fruit on the tree immediately; increase trap density nearby
Scale insects on pre-flowering shootsFixed brown or white bumps on the shoot framework near budsNeem oil 5ml/L spray (avoid direct contact with developing buds); if heavy scale: imidacloprid soil drench
Container tree leaf dropSignificant leaf loss on container tree after monsoon rain pattern changeNormal monsoon-to-dry-season leaf shedding; do not water more; check drainage; reduce watering as rainfall decreases
Storm damage to branchesBranch split or loss from August wind eventClean-cut the broken branch back to a healthy lateral; apply wound paste (copper or lime-sulphur); the tree will produce replacement growth from the remaining shoots
Entire tree not yet flowering despite October targetFirst week of September arriving with no flower buds visibleExamine shoot tip closely with magnification — buds may be present but small; if truly absent, suspect late nitrogen or excessive pruning earlier in the season; delay is likely not avoidable this cycle

Realistic Week 7 Guava Expectations

Hasta bahar tree in Week 7: Shoot extension has stopped on most branches; shoot tips swollen or showing first visible bud clusters; internode length at shoot tips ≤1 cm; no new anthracnose on protected wood; mature grey-green colour on all 2026 framework growth. If you press a shoot tip gently between thumb and finger, it should feel slightly harder than in Week 5 — the wood is lignifying.

Ambe bahar tree in Week 7: Second crop (December–January) vegetative flush is 10–14 weeks old and similarly transitioning; any fruit from the first crop should be harvested, bagged, or removed.

Container tree in Week 7: Transitioning from monsoon-rainfall dependency to grower-controlled irrigation; shoot tips in bud differentiation; no late nitrogen applied.

Week 7 honest note: Week 7 guava rewards restraint. Every action the gardener must not take this week — do not prune, do not fertilise with nitrogen, do not spray tips aggressively — requires more discipline than action. The tree is doing the work. Inside those swelling shoot tips, the meristems that were vegetating since March are becoming the flower buds that will open in September and produce October fruit. The entire season — seven fortnights of copper spray, drainage management, fruit fly trapping, and patient observation — has been building toward this invisible Week 7 event. The gardener who reaches Week 7 without having over-pruned, over-fertilised, or over-intervened will see September flowers. The gardener who kept cutting tips or applying urea through August will wait another four months.

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