As summer 🌞 ripens across the lush apple orchards of Himachal Pradesh 🍏, farmers are once again faced with a persistent seasonal challenge — Marssonina blotch. This fungal disease caused by Marssonina coronaria thrives in warm, humid June weather 🌧️, quietly threatening your apple crop.
🗓️ Why June Matters for
Marssonina Control
By June, apple trees are in full foliage
🌳, creating dense canopies that trap humidity — perfect conditions for
fungal growth. Marssonina symptoms start as tiny dark leaf spots ⚫ that spread
fast and cause premature defoliation, weakening the trees and reducing yield.
✅ Timely action now will save your crop
later.
🧹 Orchard Hygiene Comes First
Before spraying, start with simple,
effective orchard practices:
🧺 Remove fallen leaves and
pruned twigs
✂️ Prune trees to improve air circulation
🌿 Clear weeds and grass on the orchard floor to reduce humidity
👉 These steps help break the
disease cycle and improve spray effectiveness.
🧪 Fungicide Spray Schedule –
June 2025
A strategic spray plan can keep
Marssonina at bay. Here's what's recommended this June:
📅 Early June (1st Week)
💧 Tebconazole 6.7% + Captan 32% @
200g/200L or Metiram 55% + Pyraclostrobin 5% WG 200g/ 200L Controls both Alternaria
& Marssonina
💦 Ensure full leaf coverage but
not drip off situation, especially under leaves
📅 Mid-June (3rd Week)
🌱 Fluxapyroxad 250g/l +
Pyraclostrobin 250g/l 500SC @ 50 ml/ 200L or 🌾 Hexaconazole4% + Zineb
68% WP @ 500g/200L
✅Reliable, broad-spectrum protection against
premature leaf fall/ Alternaria leaf
💡 Choose based on availability and rotation plans
☔ Post-Rain Spray
🌧️ If it rains heavily, repeat spray
within 7–10 days
🕒 Rain accelerates spore spread and washes off fungicide
🔄 Fungicide Resistance Tips
Keep your sprays effective for the long
run:
🔁 Rotate between fungicide
groups
🧴 Use sticker-spreaders during rainy weather
📆 Stick to the schedule — even one missed spray can cost you
📲 Stay Connected with Advisory
Alerts
🗣️ Dr YS Parmar University of
Horticulture and Forestry, Nauni, Himachal Pradesh Horticulture Department and
local KVKs provide real-time spray and weather alerts 📢.
✅ To Sum It Up…
🎯 June
is the month to act decisively against Marssonina blotch.
With a blend of good orchard hygiene 🧹, timely sprays 💧, and
regular monitoring 🔍, your apple orchard will stay healthy and
productive this season.
Got questions or want a printable
version of spray schedule? 📄 Drop a comment below or contact your local
horticulture office!
Wishing you a disease-free, bountiful
apple season! 🍎🌳
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