Marssonina Leaf Blotch
मार्सोनिना लीफ ब्लॉच · Marssonina coronaria
About Marssonina Leaf Blotch
Marssonina Leaf Blotch causes dark brown to black spots on leaves, leading to premature defoliation and reduced fruit quality.
How to spot it
Dark brown spots (5-10mm) with concentric rings. Yellow halos and premature leaf drop.
Prevention
Remove fallen leaves. Improve air circulation. Avoid overhead irrigation.
Organic treatment
Apply copper-based fungicides. Use Trichoderma sprays. Apply compost tea.
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