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Why and when it occurs for Rice blast disease (Karapa)

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1. Infection is most likely after long periods of rain or high humidity with little or no wind movement and relatively warm nights (63-73°F or 18-23°C).

2. These conditions favor spore germination and formation. Ensuring that the plants are flooded and avoiding drought stress are effective in controlling the fungus.

File Courtesy: 
RARS, Karjat
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