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1. Cultural practices to control Rice Blast include the destruction of diseased crop residue, careful use of nitrogen fertilizer (high levels increase the likelihood of disease), the use of water seeding rather than drill seeding and ensuring that plants remain flooded all seem to help control the disease. Planting of resistant varieties of rice may also be helpful.
2. Chemical treatment: Treatment of Thirum @ 3 gm/kg and Pyrofuron @ 4 gm/kg of seed before sowing. Spraying of 1 ml. Edifonphos or 1 gm Carbendazim per litre at the time of occurrence of disease is recommended