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- The discoloured grains are found associated with fungi like Helminthosporium sp., Curvularia lunata, Saracladium oryzae, Alternaria tenuis, Fusarium moniliforme, Cephalosporium sp. and Phoma sp.
- The disease appears on the grains during the maturity stage when there is incessant rains.
- The disease is more severe during 2nd season.
- Seed treatment with Thiram or captan @ 1gm/Kg of seed.
- Spray Mancozeb @ 1 Kg or IBP 500 ml or Carbendazim @ 250 gm/ha at boot leaf stage.