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Flowering and after  management for rice blast

Chemical control of rice blast disease at flowering and after flowering:

1. A susceptible variety is grown in the field.


2. The crop has excessive growth and a dense canopy.

3. Leaf symptoms have been found in the field.

4. Disease is present in southern parts of the field.

5. Cool, rainy, or cloudy weather with high humidity and heavy dews is predicted during heading.

6. The development of this di


Pre-Tillering to Mid-Tillering management for rice blast


Chemicals to control rice blast disease at pre tillering to mid tillering stages are

1.At 5 % leaf area damage or 1 to 2 % neck infection spray Edifenphos, Carbendazim@0.1 % or Triclyclazole @ 1 gm /lit of water.  



Chemical control for Rice Blast

1. In endemic areas, adopt seed treatment with 

  • Pyroquilon 50 WP (Fongorene) @ 1 g/kg or 
  • Tricyclazole 75 WP (Beam or Sivic) @ 1 g/kg or 
  • Carbendazim 50 WP (Bavistin) @ 2g/kg
2. When the leaf blast symptoms appear in fields, spray 
  • Tricyclazole 75 WP (Beam or Sivic) @ 0.6 g/l or 
  • Ediphenph

Cultural Practices to control rice blast

1.Healthy seeds collected from disease free fields should be used.

2. Destruction of weeds, collateral hosts and crop residues can greatly reduce the primary inoculum and terminal disease severity.

3. Seedlings should be raised in the water covered seed beds. Seedlings raised in upland nurseries are more susceptible to blast even after they are transplanted. Rice varieti


Host plant resistance of Rice Blast

1. Developing rice varieties with highly effective and durable resistance to blast is the most promising choice.
2. Breeding for resistance to blast has, however, often been frustrated by the rapid adaptation of the pathogen population to resistant cultivars.

3.Many varieties have been reported to be resistant to this disease.

4. In endemic areas the varieties like Rasi, IR 64

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