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Management Practices for Control of Sheath Rot Disease

1. Removal of infected stubbles after harvest and optimum plant spacing are among the cultural practices that can reduce the disease.

2. Application of potash at tillering stage is also recommended. Foliar spray of calcium sulfate and zinc sulfate was found to control sheath rot.

3. At booting stage, seed treatment and foliar spraying with carbendazim or mancozeb was found to reduce sheath rot.

4. Foliar spraying with benomyl and copper oxychloride were also found to be effe


Symptoms of Sheath rot disease

1. Infection occurs on the uppermost leaf sheath enclosing the young panicles at late booting stage.

2. Initial symptoms are oblong or irregular spots or lesions, 0.5-1.5 cm long, with dark reddish brown margins and gray centre.

3. Lesions may also consist of diffuse reddish brown discoloration in the sheath.

4. Lesions enlarge and often coalesce and ma


Details of Sheath rot disease

Period of occurrence of Sheath rot disease: The disease is important during the heading towards the maturity stages of the rice crop. It usually attacks the uppermost leaf sheath that encloses the panicles and causes rotting of the panicles.

Conditions favourable for Sheath rot disease: High amount of nitrogen, high relative humidit

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