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Sheath Blight disease

Posted on : 26 Dec 2019

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  • Sheath blight is a fungal disease caused by Rhizoctonia solani.
  • It can cause up to 60 per cent reduction in rice yield.
  • Infected leaves senesce or dry out and die more rapidly. As a result, the leaf area of the canopy can significantly be reduced by the disease.
  • Sheath blight occurs in areas with high temperature (28−32°C), high levels of nitrogen fertilizer, and relative humidity of crop canopy from 85−100%.
  • Plants are more vulnerable to sheath blight during the rainy season.

Article Related Questions

  1. Consider the following statements regarding the Sheath Blight disease
    1.It is a bacterial disease affecting the yield of rice crop.
    2.Plants are more vulnerable to sheath blight during the summer season.
    Which of the above statements is/are incorrect?

  2. 1.1 only

    2.2 only

    3.Both 1 and 2

    4.Neither 1 nor 2

    Right Ans : Both 1 and 2

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