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Improvement in Food Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceImprovement in Food Resources5 Marks
Question
Discuss the various methods which are used to control plant diseases.
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Answer

Methods to control plant diseases:
  1. Seed treatment with Thiram 2.5g/ kg to prevent blast of rice.
  2. Spraying Bavistin at 10 days interval to prevent wheat rust.
  3. Spraying Dithane M45 at 2g/ l water at 10 days interval to prevent wheat rust.
  4. Avoid water logging for fungus diseases.
  5. Growing sorghum and pigeon pea mixed cropping to avoid stem rot.
  6. Spraying the crop with 0.2% Ziram and Maneb.

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