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How can crop varieties be made disease-resistant to overcome food crisis in India? Explain. Name one disease-resistant variety in India of:a. Wheat to leaf and stripe rust.b. Brassica to white rust. |
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Answer» Crop varieties can be made disease-resistant by conventional breeding methods or by mutation breeding. The germplasm is screened for resistance sources or mutations are introduced, followed by hybridisation of selected parents. The resulting hybrids are evaluated and tested. Finally, disease-resistant varieties are released. Disease-resistant variety of: a. Wheat to leaf and stripe rust—Himgiri. b. Brassica to white rust—Pusa swarnim. |
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