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प्रश्न
Write a short note on ‘Mutational breeding’.
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उत्तर
The breeding technique in which mutations are induced using mutagens and mutant organisms with the desired characters is known as mutational breeding. In plant breeding, this technique is employed to obtain resistant varieties of plants, e.g. moong beans to yellow mosaic virus and powdery mildew.
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संबंधित प्रश्न
How has the breeding programme helped in improving the public nutritional health? State two examples in support of your answer.
In Brassica (rapeseed, mustard)........................ varietys is resistant to Aphids.
(a) Pusa A-4
(b) Pusa Gaurav
(c) Pusa Sawni
(d) . Pusa Shubra
Give a reason for the following:
Bagging is essential in artificial hybridisation.
Give an account of mutation breeding with examples.
Explain the best-suited type followed by plant breeders at present?
Give any four advantages of mutation breeding.
Which one of the following pathogens causes cancer disease?
The biggest constraint of plant breeding is ______.
Match the columns-
| Column A | Column B | ||
| A. | Kalyan Sona | 1. | Rice |
| B. | Pusa sawani | 2. | Wheat |
| C. | IR - 8 | 3. | Okra |
Suggest some of the features of plants that will prevent insect and pest infestation
