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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
Name the high-yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.
Identify 'A', 'B', 'C' and 'D' in the given table.
| Crop | Variety | Resistance to disease |
| A | Himgiri | Leaf rust |
| Cauliflower | Pusa Shubhra | B |
| Brassica | Pusa Swarnim | C |
| Cowpea | D | Bacterial blight |
Plant breeding technique has helped sugar industry in North India. Explain how.
Give the names of ‘two’ insect-resistant crop varieties.
Explain selective breeding. Give any 'two' examples and their nutrients obtained by selective breeding.
Plants having similar genotypes produced by plant breeding are called
Sonora – 64 is a variety of ______.
The biggest constraint of plant breeding is:
The scientific process by which crop plants are enriched with certain desirable nutrients is called ______.
Name the improved characteristics of wheat that helped India to achieve green revolution.
