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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
Enumerate four objectives for improving the nutritional quality of different crops for the health benefits of the human population by the process of "Biofortification".
Briefly describe various steps involved in plant breeding.
Vijaya, Padma, Kanti and Jayanti are high-yielding varieties of ______.
Give a reason for the following:
Bagging is essential in artificial hybridisation.
Importing better varieties and plants from outside and acclimatizing them to the local environment is called
Column - I contains names of host plant while Column - II contains names of viral dieases. Find the correct option.
| Column-I | Column-II | ||
| (I) | Banana | (p) | little leaf |
| (II) | Sugarcane | (q) | bunchy top |
| (III) | Papaya | (r) | leaf roll |
| (IV) | Brinjal | (s) | grassy shoot |
| (t) | leaf curl |
Smooth leaved and necterless cotton varieties are NOT affected by ____________.
Which method of plant breeding has been used to develop a powdery mildew-resistant variety of moong beans?
Discuss the importance of testing of new plant varieties in a geographically vast country like India.
Give few examples of biofortified crops. What benefits do they offer to the society?
