Advertisements
Advertisements
प्रश्न
Write a short note on ‘Mutational breeding’.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Name the high-yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.
In Brassica (rapeseed, mustard)........................ varietys is resistant to Aphids.
(a) Pusa A-4
(b) Pusa Gaurav
(c) Pusa Sawni
(d) . Pusa Shubra
State one characteristic of millets that has been improved as a result of hybrid breeding so as to produce high yielding millet crops.
Describe briefly various steps of plant breeding methods.
Importing better varieties and plants from outside and acclimatizing them to the local environment is called
Smooth leaved and necterless cotton varieties are NOT affected by ____________.
Several South Indian states raise 2-3 crops of rice annually. The agronomic feature that makes this possible is because of ______.
Discuss natural selection and artificial selection. What are the implications of the latter on the process of evolution?
You are a Botanist working in the area of plant breeding. Describe the various steps that you will undertake to release a new variety.
Mutations are beneficial for plant breeding. Taking an example, justify the statement.
