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प्रश्न
Name the high-yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.
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उत्तर
Sonalika and Kalyansona were the high-yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.
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संबंधित प्रश्न
What is plant breeding?
How has mutation breeding helped in improving the production of mung bean crop?
What is emasculation?
Explain selective breeding. Give any 'two' examples and their nutrients obtained by selective breeding.
Importing better varieties and plants from outside and acclimatizing them to the local environment is called
Several South Indian states raise 2-3 crops of rice annually. The agronomic feature that makes this possible is because of ______.
Discuss the two main limitations of plant hybridization programme.
Bioforified crops are ______.
Match the following:
| Sr. No. | Column I | Column II | |
| (i) | Eutrophication | (a) | A soil erosion |
| (ii) | Biomagnification | (b) | carbon monoxide, methane |
| (iii) | Particulate pollutant | (c) | Prevention of extinction |
| (iv) | Conservation | (d) | Dust, smog |
| (v) | Gaseous pollutants | (e) | Accumulation of nonbiodegradable substances |
| (vi) | Deforestation | (f) | Death of aquatic ecosystem |
Given below are the steps involved in plant breeding program. Identify the correct sequence of these steps.
i. collection of variabilities
ii. hybridization
iii. evaluation and selection of parents
iv. testing, release and commercialization of new cultivars.
v. selection and testing of superior recombinants.
