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प्रश्न
Give the names of ‘two’ insect-resistant crop varieties.
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उत्तर
Pusa Gaurav, Pusa Sawni, and Pusa A-4 are insect-resistant crop varieties.
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संबंधित प्रश्न
In an agricultural field there is a prevalence of the following organisms and crop diseases which are affecting the crop yield badly:
- White rust
- Leaf and stripe rust
- Black rot
- Jussids
Recommend the varieties of crops the farmers should grow to get rid of the existing problem and thus improve the crop yield.
Define Osmotic pressure.
What are components of water potential? Explain
Describe the mass flow hypothesis for translocation of organic solutes (food) in plants.
What is Biofortification? Explain selective breeding with suitable example.
Give an account of mutation breeding with examples.
While studying the history of the domestication of various cultivated plants _______ were recognized earlier.
Importing better varieties and plants from outside and acclimatizing them to the local environment is called
The biggest constraint of plant breeding is:
Define the term ‘stress’ for plants. Discuss briefly the two types of stress encountered by plants.
