Biology (NTSE/Olympiad)  

3. Improvement In Food Resources

Crop Variety Improvement

Crop Variety Improvement
This step is depends on a crop variety that can give a good yield.
A common way for getting a new variety having all desirable change is "Hybridization."
Crops for high yield, should have following characters -
(i) Resisstance for biotic & abiotic factors.
(ii) Resistance to disease & pests.
(iii) Desirable agronomic characters like tallness is desirable for fodder crops & dwarfness is desirable for cereals.

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