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Tolerance refers to
ability of variety to produce greater yield than susceptible variety at same level of insect attack.
tolerant variety gives low yield than normal variety
Tolerant cultivars have lower recovery of damaged parts than susceptible one
Tolerant variety having lower yield
Answers (1)
As we learnt ,
Breeding methods for insect pest resistance -
Tolerance
- wherein
Tolerance refers to the ability of a variety to produce greater yield than susceptible variety at the same level of insect attack. In other words, a tolrant variety will give higher yield than susceptible one despite the insect attack. The tolerance is measured in terms of rejuvenation potential, healthy leaf growth, flowering compensation potential and superior plant vigour. Hybrid cottons, by virtue of their very high potential , show tolerance to insect pest. Tolerant cultivars have greater recovery of damaged parts than susceptible ones.
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