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Question : How does a normal plant show resistance to insect and pest?

Answer»

Solution :Insect and pest RESISTANCE may due to morphological, biochemical or physiological CHARACTERS:
1. Hairy leaves resistant to insect pest
2. Solid stem in WHEAT -non-preference by stem sawfly
3. Smooth LEAVED and nectar less cotton varieties-do not attrect bollworms
4. High aspartic acid, Low nitrogen and Low sugar in maize-resistant to maize stem bores.


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