Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to
Insect pests
Fungal diseases
Plant nematodes
Insect predators
Bt cotton is resistant to cotton bollworm (Insect pest). cry I Ac and cry II Ab genes have been introduced in cotton to protect it from cotton bollworm. This makes Bt cotton as biopesticide.
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