Which one of the following is an example of carrying out biological control of pests/diseases using microbes ?

Options

(a) Trichoderma sp. against certain plant pathogens
(b) Nucleopolyhedrovirus against white rust in Brassica
(c) Bt – cotton to increase cotton yield
(d) Lady bird beetle against aphids in mustard

Correct Answer:

Trichoderma sp. against certain plant pathogens

Explanation:

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