A common biocontrol agent for the control of plant diseases is
A
Trichoderma
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B
Baculovirus
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C
Bacillus thuringiensis
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D
Glomus
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Solution
The correct option is ATrichoderma
Trichoderma species of fungi are commonly found in the soil. They form symbiotic associations with plants. They do not cause any infection or disease in plants but suppress the infection by other species of fungus.
The common species of Trichoderma are T. herbarium, T. viridae and T. hamatum.
These species are popular biological agents to protect crops against plant pathogens, all over the world.
They are commonly used for root infections but can also be useful in preventing foliar disease.