Which of the following can be used as a biocontrol agent in the treatment of plant disease?

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Lactobacillus

Trichoderma

Chlorella

Anabaena

answer is B.

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Detailed Solution

Trichoderma species are free-living fungi that are very common in the root ecosystems. They are effective biocontrol agents of several plant pathogens.

Lactobacillus - used for synthesis of curd.

Chlorella- Can be used as food.

Anabaena- It is a cyanobacteria which is very useful in fixing atmospheric nitrogen. It can be used to increase soil fertility. Hence, they are used as biofertilizers.

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