Select the correct group of bio-control agents.

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Oscillatoria, Rhizobium, Trichoderma

Bacillus thuringiensis,Tobacco mosaic virus, Aphids

Nostoc, Azospirillium, Nucleopolyhedrovirus

Trichoderma, Baculovirus, Bacillus thuringiensis

answer is C.

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Detailed Solution

A biological control being developed for use in the treatment of plant disease is the fungus Trichoderma. Trichoderma species are free-living fungi that are very common in the root ecosystems. They are effective biocontrol agents of several plant pathogens.

Baculoviruses are pathogens that attack insects and other arthropods. The majority of baculoviruses used as biological control agents are in the genus Nucleopolyhedrovirus. These viruses are excellent candidates for species-specific, narrow spectrum insecticidal applications

Bacillus thuringiensis (often written as Bt) are microbial biocontrol agents that can be introduced in order to control butterfly caterpillars.

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