Select the correct group of biocontrol agents | vedclass

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(B) Biocontrol agents are organisms that are used to control plant diseases and pests. $1$. $Bacillus$ $thuringiensis$ $(Bt)$ is a bacterium used as a

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Trichoderma,Baculovirus,Bacillus thuringiensis

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(B) Biocontrol agents are organisms that are used to control plant diseases and pests. $1$. $Bacillus$ $thuringiensis$ $(Bt)$ is a bacterium used as a bio-insecticide to control butterfly caterpillars. $2$. $Trichoderma$ species are free-living fungi that are very common in the root ecosystems and are effective biocontrol agents of several plant pathogens. $3$. $Baculoviruses$ are pathogens that attack insects and other arthropods. The majority of $baculoviruses$ used as biological control agents are in the genus $Nucleopolyhedrovirus$. Therefore,the correct group of biocontrol agents is $Trichoderma$,$Baculovirus$,and $Bacillus$ $thuringiensis$.

Select the correct group of biocontrol agents.

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$A$: Baculoviruses are species-specific.
$R$: They are very common in root ecosystems and effective against several plant pathogens.

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