Question

Which is not used as a biopesticide?

• A. $Xanthomonascampestris$
• B. $Bacillusthuringiensis$
• C. $Trichodermaharzianum$
• D. $Nucleopolyhedrovirus$

Answer 1

The correct option is A $Xanthomonascampestris$

$Xanthomonascampestris$
Xanthomonas campestris is a pathogenic bacteria that causes black rot of crucifers.

Role of $Bacillusthuringiensis$ as biopesticide
Butterfly caterpillars are usually controlled by the use of an endotoxin produced by the organism, Bacillus thuringiensis.

Role of $Trichodermaharzianum$ as biopesticide
Trichoderma harzianum are soil-borne filamentous fungi which act against pathogens (for example, pathogenic fungi or nematode eggs) that attack plants, thus conferring disease resistance to the plants.

Role of $Nucleopolyhedrovirus$ as biopesticide
Nucleopolyhedrovirus are host-specific viruses and are used for the biological control of insects and other arthropods.
Final answer

(A) $Xanthomonascampestris$