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Which of the following is not used as a biopesticide?

1. Trichoderma harzianum
2. Nuclear Polyhedrosis Virus (NPV)
3. Xanthomonas campestris
4. Bacillus thuringiensis

Correct answer: Xanthomonas campestris

Solution

Trichoderma harzianum, NPV, and Bacillus thuringiensis are all used in biocontrol/biopesticide formulations. Xanthomonas campestris is primarily known as a plant pathogen, so it is not used as a biopesticide.

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