Multiple choice

Which of the following are used as biocontrol agents?

P. Agrobacterium radiobacter Q. Pythium insidiosum R. Sclerotinia sclerotiorum S. Trichoderma harzianum

  1. P and Q

  2. P and S

  3. Q and R

  4. Q and S

  5. R and S
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Agrobacterium radiobacter is an effective, commercially applied, biological control agent for the prevention of crown gall disease caused by many virulent strains of Agrobacterium tumefaciens and Agrobacterium rhizogenes. Trichoderma harzianum is an effective biocontrol agent against several fungal soil borne plant pathogens.

Keep practicing — related questions