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

This option is correct because Agrobacterium radiobacter is an effective, commercially applied, biological control agent for the prevention of crown gall disease.