Which biocontrol agent in very common in root ecosystem & is effective against several plant pathogens.

A : Baculovirus are species specific. R : It is very common in root ecosystem and effective against several plant pathogens.

A : Baculovirus are species specific. R : It is very common in root ecosystem and effective against several plant pathogens. 1)If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1) 2) If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2). 3) If Assertion is true statement but Reason is false, then mark (3). 4) If both Assertion and Reason are false statements, then mark (4).

Select the correct option w.r.t. biocontrol agent which is effective against several plant pathogens.

Select the correct option w.r.t. biocontrol agent which is effective against several plant pathogens.

Assertion : Baculoviruses are biocontrol agents of genus Nucleopolyhedrovirus. Reason: They are effective against plant pathogens.

Assertion : Baculoviruses are biocontrol agents of genus nucleopolyhedrovirus. Reason : They are effective against plant pathogens

A cmmon biocontrol agent for the control of plant diseases is

Read the following statements and choose the correct option. Statement A: Trichoderma spaces are free living fungi that are very common in root ecosystems. Statement B: trichoderma spaces are effective biocontrol agent of several plants pathogens.