NEET2019ZoologyMicrobes in Human WelfareActual
Select the correct group of biocontrol agents.
Options
- ABacillus thuringiensis, Tobacco mosaic virus, Aphids
- BTrichoderma, Baculovirus, Bacillus thuringiensis
- COscillatoria, Rhizobium, Trichoderma
- DNostoc, Azospirillium, Nucleopolyhedrovirus
Correct answer
B. Trichoderma, Baculovirus, Bacillus thuringiensis
Step-by-step solution
Trichoderma is an efficient biological mean for soil born plant disease management. It is a free-living fungus usually found in soil and root ecosystems. It is highly interactive in the root, soil, and foliar environments. Using mechanisms like competition, antibiosis, mycoparasitism, hyphal interactions, and enzyme secretion, it stunts growth, survival or infections developed by pathogens. Baculoviruses are pathogens which attack insects and other arthropods of very small size(less than a thousandth of a millimete