Trichoderma harzianum has proved a useful microorganism for
(a) bioremediation of contaminated soils
(b) reclamation of wastelands
(c) gene transfer in higher plants
(d) biological control of soil-borne plant pathogens
Correct option (d) biological control of soil-borne plant pathogens
Explanation:
Some common fungal inhabitants of scroll help to combat **** raised by soil bonnie plant pathogens. This includes Trichoderma harzianum which are found in damp cells. They have an inhibitory effect ort the growth of the mycelium of Pythium. They serve to suppress fungi causing damping **** of the seedlings and thereby influence favourably the growth of crops.
