Question

The free-living fungus Trichoderma can be used for

• A. killing insects
• B. biological control of plant diseases
• C. controlling butterfly caterpillars
• D. producing antibiotics

Answer 1

The correct option is B biological control of plant diseases

Trichoderma is a free-living saprophytic fungi that most commonly lives on dead organic matter in the soil and rhizosphere (root ecosystem). It inhibits pathogens through release of gliotoxin, viridin, gliovirin and trichodermin like substances. They are effective biocontrol agents of several plant pathogens.