Question

$Trichodermaharzianum$ is useful for

• A. Bioremediation of contaminated soils
  
• B. Biological control of soil borne pathogens/ biopesticide
  
• C. Gene transfer in higher plants
  
• D. Reclamation of waste land
  

Answer 1

The correct option is B Biological control of soil borne pathogens/ biopesticide


Role of $Trichodermaharzianum$ in agriculture
Trichoderma harzianum are soil-borne fungi. The fungus acts against any plant pathogen (for example, pathogenic fungi or nematode eggs) that may attack the plants, thus conferring disease resistance to the plants.
The common mechanisms include:

• Mycoparasitism
• Antibiosis
• Competition against pests and pathogens

Final answer
(B) Biological control of soil borne pathogens/ biopesticide