Different species belonging to the genus Trichoderma are useful to humans as well as to plants. Justify their roles by giving one instance of each.

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Detailed Solution

Trichoderma is a fungi act as biocontrol agents against plant pathogens and soil-borne diseases. Genus Trichoderma belongs to the division Ascomycota.
Efficiency of Trichoderma depends on many abiotic parameters such as
i. soil pH,
ii. water retention,
iii.temperature and
iv. presence of heavy metals.
Trichoderma act as biocontrol agents act as potential antagonists against many soil-borne dieases and plant pathogens. Examples of most important species are
a. Trichoderma. harzianum,
b. Trichoderma. pseudokoningii,
c. Trichoderma. atroviride,
d. Trichoderma. koningii,
e. Trichoderma. viride,
f. Trichoderma. atroviride,
g. Trichoderma. longibrachiatum,
h. Trichoderma. hamatum,
i. Trichoderma. polysporum and
j. Trichoderma. reesei