What benefits of Trichoderma virens have been cited in the scientific literature?
The literature attributes T. virens biocontrol activity partly to production of antifungal peptaibols that support mycoparasitism of fungal pathogens. Growers researching 'Trichoderma virens systemic resistance' or 'induced resistance biocontrol' will find that peer-reviewed studies report this species primes plant immune responses and modulates defense-related genes and phytohormones. Gliotoxin-producing strains are reported to confer stronger protection against foliar pathogens than nonproducing strains.
1Potential claims from the literature
Reported to suppress soilborne plant diseases including damping-off caused by Pythium ultimum and Rhizoctonia solani, and to protect cotton seedlings from these pathogens
Reported to inhibit growth of Fusarium species in vitro
Reported to produce antifungal peptaibols that contribute to mycoparasitism and biocontrol of fungal pathogens
Reported to prime plant immune responses and induce systemic resistance against pathogens, with gliotoxin-producing strains demonstrating stronger protection against foliar pathogens than nonproducing strains, through induction of defense-related genes and phytohormone modulation
Reported to suppress plant-parasitic nematode species including Meloidogyne, Pratylenchus, Globodera, and Heterodera through mechanisms including mycoparasitism, antibiosis, production of metabolites such as gliotoxin and viridin, and secretion of lytic enzymes
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