Trichodermo harzianum

Biological insecticide

Mitosporitic Fungus:

Previously classified as: Deuteromycetes: Moniliales


Approved name:

Trichoderma harzianumTul.

Other names:

Previously known as Trichoderma lignorum(Tode) Harz.


Trichoderma harzianumoccurs widely in nature in soil substrate and this is being commercialization because of its ability to compete with phytopathogenic fungi and produce toxins.


Trichoderma harzianumis produced  commercially by fermentation as well as on solid substrate.


Recommended for the control of soil-inhabiting  Fusarium, Rhizoctonia, Sclerotium,  Sclerotinia and Botrytis species.


Recommended for use on crops, vegetables and vines.


Mode of action:

Competes in the soil for nutrients and rhizosphere dominance with phyto-pathogenic fungi. In presence of sufficient organic carbon it produces enzymes having lytic effect on target fungi and in contrast in adverse conditions it produces toxins which are equally harmful. 


Trichoderma harzianumis a widely distributed member of the soil microflora and exerts its effect by competing for nutrients and producing toxins against phytopathogenic species.



Formulated as an MG. CFU (2 * 107 /gm)


Apply to soil or compost FYM heap using conventional application equipment. Ensure that the soil is moist and that the temperature is at least 12 °C.



The product contains only spores of Trichoderma harzianum.Viability of the formulation is determined by plating the product out on agar and counting the number of colonies formed after incubation in the laboratory for 48 hours.

Storage conditions:

Store under dry, stable conditions as unopened packs.


Vacuum packs maintain product viability for one year if stored at 20 °C and if unopened.


Not to be used with most of fungicidal treatment except with Vitavax.


Acute oral LD50 mallard ducks and bobwhite quail >2,000 mg/kg. LC50 (96 hours) zebra fish 1.23 x 105 colony forming units (cfu)/ml. LC50 (10 days) aphnia pulex1.6 x 104 cfu/ml. Trichoderma harzianumwas not toxic to honeybees at 1,000 pp


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