Trichoderma harzianum

''Trichoderma harzianum'' is a fungus that is also used as a fungicide. It is used for foliar application, seed treatment and soil treatment for suppression of various disease causing fungal pathogens. Commercial biotechnological products such as 3Tac have been useful for treatment of ''Botrytis'', ''Fusarium'' and ''Penicillium'' sp.. It is also used for manufacturing enzymes.