Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Howell CR. Selective isolation from soil and separation in vitro of P and Q strains of Trichoderma virens with differential media. Mycologia 91: 930-934, 1999.
Howell CR, et al. Induction of terpenoid synthesis in cotton roots and control of Rhizoctonia solani by seed treatment with Trichoderma virens. Phytopathology 90: 248-252, 2000.
Charles R Howell, personal communication
