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- G Gliocladium virens GL-21 (129000) Fact Sheet 

# Gliocladium virens GL-21 (129000) Fact Sheet

Issued: 4/00 On This Page I. Description of the Active Ingredient II. Use Sites, Target Pests, And Application Methods III. Assessing Risks to Human Health IV. Assessing Risks to the Environment V. Regulatory Information VI. Registrant Information VII. Additional Contact Information Summary This pesticide active ingredient is a naturally occurring fungus found throughout the United States. When the spores are mixed with soil or other growth media, they prevent plants from becoming infected with rots and various other fungal diseases. Gliocladium virens GL-21 is approved for consumer use as well as commercia l use, at various indoor and outdoor sites. No risks to humans, pets, or the environment are expected from use of this active ingredient. I. Description of the Active Ingredient Name of Active Ingredient: Gliocladium virens GL-21 OPP Chemical Code: 129000
Gliocladium virens GL-21 is a fungus that is found in many kinds of soil throughout the United States. As a pesticide ingredient, the spores of this fu ngus prevent harmful fungi from infecting roots and other parts of plants. Gliocladium virens GL-21 is used only to prevent disease. It does not contro l pathogenic fungi after a plant is already infected. II. Use Sites, Target Pests, And Application Methods Use Sites: Consumer and commercial uses, ou tdoors and indoors, including greenhouses. Crops include ornamentals, vegetables, cotton. Target pests: Fungi that cause "damping off" disease and root rot. Application Methods: Spores in granular form are mixed with soil or other growth media a day before or at the same time as seeding, planting, or transplanting. The initial application is usually sufficient, but additional applications are possible. The product can also be diluted with water and a pp lied directl y to soil or root area of p lants. Related Information Regulating Biopesticides Active In g redient Index 

## Pesticides: Regulating Pesticides Last u p dated on Wednesda y, November 25 , 2009 htt p : // www.e p a. g ov /p esticides / bio p esticides / in g redients / factsheets / factsheet

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### Pa g e 1 of 2 Gliocladium vi rens GL-21 ( 129000 ) Fact Sheet | Pesticides | US EP A

4/8/2010 http://www.epa. g ov/pesticides/biopesticides/in g redients/factsheets/factsheet_1290

...III. Assessing Risks to Human Health No harmful effects to humans are expected fr om handling or breathing this fungus, or from eating treated food. To prevent possible eye irritation to workers, applicators are required to use protective eyewear. IV. Assessing Risks to the Environment Environmental risks are not expected. Gliocladium virens GL-21 occurs naturally in many kinds of soil. Its use in pesticide produc ts is not likely to increase exposure of wildlife, fish, or other organisms. The fung us does not persist in soil; a few weeks after being added to soil, the levels retu rn to the usual background levels. Body temperatures of mammals and birds ar e too high to support growth of Gliocladium virens GL-21

. V. Regulatory Information Year active ingredient was initia lly registered (licensed for sale): 1990 Number of end products (as of November 2000): 1 VI. Registrant Information Thermo Trilogy Corporation 9145 Guilford Road, Suite 175 Columbia, MD 21046
VII. Additional Contact Information Ombudsman, Biopesticides and Pollution Prevention Division (7511P) Office of Pesticide Programs Environmental Protection Agency 1200 Pennsylvania Avenue, NW Washin g ton , D.C. 20460 

### Pa g e 2 of 2 Gliocladium vi rens GL-21 ( 129000 ) Fact Sheet | Pesticides | US EP A

4/8/2010 http://www.epa. g ov/pesticides/biopesticides/in g redients/factsheets/factsheet_1290

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