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Trichoderma polysporum ATCC 20475 (128902) Trichoderma harzianum ATCC 20476 (128903) Fact Sheet
Issued: 12/00
On This Page
- Description of the Active Ingredient
- Use Sites, Target Pests, And Application Methods
- Assessing Risks to Human Health
- Assessing Risks to the Environment
- Regulatory Information
- Registrant Information
- Additional Contact Information
Summary
These two active ingredients are fungi commonly found in soil throughout the United States. They live on various kinds of other fungi, including many that cause plant diseases. In combination, these two fungi are applied to tree wounds to prevent or control fungal infections that might otherwise occur. No risks to humans, other organisms, or the environment are expected from use of Trichoderma harzianum ATCC 20476 and Trichoderma polysporum ATCC 20475 as pesticide active ingredients.
- Description of the Active Ingredient
- Use Sites, Target Pests, And Application Methods
- Use Sites: Wounds in ornamental, shade, and forest trees, usually from pruning.
- Target pests: Fungi that infect tree wounds.
- Application Methods: The fungal powder is mixed with water before use. The slurry is applied to the wound the same day as pruning took place, and the wound is immediately covered with a tree wound sealant. Note: The sealant should not contain any fungicide.
- Assessing Risks to Human Health
- Assessing Risks to the Environment
- Regulatory Information
- Registrant Information
- Additional Contact Information
Name of Active Ingredient: Trichoderma harzianum ATCC 20476
OPP Chemical Code: 128903; (CAS # 67892-34-6)Name of Active Ingredient: Trichoderma polysporum ATCC 20475
OPP Chemical Code: 128902; (CAS # 67892-31-3)
These two fungi are common in soils. They inhibit the growth of other fungi by mechanisms that scientists have not yet identified. Unlike many other fungi, these two active ingredients apparently do not make toxins. These fungi and their extracts have been used in food and feed products in other countries with no reported adverse effects.
No harmful effects to humans are expected from handling or breathing this fungus. Various toxicity tests show that these fungi do not cause adverse effects in animals.
Environmental risks are not expected. Trichoderma harzianum ATCC 20476 and Trichoderma polysporum ATCC 20475 occur naturally in many kinds of soil. Their use in treating tree wounds should result in little or no exposure to the environment or wildlife. Also, body temperatures of mammals and birds are too high to support growth of these Trichoderma species.
Year active ingredients were initially registered (licensed for sale): 1989
Number of end products (as of November 2000): 1 (contains equal amounts of each Trichoderma species)
BINAB Bio-Innovation AB, Sweden
United States agent
Mr. Joe Wakeman
819 L Street
Davis, CA 95616
Ombudsman, Biopesticides and Pollution Prevention Division (7511P)
Office of Pesticide Programs
Environmental Protection Agency
1200 Pennsylvania Avenue, NW
Washington, D.C. 20460