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| Publication Type:
| Popular |
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| Author(s): | Cox, Caroline |
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| Author Affiliation: | Staff scientist, Northwest Coalition for Alternatives to Pesticides, Eugene, OR |
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| Title: | Triclopyr |
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| Column Name: | Herbicide factsheet
Other records with the "Herbicide factsheet" Column
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| Source: | Journal of Pesticide Reform. Vol. 20, No. 4, Winter 2000, p. 12-19. |
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| Publishing Information: | Eugene, OR: Northwest Coalition for Alternatives to Pesticides |
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| # of Pages: | 8 |
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| Keywords: | TIC Keywords: Triclopyr; Herbicides; Broadleaf herbicides; Environmental effects; Herbicide safety; Pesticide degradation; Toxicity; Wildlife; Health; Safety; Herbicide profile
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| Abstract/Contents: | "Triclopyr is a broadleaf herbicide used primarily on pastures, woodlands, and rights of way. Garlon 3A and Garlon 4 are brand names of common triclopyr herbicides. Two forms of triclopyr are used as herbicides: the triethylamine salt (found in Garlon 3A) and the butoxyethyl ester (found in Garlon 4). The amine salt of triclopyr is corrosive to eyes. Both the amine salt and the ester are sensitizers and can cause allergic skin reactions. In laboratory tests, triclopyr caused an increase in the incidence of breast cancer as well as an increase in a type of genetic damage called dominant lethal mutations. Triclopyr also is damaging to kidneys and has caused a variety of reproductive problems. The ester form of triclopyr is highly toxic to fish and inhibits behaviors in frogs that help them avoid perdators. Feeding triclopyr to birds decreases the survival of their nestlings. Triclopyr inhibits the growth of mycorrhizal fungi, beneficial fungi that increase plants' ability to take up nutrients. Triclopyr also interferes with one step in the process by which atmospheric nitrogen is transformed by microorganisms into a form that is usable by plants. Triclopyr is mobile in soil and has contaminated wells, streams, and rivers. Contaminated water has been found near areas where triclopyr is used in agriculture, in forestry, on urban landscapes, and on golf courses. The major breakdown product of triclopyr (3,5,6-trichloro-2-pyridinol) disrupts the normal growth and development of the nervous system. In laboratory tests, it also accumulates in fetal brains when pregnant animals are exposed." |
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| Language: | English |
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| References: | 81 |
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| Note: | Includes sidebar, "Hazards of inerts in triclopyr products", p. 13
Map, "Triclopyr in urban streams"
Graphs
Diagrams |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Cox, C. 2000. Triclopyr. J. Pest. Reform. 20(4):p. 12-19. |
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MSU catalog number: SB 950.2 .A1 .J58 |
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