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Publication Type:
| Report |
Author(s): | Kells, J. J.;
Meggitt, W. F.;
Penner, D. |
Author Affiliation: | Michigan State University, East Lansing, MI |
Title: | Absorption, Translocation, and Activity of Fluazifop-butyl in Quackgrass [Agropyron repens (L.) Beauv.] and Soybean. |
Source: | Abstracts of the Annual Meeting of the Weed Science Society. February 1983, p. 74-75. |
Publishing Information: | Weed Science Society of America |
Keywords: | TIC Keywords: Absorption; Translocation; Elymus repens; Analytical methods; Tracer techniques; Fluazifop-butyl; Herbicide structure and activity; Water stress
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Abstract/Contents: | "Absorption and translocation of 14/C-flauzifop-butyl was compared in quackgrass and soybean. Absorption was more rapid in soybeans as compared to quackgrass. Translocation of the radiolabel 144 h after treatment was 16.5% and 14.1% in soybeans and quackgrass, respectively. Data indicate that differential absorption and translocation did not contribute to the selectivity of fluazifop-butyl. Herbicidal activity of 0.56 kg/ha fluazifop-butyl was lower on quackgrass plants at the five- to six-leaf stage compared to those at the two- to three-leaf stage. Radioautographs indicated less extensive distribution of 14/c in the larger plants. Greater quackgrass control with 0.28 kg/ha fluazifop-butyl was observed at 30 C than at 20 C. Foliar absorption of 14/C-fluazifop-butyl was significantly greater at 30 C. than at 20 C. Radioautographs indicated more extensive distribution of 14/C at 30 C than at 20 C. Greatest herbicidal activity from 0.28 kg/ha fluazifop-butyl was observed on quackgrass plants exposed to 48 h of shade prior to treatment and full light after treatment. Moisture stress significantly reduced quackgrass control with 0.56 kg/ha fluazifop-butyl; however, no significant differences in absorption or translocation were observed. |
Language: | English |
References: | 0 |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Kells, J. J., W. F. Meggitt, and D. Penner. 1983. Absorption, Translocation, and Activity of Fluazifop-butyl in Quackgrass [Agropyron repens (L.) Beauv.] and Soybean.. Abstr. Annu. Meet Weed Sci. Soc. Am. p. 74-75. |
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