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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Lewis, W. M. |
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| Author Affiliation: | Crop Science Dept., North Carolina State University, Raleigh, NC. |
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| Title: | Fenoxaprop-ethyl for Smooth Crabgrass and Goosegrass Control in Turf |
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| Meeting Info.: | Held: January 14-16, 1985, Houston, TX. |
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| Source: | Proceedings of the 38th Southern Weed Science Society. Vol. 38, 1985, p. 104. |
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| Publishing Information: | Southern Weed Science Society |
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| Keywords: | TIC Keywords: Fenoxaprop-ethyl; Digitaria ischaemum; Eleusine indica; Weed control; Cynodon dactylon; Festuca arundinacea; Paspalum dilatatum; Metribuzin; MSMA; Herbicide rates
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| Abstract/Contents: | "Fenoxaprop-ethyl, a selective postemergence grassy weed herbicide, was evaluated for the control of smooth crabgrass and goosegrass in common bermudagrass and Kentucky 31 tall fescue during 1983 and 1984. In 1983, two applications of fenoxaprop-ethyl spaced 7 days apart at a rate of 0.2 kg ha-1 per application were more efffective than one application for controlling smooth crabgrass, 83% compared to 62%. Fenoxaprop-ethyl was ineffective in controlling dallisgrass. Two applications of MSMA at 1.7 kgha-1 per application or metribuzin at 0.56 kg ha-1 per application gave complete control of smooth crabgrass and dallisgrass. One and two applications of fenoxaprop-ethyl gave good to excellent (81 to 97%) control of smooth crabgrass in 1984. The second application was 13 days after the first. The rates per application were 0.28, 0.43, and 0.56 kg ha-1. Goosegrass control for the same rates ranged from 8 to 75% control with two applications being more effective than one. Two applications of MSMA at 1.7 kg ha-1 per application only gave 59% control. The test was initiated on June 27 and ratings were taken 5 weeks later. Additional goosegrass germinated following application and before ratings were taken. In the test begun on August 14, the same treatments of fenoxaprop-ethyl, except one application at 0.28 kg ha-1, gave excellent control of both smooth crabgrass and goosegrass. Tests in tall fescue were begun on June 27, July 10, and July 20, 1984. At the first date one application of fenoxaprop-ethyl at 0.28 or 0.43 kg ha-1 was 20% less effective in controlling smooth crabgrass than two applications which were 90 and 100% respectively. Applications were spaced 10 days apart. One and two applications at 0.56 kg ha-1 per application gave 100 and 97% control respectively. On the July 10th date only one application of fenoxaprop-ethyl at 0.28 kg ha-1 was less effective. All treatments gave excellent control when applied on July 20, 1984. Tall fescue showed acceptable discoloration from all fenoxaprop-ethyl treatments. Color improved from 5 to 30 days after treatment. In summary fenoxyprop-ethyl provided effective postemergence control of smooth crabgrass and goosegrass with two applications at 0.28 kg ha-1 per application spaced 10 days apart or one application at 0.43 kg ha-1. Tall fescue displayed acceptable tolerance to fenoxaprop-ethyl while bermudagrass did not." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Lewis, W. M. 1985. Fenoxaprop-ethyl for Smooth Crabgrass and Goosegrass Control in Turf. Proc. Meet. South. Weed Sci. Soc. 38:p. 104. |
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MSU catalog number: SB 611 .S6 v.38 |
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