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| Publication Type:
| Refereed |
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| Author(s): | Fishel, Frederick M.;
Coats, G. Euel |
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| Author Affiliation: | Grad. Res. Asst.; Prof., Dep. Plant Pathol. Weed Sci., Mississippi State Univ. |
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| Title: | Effect of commonly used turfgrass herbicides on bermudagrass (Cynodon dactylon) root growth |
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| Source: | Weed Science. Vol. 41, No. 4, October-December 1993, p. 641-647. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Cynodon dactylon; Root growth; Soil profiles; Herbicide persistence; Dithiopyr; Oryzalin; Pendimethalin; Prodiamine; Soil types
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| Abstract/Contents: | "Experiments were conducted in 1990 and 1991 to determine bioavailability of PRE herbicides at three soil profile depths and two soil types in established common bermudagrass sods. Prodiamine and oryzalin reduced 'Tifgreen' bermudagrass root growth in the 5- to 7.5-cm layer of a Bosket very fine sandy loam soil at 2 and 4 wk after treatment in 1991. These herbicides decreased bermudagrass root weight in both the Bosket and Marietta sandy clay loam both years in samples taken from the 2.5- to 5-cm depth layer. In the 0- to 2.5-cm soil layer, all herbicides reduced root weight in 1990. In a bioassay, prodiamine caused decreased Tifgreen bermudagrass root growth at concentrations as low as 4 ppb by wt in the very fine sandy loam soil, while 8 ppb was necessary in the sandy clay loam soil. Prodiamine was detected in the very fine sandy loam at 4 wk after treatment at all depths in 1991 (65, 45, and 39 ppb in the 0- to 2.5-, 2.5- to 5-, and 5- to 7.5-cm soil layers, respectively). Oryzalin was also detected at all depths in 1991 when sampled at 2 and 4 wk after treatment in the very fine sandy laom. Pendimethalin was present in concentrations of 38, 39, and 37 ppb in the sandy clay loam at 2 wk after treatment in the 0- to 2.5, 2.5- to 5-, and 5- to 7.5-cm soil layers, respectively. Pendimethalin was also detected in the very fine sandy loam at 2 wk after treatment at concentrations of 55, 69, and 36 ppb in the 0- to 2.5-, 2.5- to 5-, and 5- to 7.5-cm soil layers, respectively." |
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| Language: | English |
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| References: | 14 |
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| Note: | Figures
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Fishel, F. M., and G. E. Coats. 1993. Effect of commonly used turfgrass herbicides on bermudagrass (Cynodon dactylon) root growth. Weed Sci. 41(4):p. 641-647. |
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MSU catalog number: SB 610 .W38 |
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