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| Publication Type:
| Refereed |
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| Author(s): | Bridges, David C.;
Chandler, J. M. |
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| Author Affiliation: | Dept. Soil Crop Science, Texas Agricultural Experiment Station, College Station, TX. |
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| Title: | Effect of Herbicide and Weed height on Johnsongrass (Sorghum halepense) Control and Cotton (Gossypium hirsutum) Yield |
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| Source: | Weed Technology. Vol. 1, No. 3, July 1987, p. 207-211. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America. |
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| Keywords: | TIC Keywords: Herbicides; Height; Sorghum halepense; Fluazifop; Haloxyfop; Poppenate-methyl; Sethoxydim; Weed control
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| Trade Names: | SC-1084 |
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| Abstract/Contents: | "Research was conducted from 1983 through 1985 in east central Texas to determine the effect of grass-specific herbicides, herbicide rates, and weed height on johnsongrass [Sorghum halepense (L.) Pers. #3 SORHA] control and cotton (Gossypium hirsutum L. 'Stoneville 825') yeild. Seven herbicides were applied to johnsongrass less than 30 cm tall with 2 to 5 leaves approximately 4 weeks after cotton emergence. Good-to-excellent johnsongrass control was observed for each herbicide except cloproxydim at 0.56 kg ai/ha and sethoxydim at 0.28 kg ai/ha. Few significant differences were found in seed cotton yields even though johnsongrass control ranged from 43 to 99% 26 days after treatment (DAT). These data suggest that johnsongrass regrowth and/or reinfestation following initial control of 75% or higher during the first 4 to 6 weeks after cotton emergence has a minimum negative effect on cotton yield. Johnsongrass control was highest when either fluazifop-P or haloxyfop was applied to 15 to 30 cm tall johnsongrass." |
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| Language: | English |
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| References: | 8 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Bridges, D. C., and J. M. Chandler. 1987. Effect of Herbicide and Weed height on Johnsongrass (Sorghum halepense) Control and Cotton (Gossypium hirsutum) Yield. Weed Technol. 1(3):p. 207-211. |
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