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| Publication Type:
| Refereed |
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| Author(s): | Culpepper, A. Stanley;
York, Alan C.;
Jennings, Katherine M.;
Batts, Roger B. |
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| Author Affiliation: | Extension associate, professor, graduate research assistant, and agricultural research technician, respectively, Crop Science Department, North Carolina State University, Raleigh, NC |
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| Title: | Interaction of bromoxynil and postemergence graminicides on large crabgrass (Digitaria sanguinalis) |
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| Section: | Research
Other records with the "Research" Section
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| Source: | Weed Technology. Vol. 12, No. 3, July-September 1998, p. 554-559. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America. |
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| # of Pages: | 6 |
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| Keywords: | TIC Keywords: Bromoxynil; Postemergence herbicides; Sethoxydim; Fluazifop; Fenoxaprop-ethyl; Quizalofop; Digitaria sanguinalis; Crabgrass control; Antagonism; Herbicide resistance
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| Abstract/Contents: | "The effect of bromoxynil on large crabgrass control by clethodim, sethoxydim, fluazifop-P, fluazifop-P plus fenoxaprop-P, and quizalofop-P was evaluated in 1996 and 1997 in bromoxynil-tolerant cotton and in fallow areas. Bromoxynil at 560 g ai/ha reduced large crabgrass control 4 weeks after treatment (WAT) when mixed with labeled rates of fluazifop-P, fluazifop-P plus fenoxaprop-P, or quizalofop-P. Control 9 WAT was reduced when bromoxynil was mixed with any of the graminicides. Antagonism with the mixtures was greatest with quizalofop-P, intermediate with fluazifop-P plus fenoxaprop-P and fluazifop-P, and least with clethodim and sethoxydim. Increasing the graminicide rate 50% in mixtures with bromoxynil alleviated antagonism only for clethodim. No antagonism was noted 9 WAT when bromoxynil was applied 3 d before or 3 d after application of clethodim or sethoxydim or when bromoxynil was applied 3 d after fluazifop-P plus fenoxaprop-P. Antagonism was observed when bromoxynil was applied 3 d before fluazifop-P plus fenoxaprop-P or when applied 3 d before or 3 d after flauzifop-P and quizalofop-P. Regardless of bromoxynil application, greatest yields were obtained from cotton treated with clethodim or sethoxydim. Bromoxynil applied 3 d before or 3 d after clethodim, sethoxydim, or fluazifop-P plus fenoxaprop-P did not reduce yield. Yield was reduced when bromoxynil was applied 3 d before or 3 d after application of fluazifop-P or quizalofop-P and when bromoxynil was mixed with any graminicide." |
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| Language: | English |
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| References: | 22 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Culpepper, A. S., A. C. York, K. M. Jennings, and R. B. Batts. 1998. Interaction of bromoxynil and postemergence graminicides on large crabgrass (Digitaria sanguinalis). Weed Technol. 12(3):p. 554-559. |
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MSU catalog number: SB 610 .W44 |
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