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| Publication Type:
| Refereed |
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| Author(s): | Wiederholt, Ronald J.;
Stoltenberg, David E. |
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| Author Affiliation: | Graduate Research Assistant; and Assistant Professor, Department Agronomy, University Wisconsin, Madison, WI 53706 |
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| Title: | Cross-resistance of a large crabgrass (Digitaria sanguinalis) accession to aryloxyphenoxypropionate and cyclohexanedione herbicides |
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| Section: | Research
Other records with the "Research" Section
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| Source: | Weed Technology. Vol. 9, No. 3, July-September 1995, p. 518-524. |
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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: Digitaria sanguinalis; Herbicide resistance; Daucus carota; Zea mays; Imazethapyr; Sethoxydim; Fluazifop; Fenoxaprop-ethyl; Haloxyfop; Linuron; Quizalofop
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| Abstract/Contents: | "A large crabgrass population (PW2) that demonstrated resistance to fluazifop-P and sethoxydim was identified in Wisconsin during 1992. Dose-response experiments were conducted in the greenhouse to determine the level of resistance of a PW2 large crabgrass accession to aryloxphenoxypropionate (APP), cyclohexanedione (CHD), and other herbicide chemistries relative to a large crabgrass accession (A310) which was susceptible to APP and CHD herbicides. Based on shoot dry biomass reduction, the PW2 accession was 337- and 59-fold resistant to sethoxydim and fluazifop-P, respectively, relative to the A310 accession. Resistance of the PW2 accession to fenoxaprop, haloxyfop, quizalofop, and diclofop ranged from 18- to 29-fold. The PW2 accession was only 7-fold resistant to clethodim. Both large crabgrass accessions were susceptible to imazethapyr and linuron. These results suggest that APP and CHD herbicides will be ineffective for the management of PW2 accession. An integrated approach including cultural, mechanical, and alternative chemical methods, should be implemented for the management of the PW2 accession and to prevent additional resistance problems." |
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| Language: | English |
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| References: | 27 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wiederholt, R. J., and D. E. Stoltenberg. 1995. Cross-resistance of a large crabgrass (Digitaria sanguinalis) accession to aryloxyphenoxypropionate and cyclohexanedione herbicides. Weed Technol. 9(3):p. 518-524. |
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MSU catalog number: SB 610 .W44 |
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