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| Web URL(s): | http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2008.pdf#page=26
Last checked: 12/10/2013
Requires: PDF Reader
Notes: Item is within a limited access website |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Perez-Jones, Alejandro;
Mallory-Smith, Carol |
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| Author Affiliation: | Department of Crop and Soil Science, Oregon State University, Corvallis, Oregon |
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| Title: | Cross-resistance patterns to ALS- and Accase-inhibiting herbicides in one Italian ryegrass population from Oregon |
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| Section: | Poster session
Other records with the "Poster session" Section
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| Meeting Info.: | Anaheim/Garden Grove, California: March 11-13, 2008 |
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| Source: | Proceedings of the Western Society of Weed Science. Vol. 61, 2008, p. 17-18. |
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| Publishing Information: | Newark, CA: Western Society of Weed Science |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Herbicides; Lolium multiflorum; Weed control; Herbicide resistance; Genetic resistance; Acetolactate synthase-inhibiting herbicides; Acetyl-CoA carboxylase inhibitors
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| Abstract/Contents: | "Diclofop-methyl, an ACCase-inhibiting herbicide, was first introduced in 1980, and was effectively used to control Italian ryegrass (Lolium multiflorum) for several years in winter wheat (Triticum aestivum). However, the continuous application of diclofop-methyl led to the selection of several resistant Italian ryegrass populations that have become a major weed problem in the U.S. Diclofop-methyl resistant Italian ryegrass is widely distributed in Oregon. Therefore, other herbicides with different sites of action, including ALS inhibitors, have been used to control it. Here, we determined the cross-resistance pattern of one diclofop-methyl resistant population from a winter wheat field in Oregon to ALS- and ACCase-inhibiting herbicides. We found that the resistant population was cross-resistant to the aryloxyphenoxypropionic acids (AOPP) quizalofop-p-ethyl and clodinafop-propargyl, but susceptible to the cyclohexanediones (CHD) sethoxydim and clethodim, and the new herbicide pinoxaden. We also found that the resistant population was resistant to the ALS-inhibiting herbicides chlorsulfuron and metsulfuron-methyl, but susceptible to mesosulfuron. Further investigations will be conducted to determine if the mechanisms of resistance involved are target site or nontarget site." |
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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):
Perez-Jones, A., and C. Mallory-Smith. 2008. Cross-resistance patterns to ALS- and Accase-inhibiting herbicides in one Italian ryegrass population from Oregon. Proc. West. Soc. Weed Sci. 61:p. 17-18. |
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| Web URL(s):
http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2008.pdf#page=26
Last checked: 12/10/2013
Requires: PDF Reader
Notes: Item is within a limited access website |
| 
MSU catalog number: b2224583a |
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