Results 151 to 160 of about 366 (170)

Utilization of structure-property relationships as a guide for achievement of high optical purity in aryloxyphenoxypropionates

Pure and Applied Chemistry, 1998
Abstract
L. D. Kerschner, J. J. Tai, P. R. Rudolf
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Giant Foxtail (Setaria faberi) Resistance to Aryloxyphenoxypropionate and Cyclohexanedione Herbicides

Weed Science, 1995
A giant foxtail (PCW1) population putatively resistant to fluazifop-P and sethoxydim was identified in a carrot, onion, and corn cropping system in Wisconsin during 1991. Previous, extensive use of fluazifop and fluazifop-P over several years imposed a high level of selection intensity on grass weeds. In a field experiment, fluazifop-P, sethoxydim, and
David E. Stoltenberg, Ronald J. Wiederholt   +1 more
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Environmental Behavior of the Chiral Aryloxyphenoxypropionate Herbicide Diclofop-Methyl and Diclofop: Enantiomerization and Enantioselective Degradation in Soil

Environmental Science & Technology, 2010
In this study, the degradation of diclofop-methyl (DM) and its main metabolite, diclofop (DC), in two soils under aerobic and anaerobic conditions were investigated using enantioselective HPLC. Under aerobic or anaerobic conditions, rapid hydrolysis to the corresponding acid diclofop (DC)was observed.
Jinling, Diao, Peng, Xu, Peng, Wang, Yuele, Lu, Dahai, Lu, Zhiqiang, Zhou   +5 more
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Development of enzymes for robust aryloxyphenoxypropionate and synthetic auxin herbicide tolerance traits in maize and soybean crops

Pest Management Science, 2019
AbstractBACKGROUNDEffective management of weedy species in agricultural fields is essential for maintaining favorable growing conditions and crop yields. The introduction of genetically modified crops containing herbicide tolerance traits has been a successful additional tool available to farmers to better control weeds.
Clayton T Larue, Michael Goley, Lei Shi, Artem G Evdokimov, Oscar C Sparks, Christine Ellis, Andrew M Wollacott, Timothy J Rydel, Coralie E Halls, Brook Van Scoyoc, Xiaoran Fu, Jeffrey R Nageotte, Adewale M Adio, Meiying Zheng, Eric J Sturman, Graeme S Garvey, Marguerite J Varagona   +16 more
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Origin of Enantiomeric Selectivity in the Aryloxyphenoxypropionic Acid Class of Herbicidal Acetyl Coenzyme A Carboxylase (ACCase) Inhibitors

Journal of Agricultural and Food Chemistry, 2002
Molecular modeling was used to propose an "active conformation" for the R-2-phenoxypropionic acid portion of the aryloxyphenoxypropionic acid series of herbicidal acetyl CoA carboxylase (ACCase) inhibitors. This candidate active conformation is a low-energy conformer with the R-methyl distal to the phenoxy fragment, stabilized by the generalized ...
James A, Turner, Daniel J, Pernich
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Enantioseparation of Four Aryloxyphenoxypropionic Acid Herbicides by HPLC on CDMPC and (S,S)-Whelk-O 1

Chinese Journal of Analytical Chemistry, 2006
Abstract This article reported the enantioseparation of diclofop, fluazifop, quizalofop-P and fenoxaprop using self-prepared cellulose derivative CDMPC and (S,S)-Whelk-O 1 columns. The influence of the mobile phase composition and solute structure on the chiral separation was studied. And their chiral recognition mechanism was discussed.
Chunxiu Pan, Baochun Shen, Xuejun Zhang, Datong Zhang, Xiuzhu Xu   +4 more
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Interactions of Aryloxyphenoxypropionic Acids with Sensitive and Resistant Acetyl-Coenzyme A Carboxylase by Homology Modeling and Molecular Dynamic Simulations

Journal of Chemical Information and Modeling, 2006
Acetyl-coenzyme A carboxylase (ACCase) has been identified as one of the most important targets of herbicides. In the present study, we constructed homology models of the carboxyl-transferase (CT) domain of ACCase from sensitive and resistant foxtail and used these models as templates to study the molecular mechanism of herbicide resistance and ...
Xiao-Lei Zhu, Li Zhang, Qiong Chen, Jian Wan 0004, Guangfu Yang   +4 more
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A Seedling Assay to Screen Aryloxyphenoxypropionic Acid and Cyclohexanedione Resistance in Johnsongrass (Sorghum halepense)

Weed Technology, 2006
A seedling bioassay was developed for the rapid diagnosis of resistance to clethodim and fluazifop-P in johnsongrass. The assay was based on differences in the coleoptile length of susceptible (S) and resistant (R) seedlings exposed to clethodim and fluazifop-P in petri dishes for 5 d.
Ian C. Burke, Walter E. Thomas, James D. Burton, Janet F. Spears, John W. Wilcut   +4 more
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ChemInform Abstract: N‐Methyl as a Bioisostere for the Oxygen Link Between the Aromatic Rings of Aryloxyphenoxypropionate Herbicides.

ChemInform, 1997
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
G. J. BIRD, L. E. CROSS, G. J. FARQUHARSON, W. A. JENSEN, J. LYDIATE, A. SERBAN, R. B. WARNER, K. G. WATSON   +7 more
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Novel Bifunctional Amidase Catalyzing the Degradation of Propanil and Aryloxyphenoxypropionate Herbicides in Rhodococcus sp. C-1

Journal of Agricultural and Food Chemistry
Propanil residues can contaminate habitats where microbial degradation is predominant. In this study, an efficient propanil-degrading strain C-1 was isolated from paddy and identified as Rhodococcus sp. It can completely degrade 10 μg/L-150 mg/L propanil within 0.33-10 h via the hydrolysis of the amide bond, forming 3,4-dichloroaniline.
Xiaoyu Zhou, Jinjin Huang, Shiwei Xu, Huan Cheng, Bin Liu, Junwei Huang, Junwei Liu, Dandan Pan, Xiangwei Wu   +8 more
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