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Auxin‐mimic herbicides dilema: Their benefits and limitations
Pest Management ScienceAbstractBACKGROUNDAuxinic herbicides have revolutionized weed control since their introduction in agriculture in 1945. In recent years, auxinic herbicides have become essential and cost‐effective weed management tools to control glyphosate‐resistant and other difficult‐to‐control weeds in soybean and cotton.
Natália S Garcia +5 more
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Pest Management Science, 2002
Abstract BAS 662H, a 1:2.5 combination of the semicarbazone‐type auxin transport inhibitor diflufenzopyr and the auxin herbicide dicamba, is used as a post‐emergence herbicide in corn. The combination has been observed to provide more effective broadleaf weed control and improved tolerance in corn than typical ...
Klaus, Grossmann +3 more
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Abstract BAS 662H, a 1:2.5 combination of the semicarbazone‐type auxin transport inhibitor diflufenzopyr and the auxin herbicide dicamba, is used as a post‐emergence herbicide in corn. The combination has been observed to provide more effective broadleaf weed control and improved tolerance in corn than typical ...
Klaus, Grossmann +3 more
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Recent developments in auxin biology and new opportunities for auxinic herbicide research
Pesticide Biochemistry and Physiology, 2007Auxinic herbicides mimic the effects of natural auxin. However, in spite of decades of research, the site(s) of action of auxinic herbicides has remained unknown and many physiological aspects of their function are unclear. Recent advances in auxin biology provide new opportunities for research into the mode of action of auxinic herbicides.
Kevin B. Kelley, Dean E. Riechers
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Design, Synthesis, and Evaluation of Novel Auxin Mimic Herbicides
Journal of Agricultural and Food Chemistry, 2016Due to the key roles of auxins as master regulators of plant growth, there is considerable interest in the development of compounds with auxin-like properties for growth management and weed control applications. Herein, we describe the design and multistep synthesis of ten compounds bearing combinations of functional groups commonly associated with ...
Chi-Linh, Do-Thanh +4 more
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Current Status of Auxin‐Mimic Herbicides
Outlooks on Pest ManagementThe challenge of managing pesticide resistance in modern agriculture has become increasingly daunting. Herbicide resistance presents a complex scenario due to the continuous selection pressure from synthetic herbicides in global agricultural systems. Auxin‐mimic herbicides (AMHs) have traditionally served as a dependable tool for managing resistant ...
Dustin Moreno-Serrano +2 more
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Stomatal Responses to Two Herbicidal Auxins
Journal of Experimental Botany, 1979The effects of 1-naphthylacetic acid (NAA) and 2-naphthoxyacetic acid (NOXA) on stomatal opening on illumination of excised, turgid leaves of Stachytarpheta indica were investigated by microscopic examination of abaxial epidermises fixed in absolute ethanol.
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Pesticide Biochemistry and Physiology, 1995
Abstract The effect of the auxinic herbicides dicamba, mecoprop, MCPA, and picloram on seedling development of an auxinic herbicide-resistant and -susceptible biotype of wild mustard ( Sinapis arvensis L.) was studied. When treated with dicamba, MCPA, and picloram differences in the seedling dose-response characteristics were observed between the ...
S.R. Webb, J.C. Hall
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Abstract The effect of the auxinic herbicides dicamba, mecoprop, MCPA, and picloram on seedling development of an auxinic herbicide-resistant and -susceptible biotype of wild mustard ( Sinapis arvensis L.) was studied. When treated with dicamba, MCPA, and picloram differences in the seedling dose-response characteristics were observed between the ...
S.R. Webb, J.C. Hall
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Auxin herbicides: current status of mechanism and mode of action
Pest Management Science, 2009Abstract Synthetic compounds that act like phytohormonal ‘superauxins’ have been among the most successful herbicides used in agriculture for more than 60 years. These so‐called auxin herbicides are more stable in planta than the main natural auxin, indole‐3‐acetic acid (IAA)
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Coadministration of Gibberellin and Auxin‐Type Herbicides on Sugarcane
Agronomy Journal, 1973AbstractCombinations of gibberellic acid (GA) and 2‐methyl, 4‐chlorophenoxyacetic acid (MCPA) were applied to the foliage of greenhouse‐grown sugarcane (interspecific hybrids of Saccharum), as part of a program of screening potential ripening agents. GA induced the typical growth stimulation, lasting about 4 weeks in these trials.
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Role of RNA metabolism in the action of auxin-herbicides
1969The auxin-herbicides are those herbicidal compounds which in low concentration exhibit the growth promoting properties of the native auxin, indoleacetic acid (IAA). The type compounds here are 2,4-dichlorophenoxyacetic acid (2,4-D) and 2-methyl-4-chlorophenoxy-acetic acid (MCPA).
J. B. Hanson, F. W. Slife
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