Results 281 to 290 of about 2,083,638 (324)
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Pest Management Science, 2018
BACKGROUND Herbicide hormesis may play a role in the evolution of weed resistance by increasing resistance selection. A standard herbicide rate may be subtoxic to resistant plants and make them more fit than untreated plants.
R. Belz
semanticscholar +1 more source
BACKGROUND Herbicide hormesis may play a role in the evolution of weed resistance by increasing resistance selection. A standard herbicide rate may be subtoxic to resistant plants and make them more fit than untreated plants.
R. Belz
semanticscholar +1 more source
Target‐site mutation accumulation among ALS inhibitor‐resistant Palmer amaranth
Pest Management Science, 2018AbstractBACKGROUNDPalmer amaranth (Amaranthus palmeri S. Wats) is one of the most common and troublesome weeds in the USA. Palmer amaranth resistance to acetolactate synthase (ALS) inhibitors is widespread in the USA, as in Arkansas. The cross‐resistance patterns and mechanism of resistance are not known.
Shilpa Singh +5 more
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Pest Management Science, 2019
BACKGROUND Diflufenican resistance has been reported in wild radish populations since 1998, but the resistance mechanisms are not yet investigated. Recently, we identified a wild radish population (H2/10) from the Western Australian grain belt that is ...
Huan Lu +4 more
semanticscholar +1 more source
BACKGROUND Diflufenican resistance has been reported in wild radish populations since 1998, but the resistance mechanisms are not yet investigated. Recently, we identified a wild radish population (H2/10) from the Western Australian grain belt that is ...
Huan Lu +4 more
semanticscholar +1 more source
Altered target sites as a mechanism of herbicide resistance
Crop Protection, 2000Abstract Over 200 distinct herbicide resistant weed biotypes have evolved worldwide. In most of these, resistance is conferred by an altered target site, i.e. a modified target protein with reduced affinity for the herbicide(s) in question. This has been documented for herbicides that target most major known sites of action, including those that ...
Malcolm D. Devine, Amit Shukla
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Johnsongrass (Sorghum Halepense) Pollen Expresses Accase Target-site Resistance
Weed Technology, 2007Three studies were conducted to develop pollen tests for the screening of acetyl coenzyme-A carboxylase (ACCase) target-site resistance in a biotype of johnsongrass. The assays were based on germination of johnsongrass pollen in media supplemented with clethodim.
Ian C. Burke +4 more
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Target site mediated insecticide resistance: what questions remain?
Insect Biochemistry and Molecular Biology, 1999Abstract Recent advances in the molecular genetics of insecticide resistance have identified the point mutations associated with target site insensitivity in the genes encoding the three major insecticide targets: the Rdl GABA receptor, the para voltage gated sodium channel and insect acetylcholinesterase.
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Weed Biology and Management, 2014
Sagittaria trifolia L. is one of the most serious weeds in paddy fields in Japan. Since the late 1990s, severe infestations of S. trifolia have occurred following applications of sulfonylurea herbicides in Akita prefecture. In this study, two accessions of S.
Satoshi Iwakami +4 more
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Sagittaria trifolia L. is one of the most serious weeds in paddy fields in Japan. Since the late 1990s, severe infestations of S. trifolia have occurred following applications of sulfonylurea herbicides in Akita prefecture. In this study, two accessions of S.
Satoshi Iwakami +4 more
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Target-Site Resistance for Acetolactate Synthase Inhibitor Herbicides
1997Acetolactate synthase (ALS) is the first enzyme common to the biosynthesis of the branched-chain amino acids, leucine, valine, and isoleucine. Currently, there are four commercial classes of herbicides which inhibit this enzyme including sulfonylureas, imidazolinones, triazolopyrimidines, and pyrimidinyl thiobenzoates.
L. L. Saari, C. A. Maxwell
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Conyza species: distribution and evolution of multiple target-site herbicide resistances
Planta, 2015Distribution of Conyza species is well correlated with human interference. Multiple herbicide resistance is caused by the attempt to overcome resistance to one mode of action by overuse of another. Conyza canadensis (CC) and Conyza bonariensis (CB) are troublesome weeds around the world.
Maor, Matzrafi +3 more
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Target-site resistance to bensulfuron-methyl in Sagittaria trifolia L. populations
Pesticide Biochemistry and Physiology, 2015Sagittaria trifolia L. is one of the most serious weeds in paddy fields in northeast of China and cannot be controlled effectively by bensulfuron-methyl in recent years. In this study, two suspected resistant S. trifolia populations (R1 and R2) were collected in Liaoning province of China.
Songhong Wei +4 more
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