Jeanaflor Crystal T. Concepcion
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View article: Herbicide resistance is complex: a global review of cross-resistance in weeds within herbicide groups
Herbicide resistance is complex: a global review of cross-resistance in weeds within herbicide groups Open
Herbicides have been placed in global Herbicide Resistance Action Committee (HRAC) herbicide groups based on their sites of action (e.g., acetolactate synthase–inhibiting herbicides are grouped in HRAC Group 2). A major driving force for t…
View article: Metabolism of halauxifen acid is regulated by genes located on wheat chromosome 5A
Metabolism of halauxifen acid is regulated by genes located on wheat chromosome 5A Open
Allohexaploid wheat ( Triticum aestivum L.) is tolerant to halauxifen-methyl (HM) via rapid detoxification of the phytotoxic form of HM, halauxifen acid (HA), to non-phytotoxic metabolites. Previous research utilizing ‘Chinese Spring’ (CS)…
View article: Metabolism of the 4-Hydroxyphenylpyruvate Dioxygenase Inhibitor, Mesotrione, in Multiple-Herbicide-Resistant Palmer amaranth (<i>Amaranthus palmeri</i>)
Metabolism of the 4-Hydroxyphenylpyruvate Dioxygenase Inhibitor, Mesotrione, in Multiple-Herbicide-Resistant Palmer amaranth (<i>Amaranthus palmeri</i>) Open
Metabolic resistance to the maize-selective, HPPD-inhibiting herbicide, mesotrione, occurs via Phase I ring hydroxylation in resistant waterhemp and Palmer amaranth; however, mesotrione detoxification pathways post-Phase I are unknown. Thi…
View article: Quantifying resistance to very-long-chain fatty acid-inhibiting herbicides in Amaranthus tuberculatus using a soilless assay
Quantifying resistance to very-long-chain fatty acid-inhibiting herbicides in Amaranthus tuberculatus using a soilless assay Open
Resistance to preemergence (PRE) soil-applied herbicides, such as inhibitors of very-long-chain fatty acid (VLCFA) elongases, was documented in two waterhemp [ Amaranthus tuberculatus (Moq.) J.D. Sauer] populations (SIR and CHR) from Illin…
View article: Inheritance of resistance to <i>S</i>-metolachlor in a waterhemp (<i>Amaranthus tuberculatus</i>) population from central Illinois
Inheritance of resistance to <i>S</i>-metolachlor in a waterhemp (<i>Amaranthus tuberculatus</i>) population from central Illinois Open
Waterhemp [ Amaranthus tuberculatus (Moq.) Sauer] is a dioecious weed that has evolved resistance to very-long-chain fatty-acid elongase (VLCFAE)–inhibiting herbicides via rapid metabolism. Although detoxification enzyme activities are ass…
View article: Resistance to a nonselective 4‐hydroxyphenylpyruvate dioxygenase‐inhibiting herbicide via novel reduction–dehydration–glutathione conjugation in <i>Amaranthus tuberculatus</i>
Resistance to a nonselective 4‐hydroxyphenylpyruvate dioxygenase‐inhibiting herbicide via novel reduction–dehydration–glutathione conjugation in <i>Amaranthus tuberculatus</i> Open
Summary Metabolic resistance to 4‐hydroxyphenylpyruvate dioxygenase (HPPD)‐inhibiting herbicides is a threat in controlling waterhemp ( Amaranthus tuberculatus ) in the USA. We investigated resistance mechanisms to syncarpic acid‐3 (SA3), …
View article: Metabolic Pathways for<i>S</i>-Metolachlor Detoxification Differ Between Tolerant Corn and Multiple-Resistant Waterhemp
Metabolic Pathways for<i>S</i>-Metolachlor Detoxification Differ Between Tolerant Corn and Multiple-Resistant Waterhemp Open
Herbicide resistance in weeds can be conferred by target-site and/or non-target-site mechanisms, such as rapid metabolic detoxification. Resistance to the very-long-chain fatty acid–inhibiting herbicide, S-metolachlor, in multiple herbicid…
View article: A Multidisciplinary Phenotyping and Genotyping Analysis of a Mapping Population Enables Quality to Be Combined with Yield in Rice
A Multidisciplinary Phenotyping and Genotyping Analysis of a Mapping Population Enables Quality to Be Combined with Yield in Rice Open
In this study a mapping population (F8) of ca 200 progeny from a cross between the commercial rice varieties Apo and IR64 has been both genotyped and phenotyped. A genotyping-by-sequencing approach was first used to identify 2,681 polymorp…