2014
DOI: 10.1007/s00122-014-2434-4
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Development and characterization of mutant winter wheat (Triticum aestivum L.) accessions resistant to the herbicide quizalofop

Abstract: New herbicide resistance traits in wheat were produced through the use of induced mutagenesis. While herbicide-resistant crops have become common in many agricultural systems, wheat has seen few introductions of herbicide resistance traits. A population of Hatcher winter wheat treated with ethyl methanesulfonate was screened with quizalofop to identify herbicide-resistant plants. Initial testing identified plants that survived multiple quizalofop applications. A series of experiments were designed to character… Show more

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Cited by 29 publications
(31 citation statements)
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“…More recently, winter wheat lines resistant to quizalofop‐p‐ethyl [(2‐{4‐((6‐chloroquinoxalin‐2‐yl) oxy) phenoxy} propanoate); an aryloxyphenoxy propionate class of acetyl‐CoA‐carboxylase (ACCase)‐inhibiting herbicide] have been developed using an induced mutagenesis and selection approach (Ostlie et al., 2015). Researchers identified a novel mutation (causing an alanine to valine change at position 2004) in the Acc1 gene on the A, B, and D genomes of hexaploid winter wheat, and developed single‐ (mutation only on the A genome) and two‐gene (mutation on the A and D genome) resistant breeding lines (Ostlie et al., 2015). Recent commercialization of these quizalofop‐resistant winter wheat varieties for use in the CoAXium Wheat Production System (Albaugh Company) allows growers to use postemergence (POST) applications of quizalofop‐p‐ethyl (Aggressor, Albaugh Company) for controlling winter annual grass weed species, including feral rye (Anonymous, 2017a).…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…More recently, winter wheat lines resistant to quizalofop‐p‐ethyl [(2‐{4‐((6‐chloroquinoxalin‐2‐yl) oxy) phenoxy} propanoate); an aryloxyphenoxy propionate class of acetyl‐CoA‐carboxylase (ACCase)‐inhibiting herbicide] have been developed using an induced mutagenesis and selection approach (Ostlie et al., 2015). Researchers identified a novel mutation (causing an alanine to valine change at position 2004) in the Acc1 gene on the A, B, and D genomes of hexaploid winter wheat, and developed single‐ (mutation only on the A genome) and two‐gene (mutation on the A and D genome) resistant breeding lines (Ostlie et al., 2015). Recent commercialization of these quizalofop‐resistant winter wheat varieties for use in the CoAXium Wheat Production System (Albaugh Company) allows growers to use postemergence (POST) applications of quizalofop‐p‐ethyl (Aggressor, Albaugh Company) for controlling winter annual grass weed species, including feral rye (Anonymous, 2017a).…”
Section: Introductionmentioning
confidence: 99%
“…More recently, winter wheat lines resistant to quizalofopp-ethyl [(2-{4-((6-chloroquinoxalin-2-yl) oxy) phenoxy} propanoate); an aryloxyphenoxy propionate class of acetyl-CoA-carboxylase (ACCase)-inhibiting herbicide] have been developed using an induced mutagenesis and selection approach (Ostlie et al, 2015). Researchers identified a novel mutation (causing an alanine to valine change at position…”
Section: Introductionmentioning
confidence: 99%
“…For example, in a polyploid, a single mutation in one homoeologous copy encoding a target enzyme tends to confer lower levels of herbicide resistance compared to diploid plants carrying the same mutation in a single-copy gene ( Yu et al, 2013 ). The locus of a mutated copy among multiple homoeologous copies of genes encoding herbicide targets could also influence the degree of herbicide resistance ( Ostlie et al, 2015 ). In addition, within-species copy number variation (CNV) was previously observed in the gene encoding the glyphosate target enzyme, 5-enolpyruvoylshikimate-3-phosphate synthase (EPSPS), of which a higher copy number was associated with glyphosate resistance ( Sammons and Gaines, 2014 ).…”
Section: Introductionmentioning
confidence: 99%
“…For example, in the United Kingdom, it was recently estimated that blackgrass control, and the yield losses in winter wheat that it causes, may result in an annual economic burden as high as £1 billion (Varah et al 2019). These issues have prompted efforts to develop wheat resistant to glyphosate (Aramrak et al 2018) and other herbicides (Newhouse et al 1992) (Ostlie et al 2015) (Pozniak et al 2004) via non-transgenic (mutagenesis) methods that might be more acceptable to growers and the public. These efforts have had some success with the development of wheat lines with some glyphosate tolerance and wheat with tolerance to other herbicides through forward screening of mutagenized wheat seeds.…”
Section: Introductionmentioning
confidence: 99%