Response of wild barley (<i>Hordeum spontaneum</i>) and winter wheat (<i>Triticum aestivum</i>) to sulfosulfuron: The role of degradation

Mohassel, M H Rashed; Spliid, Niels Henrik; Mathiassen, Solvejg K.; Kudsk, Per

doi:10.1111/j.1445-6664.2011.00410.x

Cited by 8 publications

(4 citation statements)

References 22 publications

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“…Park et al (2004) observed that 80% of the absorbed 14 C-propoxycarbazone was metabolized in susceptible and resistant biotypes of downy brome (Bromus tectorum L.), but resistant biotypes had more rapid metabolism. Similar differences in metabolism have been noted in tolerant and susceptible species for other ALS inhibitors including chlorsulfuron, procarbazone, primsulfuron, sulfosulfuron, and trifloxysulfuron (Fandrich et al 2001;Hoseeini et al 2011;Mekki and Leroux 1995;Richardson et al 2003).…”

Section: Specific Radioactivity Species Asupporting

confidence: 62%

Nicosulfuron Absorption, Translocation, and Metabolism in Annual Bluegrass and Four Turfgrass Species

Sidhu

McCullough

2014

Weed sci.

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Nicosulfuron provides POST weed control in corn, pastures, and grassy roadsides, and has potential for use in fine turfgrass. The objective of this research was to evaluate tolerance, absorption, translocation, and metabolism of nicosulfuron in annual bluegrass and four turfgrass species. In greenhouse experiments, relative tolerance of grasses to nicosulfuron (35, 70, or 140 g ai ha−1) from high to low was bermudagrass = zoysiagrass > tall fescue > creeping bentgrass > annual bluegrass. In laboratory experiments, grasses had similar foliar and root absorption of14C-nicosulfuon. Annual bluegrass and creeping bentgrass averaged 80% greater radioactivity per unit dry mass in shoots than bermudagrass following root uptake of14C-nicosulfuron, but other species were similar to these grasses. At 72 h after treatment (HAT), annual bluegrass metabolized 36% of absorbed14C-nicosulfuron, which was less than bermudagrass, tall fescue, and zoysiagrass that metabolized 47 to 58%. Creeping bentgrass metabolism of nicosulfuron was similar to annual bluegrass. Tall fescue had similar levels of metabolism to bermudagrass and zoysiagrass, averaging 67%, at 168 HAT but produced fewer metabolites. Overall, turfgrass tolerance to nicosulfuron is associated with relative herbicide concentrations in shoots and differential species metabolism.

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Section: Specific Radioactivity Species Asupporting

confidence: 62%

Nicosulfuron Absorption, Translocation, and Metabolism in Annual Bluegrass and Four Turfgrass Species

Sidhu

McCullough

2014

Weed sci.

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“…There are direct and indirect methods to identify whether herbicide metabolism is involved in crop tolerance. Direct methods involve chromatography to evaluate the decomposition of the herbicide and/or the formation of the metabolites (Hosseini et al, 2011;Yu and Powles, 2014). Indirect methods may involve the use of inhibitors of herbicide detoxification, such as malathion and chlorpyrifos (Kaspar et al, 2011;Beckie et al, 2012), or the use of stimulators of herbicide metabolization, also called crop safener (Bunting et al, 2004).…”

Section: Introductionmentioning

confidence: 99%

Selectivity of Iodosulfuron-Methyl to Oat Cultivars

et al. 2017

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-Weeds are among the main constraints to high grain yield on hexaploid oat (Avena sativa), but there are few herbicides registered for weed control on this cereal crop. The objectives of this study were to evaluate the impact of the iodosulfuron-methyl on grain yield of elite oat cultivars and investigate the mechanism of oat tolerance to this herbicide. A field experiment conducted in 2012 demonstrated there was no difference on grain yield between cultivars URS Guará and URS Guria, when iodosulfuron-methyl was used up to 4.5 g ha , did not affect the oat grain yield of the genotype UFRGS 14, but affected it on the cultivars URS Guará and URS Guria. In 2014, the oat grain yield of five cultivars, including URS Guará, URS Guria and UFRGS 14 was reduced by iodosulfuron-methyl even at only 2.5 g ha -1. The activity of the ALS enzyme, extracted from oat plants, was sensitive to iodosulfuron-methyl. The increment of the iodosulfuron-methyl effect on oat plants treated with herbicide-detoxification inhibitors (malathion + chlorpyrifos), or the reduction of the herbicide efficacy in plants sprayed with the stimulator of detoxification (mefenpyr-diethyl), suggest that iodosulfuron-methyl degradation is the mechanism involved on its selectivity to oat plants.Keywords: Avena sativa, detoxification, tolerance, acetolactate synthase inhibitor. RESUMO -As plantas daninhas estão entre os principais problemas para o alto rendimento de grãos em aveia hexaploide (Avena sativa), mas existem poucos herbicidas registrados para o controle de plantas daninhas nessa cultura de cereais. Os objetivos deste estudo foram avaliar o impacto do iodosulfuron-methyl no rendimento de grãos de cultivares de aveia elite e investigar o mecanismo de

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“…Inhibited growth and biomass reduction due to exposure of herbicide mixtures was recovered by wheat plant and no significant effect was observed at maturity (Table 5). Recovery to phytotoxic effects of herbicides has been reported for wheat plant by Hosseini et al (2011) and Bhullar et al (2012).…”

Section: Effect Of Mixtures Application On Grain Yield and Yield Contmentioning

confidence: 96%

Identifying Optimum Herbicide Mixtures to Manage and Avoid Fenoxaprop-p-Ethyl Resistant Phalaris minor in Wheat

et al. 2016

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-Use of herbicide mixtures has been advocated as most effective strategy for avoidance and management of herbicide resistant weeds. Effect of twelve selected treatments of four herbicides (clodinafop-propargil, metribuzin, pinoxaden and sulfosulfuron) two-way mixtures at different doses was investigated against fenoxaprop-p-ethyl resistant and susceptible populations of P. minor grown along the wheat plants. In repeated experiment, herbicides mixtures were applied at 3 to 4 leaf stage of P. minor under greenhouse conditions. All the herbicide mixtures were effective to control resistant as well as susceptible P. minor. Mixtures having 75% lethal dose of each mixture component provided best control against P. minor. Mixtures with 50% lethal dose of each herbicide also provided more than 80% control of P. minor. Surviving P. minor plants after exposure to herbicide mixtures showed reduced growth and seed production potential. No mixture combination produced phytotoxic effects on wheat plant up to 75% of lethal dose of each mixture component. Mixtures including clodinafop-propargil + metribuzin, pinoxaden + sulfosulfuron and pinoxaden + metribuzin at 100% dose of each mixture component produced minor phytotoxic effects on wheat plants and caused no reduction in terms of ultimate growth and grain yield. However, mixture of sulfosulfuron + clodinafop-propargil at 100% dose of each component was phytotoxic to wheat and caused significant reduction in term of growth and grain yield. So, farmers can use these mixtures even at 75% of recommended dose of mixture component to control susceptible and resistant P. minor in wheat. Keyswords

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Response of wild barley (Hordeum spontaneum) and winter wheat (Triticum aestivum) to sulfosulfuron: The role of degradation

Cited by 8 publications

References 22 publications

Nicosulfuron Absorption, Translocation, and Metabolism in Annual Bluegrass and Four Turfgrass Species

Nicosulfuron Absorption, Translocation, and Metabolism in Annual Bluegrass and Four Turfgrass Species

Selectivity of Iodosulfuron-Methyl to Oat Cultivars

Identifying Optimum Herbicide Mixtures to Manage and Avoid Fenoxaprop-p-Ethyl Resistant Phalaris minor in Wheat

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