Adsorption and degradation of sulfosulfuron in soils

Maheswari, S.; Ramesh, Atmakuru

doi:10.1007/s10661-006-9263-0

Cited by 26 publications

(20 citation statements)

References 12 publications

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“…Because metsulfuron-methyl is heavily employed in fields throughout the world, including in China, extensive studies have focused on the environmental behavior and the degradation mechanism of metsulfuron-methyl under laboratory or field conditions (Anderson et al 1989;Samanta et al 1999;Cedergreen et al 2004;Yu et al 2005;Maheswari and Ramesh 2007;Sondhia 2008;Zanini et al 2009). Although metsulfuronmethyl is expected to be a promising herbicide for weed control with low acute animal toxicity, it has been reported that it could persist in the soil for more than one growing season and that it may affect plant reproduction and crop yields (Gevao et al 2000;Li et al 2005; Barriuso et al 2008).…”

Section: Introductionmentioning

confidence: 99%

Monitoring of metsulfuron-methyl and its residues in an artificial pond

Wang

Yang

Liu

et al. 2010

Environ Monit Assess

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The behavior of metsulfuron-methyl and its residues in an artificial pond was studied using a (14)C isotopic tracer technique. Throughout the experimental period, the majority of metsulfuron-methyl residues were sustained in the pond water. Furthermore, the metsulfuron-methyl residues were just found in the surface layer of the sediment, and the transfer distance of these residues had only reached 9-12 cm by the end of the experiment. The extract residues of metsulfuron-methyl in sediment were slightly higher than those of the bound residues (BR) during the initial experiment stage, while the BR dominated the surface sediment after 45 days. Finally, the metsulfuron-methyl residues could be combined with humus in the surface sediment, and the distribution of metsulfuron-methyl residues in fulvic acid was significantly higher than that in humic acid.

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Section: Introductionmentioning

confidence: 99%

Monitoring of metsulfuron-methyl and its residues in an artificial pond

Wang

Yang

Liu

et al. 2010

Environ Monit Assess

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“…The key components to SUs are two moieties (R1 and R2) on either side of a sulfonylurea bridge. Generally, the moieties are composed of an aryl group, a pyrimidine ring, or a triazine ring [35,36]. Variation in herbicidal activity occurs by substitutions made to branches on these rings.…”

Section: Acetolactate Synthase (Als) Herbicidesmentioning

confidence: 99%

Winter Wheat Response to Weed Control and Residual Herbicides

Grey¹,

Newsom²

2017

Wheat Improvement, Management and Utilization

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Italian ryegrass has become one of the most common and troublesome weeds of wheat production in the Southern United States. There are multiple reports in this region of Italian ryegrass herbicide resistance to acetyl-CoA carboxylase (ACCase), acetolactate synthase (ALS), and glyphosate herbicides. One commonality for Italian ryegrass resistance in this area is that most of these mechanisms of action for these herbicides are all postemergence (POST) applied. In order to have profitable soft red winter wheat production, applications of preemergence (PRE) herbicides with residual control of Italian ryegrass and other winter weed species would benefit growers. There are a very limited number of herbicides that can be applied at the time of wheat planting, primarily only when pyroxasulfone is registered for this timing. Research was conducted to establish weed control information when herbicides were applied to soft red winter wheat PRE, at wheat emergence (AE), or POST at Feekes stages 1.0-1.9, depending on herbicide label recommendations. Injury from any pyroxasulfone PRE treatments up to 120 g a.i. ha −1 was transient and did not affect wheat yield for any experiment. Italian ryegrass control was variable depending on location and year. Susceptible and diclofop-resistant Italian ryegrass control was 86% or greater with pyroxasulfone at 60 g a.i. ha −1 and greater with applied PRE. Italian ryegrass control was variable ranging from 27 to 49% with pendimethalin ME-applied PRE, diclofop at Feekes sage 1.0, and pinoxaden applied at Feekes stage 1.9.

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“…Sulfosulfuron which is a new sulfonylurea herbicide, is used to control weeds in different agricultural crops and wheat (Parrish et al, 1995). These new herbicides have an extensive range of soil residual characteristics that must help with meeting specific agricultural requirements (Maheshwari and Ramesh, 2007). Sulfonylurea herbicides consist of 3 distinct parts: a sulfonylurea bridge, an aryl group and an S-triazine group.…”

Section: Introductionmentioning

confidence: 99%

Comparision of HPLC and Bioassay Methods for Analysis of Sulfosulforun Residues in Wheat Field Soil

Kazemi¹

2017

Appl. Ecol. Env. Res.

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Abstract. Sulfosulfuron, a new sulfonylurea herbicide, is used to control certain broadleaf and grass weed species in wheat fields. Herbicides, when applied to the field may leave unwanted residues in the soil. Bioassay and chemical assay techniques are main methods for monitoring herbicides levels in agricultural soils. Thus, a set of field and greenhouse experiments was established to evaluate the reliability and accuracy of HPLC and bioassay techniques to detect sulfosulfuron residues in the soil of the wheat field. The experiment was conducted in a randomized complete block design with three treatments in three replications for each treatment in 2014-2015 and 2015-2016 growing seasons at Marvdasht location. Herbicide treatments included: sulfosulfuron (apirus) at 26.6 and 53.2 g a.i. ha -1 rates and no-herbicide control. Herbicide was sprayed at the end of tillering stage of wheat in a field experiment. Samples were collected randomly with an auger from 0-10 cm depth at different times i.e. 0, 3, 10, 20, 30, 60, 90 and 125 days after herbicide spray. The bioassay experiment showed that root parameter was more sensitive to sulfosulfuron as compared with the shoot. According to the results, among the studied plants, garden cress was recognized as the most sensitive plant to different rates of sulfosulfuron herbicide. At recommended (26.6 g a.i. ha−1) and double (53.2 g a.i. ha -1 ) rates of application sulfosulfuron residues were detected up to 60 and 90 days after treatment by HPLC and bioassay techniques in both years, respectively. According to the bioassay and HPLC techniques at two rates of application, residues decreased with time in 2014 and 2015.

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Adsorption and degradation of sulfosulfuron in soils

Cited by 26 publications

References 12 publications

Monitoring of metsulfuron-methyl and its residues in an artificial pond

Monitoring of metsulfuron-methyl and its residues in an artificial pond

Winter Wheat Response to Weed Control and Residual Herbicides

Comparision of HPLC and Bioassay Methods for Analysis of Sulfosulforun Residues in Wheat Field Soil

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