Results 161 to 170 of about 2,461 (194)

[The transferability of acetochlor and butachlor in soil].

Huan jing ke xue= Huanjing kexue, 2002
The transferability of acetochlor and butachlor in soil was studied by soil thin layer chromatography. Acetochlor and butachlor were dropped on the glass plate and spreaded soil on the glass plate was collected per 2 cm, then acetochlor and butachlor were analyzed quantitatively by HPlC. When river water was as the spread solution, Rf(relative flow) of
H, Zheng, C, Ye
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Photodegradation Rate and Products of Acetochlor in Aqueous Solution

2008 2nd International Conference on Bioinformatics and Biomedical Engineering, 2008
Photodegradation of acetochlor [2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphe myl) acetamide] was carried out in water and water-H2O2 solution under high pressure mercery lamp(HPML) or sunlight illuminating. The result shown that the photodegradation of acetochlor followed the first-order kinetics.
Rimao Hua, Li Xu, Yongde Yue, Feng Tang, Xuede Li, Xiangwei Wu   +5 more
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Microbial and Photolytic Degradation of the Herbicide Acetochlor

International Journal of Environmental Analytical Chemistry, 2000
Abstract Time-course of the microbial degradation of the herbicide acetochlor was studied in commercial black mold and products of degradation were followed using gas chromatography-mass spectrometry (GC-MS). After 1-year-exposure in soil only 9% of the parent molecule was found and two metabolites were identified. The estimated half-life (t1/2) of the
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Fluridone and acetochlor cause unacceptable injury to pumpkin

Weed Technology, 2019
AbstractResidual herbicides are routinely applied to control troublesome weeds in pumpkin production. Fluridone and acetochlor, Groups 12 and 15 herbicides, respectively, provide broad-spectrum PRE weed control. Field research was conducted in Virginia and New Jersey to evaluate pumpkin tolerance and weed control to PRE herbicides. Treatments consisted
J. Harrison Ferebee, Charles W. Cahoon, Thierry E. Besançon, Michael L. Flessner, David B. Langston, Thomas E. Hines, Hunter B. Blake, M. Carter Askew   +7 more
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Photochemical degradation of acetochlor.

Acta biologica Hungarica, 1995
Photochemical degradation of acetochlor--2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methyl-phenyl)- acetamid--was studied at ambient temperature. The herbicide was irradiated by UV-light in methanol and water-methanol solvent mixture. It was found that the photodecomposition of acetochlor obeys first order kinetics under the condition of photolysis.
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Current insights into environmental acetochlor toxicity and remediation strategies

Environmental Geochemistry and Health
Acetochlor is a selective pre-emergent herbicide that is widely used to control annual grass and broadleaf weeds. However, due to its stable chemical structure, only a small portion of acetochlor exerts herbicidal activity in agricultural applications, while most of the excess remains on the surfaces of plants or enters ecosystems, such as soil and ...
Wen-Juan, Chen, Shao-Fang, Chen, Haoran, Song, Zeren, Li, Xiaofang, Luo, Xidong, Zhang, Xiaofan, Zhou   +6 more
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Evaluation of the mutagenicity of acetochlor to male rat germ cells

Mutation Research/Genetic Toxicology and Environmental Mutagenesis, 1997
Male rat dominant lethal (DL) assays conducted on the herbicide acetochlor are described. Single dose studies conducted at the maximum tolerated dose (MTD, < or = 1000 mg/kg) produced no effects on any of the DL assay parameters at any of the ten weekly sampling periods. It is concluded that acetochlor is non-mutagenic to rat germ cells. Due to initial
J, Ashby, H, Tinwell, P A, Lefevre, J, Williams, L, Kier, I D, Adler, M J, Clapp   +6 more
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Effect of soil and sediment composition on acetochlor sorption and desorption

Environmental Science and Pollution Research, 2009
Herbicide fate and its transport in soils and sediments greatly depend upon sorption-desorption processes. Quantitative determination of herbicide sorption-desorption is therefore essential for both the understanding of transport and the sorption equilibrium in the soil/sediment-water system; and it is also an important parameter for predicting ...
Edgar, Hiller, Slavomír, Cernanský, Zoltán, Krascsenits, Ján, Milicka   +3 more
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Absorption and distribution of flurazole and acetochlor in grain sorghum

Pesticide Biochemistry and Physiology, 1986
Abstract The site of uptake, absorption, and distribution of a safener, flurazole [2-chloro-4-(trifluoromethyl)-5-thiazolecarboxylic acid, (phenylmethyl ester)], and a herbicide, acetochlor [2-chloro- N -(ethoxymethyl)-6′-ethyl- O -acetoluidide], in grain sorghum [ Sorghum bicolor (L.) Moench “G-522 DR”] were investigated in laboratory and growth ...
Lucinda A. Jackson, John H. Yopp, George Kapusta   +2 more
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Effect of acetochlor on the symbiotic relationship between microalgae and bacteria

Journal of Hazardous Materials
In this study, two strains of symbiotic bacteria (SOB-1 and SOB-2) were isolated from Scenedesmus obliquus, and various algal-bacterial mutualistic systems were established under acetochlor (ACT) stress conditions. Following exposure to varying ACT concentrations from 2.0 to 25.0 μg/L, the capacity for co-cultured bacteria to degrade ACT was enhanced ...
Zikang, Wang, Simin, Yu, Yufan, Nie, Ran, Liu, Wentao, Zhu, Zhiqiang, Zhou, Yongqiang, Ma, Jinling, Diao   +7 more
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