Results 171 to 180 of about 1,863 (201)
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Clomazone volatilization under varying environmental conditions
Chemosphere, 1996Abstract Velvetleaf ( Abutilon theophrasti Medik.) was used as a bioindicator to examine factors (temperature, soil moisture, soil incorporation) which might influence clomazone {2-[(2-chlorophenyl)methyl] -4,4-dimethyl-3-isoxazolidinone} volatilization.
Martin A Locke +2 more
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Water-seeded rice response to clomazone
, 2022 A study was conducted to evaluate rice cultivar tolerance to clomazone impregnated onto urea fertilizer and applied at the rice pegging (PEG) stage. A second study was conducted to evaluate rice injury, rice yield, and weed control with clomazone applied
Mudge, Christopher Ray
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Weed Science, 1995
The effects of formulation on clomazone volatilization and transport through soil were studied. After 22 days of leaching under unsaturated flow in 49-cm long intact soil cores, greater clomazone movement was observed in Plainfield sand than in Cisne silt loam or Drummer silty clay loam soils.
Todd L. Mervosh +4 more
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The effects of formulation on clomazone volatilization and transport through soil were studied. After 22 days of leaching under unsaturated flow in 49-cm long intact soil cores, greater clomazone movement was observed in Plainfield sand than in Cisne silt loam or Drummer silty clay loam soils.
Todd L. Mervosh +4 more
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Microbial Transformations of Clomazone
Journal of Agricultural and Food Chemistry, 1996Common soil fungi and bacteria were screened for their abilities to biotransform the herbicide clomazone (2-[(2-chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidinone) into metabolites. Preparative-scale incubations were conducted with Aspergillus niger (UI-X172) and Cunninghamella echinulata (NRRL-3655) to obtain metabolites in sufficient quantities for ...
Song Yu Liu +2 more
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Metabolism of clomazone herbicide in soybean
Journal of Agricultural and Food Chemistry, 1992The metabolism of 2-[(2-chlorophenyl) methyl]-4,4-dimethyl-3-isoxazolidinone (clomazone) was studied in soybean plants grown in the greenhouse using 14C-radiolabeled clomazone at 1.1 and 2.2 kg of ai/ha. Isolation and identification of clomazone metabolites from soybean plants at 30 and 60 days after treatment indicated that the major metabolic ...
Shaaban F. ElNaggar +4 more
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Environmental Fate and Toxicology of Clomazone
2013Clomazone, an isoxazolane herbicide, was first registered for use in 1986 for pest grasses and broad leaf weeds. Although the exact mode of action is still unclear, it is well documented that clomazone causes bleaching of foliar structures; the clomazone metabolite 5-ketoclomazone is regarded to cause the bleaching and to be the ultimate plant toxicant.
April R, Van Scoy, Ronald S, Tjeerdema
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Clomazone Dissipation in Two Tennessee Soils
Weed Science, 1996Clomazone dissipation in soil was examined in field and laboratory experiments. Field studies suggested a potential for injury to rotational crops such as wheat. Field half-lives were 5 to 29 d (average of 9 field studies was 19 d) for the Etowah clay loam (fine-loamy, siliceous, thermic typic Paleudult) and Lily loam (fine-loamy, siliceous, thermic ...
K. Bruce Kirksey +4 more
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Investigation of clomazone‐tolerance mechanism in a long‐grain cultivar of rice
Pest Management Science, 2021Abstract BACKGROUND Clomazone is a potent herbicide for controlling weeds that have evolved resistance to other herbicides due to its unique mode of action. Clomazone is used in rice cultivation, but is limited to long‐grain cultivars because other cultivars are highly sensitive to it.
Feng Guo +6 more
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Adsorption of Clomazone on Soils, Sediments, and Clays
Weed Science, 1989Regression analysis of clomazone adsorption on 19 soils and sediments yielded a positive correlation and linear relationship between distribution adsorption constants (Kd) and soil organic carbon content. The agreement of the experimental mean Kocwith Kocvalues predicted from the octanol-water partition coefficient and water solubility of clomazone ...
Mark M. Loux +2 more
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Biochemical effects of clomazone herbicide on piava (Leporinus obtusidens)
Chemosphere, 2008This study aims to verify the effects of the clomazone concentration used in rice fields on acetylcholinesterase (AChE), thiobarbituric acid reactive substances (TBARS), protein carbonyl and catalase activity in tissues of piava (Leporinus obtusidens).
Denise dos Santos, Miron +6 more
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