Composite weeding composition containing clodinafop-propargyl and ethoxysulfuron and application of composite weeding composition
An ethoxysulfuron-methyl and herbicidal composition technology, applied in the fields of herbicides and pesticides, can solve the problem of not being able to completely and effectively control weeds in wheat fields, residual poisoning of current crops or subsequent crops, long field duration, etc. problems, to achieve the effect of improving safety, improving drug efficacy and long-lasting effect
Inactive Publication Date: 2016-03-02
NANJING HUAZHOU PHARMA
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Problems solved by technology
[0008]Currently, herbicides in wheat fields are limited by crop safety, and their herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control weeds in wheat fields In addition, some herbicides are likely to cause residual toxicity to current crops or subsequent crops due to their high water solubility, long field duration, excessive dosage, or uneven application.
Method used
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Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0024] Weigh 34g of clodinafop-propargyl, 1g of ethimethuron-methyl, 4g of alkylphenol polyoxyethylene ether, 15g of phenethylphenol polyoxyethylene ether, and xylene to 100g, and prepare a mass percentage content of 35% EC.
Embodiment 2
[0026] Weigh clodinafop-propargyl 29g, ethimethuron-methyl 1g, sodium methylnaphthalenesulfonate formaldehyde condensate 6g, nonylphenol polyoxyethylene ether 3g, magnesium aluminum silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, 0.2g of silicone oil, and water as the balance, according to a conventional preparation method, it is prepared into a suspension concentrate with a mass percent content of 30%.
Embodiment 3
[0028] Weigh clodinafop-propargyl 59g, ethimethuron-methyl 1g, NNO (sodium methylene dicarbaline sulfonate) 5g, ammonium sulfate 3g, polyvinyl alcohol 2g, and kaolin to 100g, and prepare the mass percentage according to the conventional preparation method Water-dispersible granules with a content of 60%.
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The invention discloses a composite weeding composition containing clodinafop-propargyl and ethoxysulfuron and an application of the composite weeding composition. Clodinafop-propargyl and ethoxysulfuron are adopted as main effective ingredients of the weeding composition, the mass ratio of clodinafop-propargyl to ethoxysulfuron is 1-99:1-99, and the total mass percentage content of clodinafop-propargyl and ethoxysulfuron in the weeding composition ranges from 10% to 80%. The weeding composition can be used for post-emergence weeding of a wheat paddock, and especially has the remarkable effect on preventing and killing graminaceous weeds, cyperaceae weeds and broad-leaved weeds in the wheat paddock. Compared with a single agent, on the premise of improving the pesticide effect, the weeding composition delays weed resistance, and is wide in weeding range, long in lasting period and safe for wheat and afterreap crops.
Description
technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of herbicides, and in particular relates to a binary compound herbicidal composition of clodinafop-propargyl and etoxysulfuron-methyl, which can be applied to post-emergence weeding in wheat fields. Background technique [0002] Clodinafop propargyl, also known as top, chemical name: R-2-[4-(5-chloro-3-fluoro-2-oxypyridine)-phenoxy]-propiolic acid, belongs to phenoxycarboxylic acid herbicide Agent, structural formula: [0003] [0004] Clodinafop-propargyl is an acetyl-CoA carboxylase (ACCase) inhibitor, a systemic conductive herbicide, absorbed by the leaves and leaf sheaths of the plant, conducted by the phloem, and accumulated in the germinal tissues of the plant, inhibiting the carboxylation of acetyl-CoA Enzymes stop the synthesis of fatty acids, the growth and division of cells cannot be carried out normally, the membrane system and other lipid-containing s...
Claims
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IPC IPC(8): A01N47/36A01P13/00A01N43/40
Inventor 扬琴郭崇友张宝俊高瑞花邢刚
Owner NANJING HUAZHOU PHARMA