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Weeding compound containing pyraclonil and ethoxysulfuron and application thereof

A herbicidal composition, the technology of ethoxysulfuron, is applied in the fields of herbicides and pesticides, and can solve the problem that the weeds in paddy fields cannot be completely and effectively controlled, the residual poisoning of current crops or subsequent crops, and the herbicidal composition has not yet been found. problems, to achieve the effect of improving safety, improving drug efficacy, and reducing resistance

Inactive Publication Date: 2017-06-20
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At present, herbicides in paddy fields are limited by the safety of crops, and the herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in paddy fields. Too long effective period, excessive dosage or uneven application will easily cause residual toxicity to current crops or subsequent crops
The inventors have found through research that the synergistic combination of herbicides is an effective measure to expand the weed control spectrum and improve the control effect. So far, no herbicidal composition related to the combination of fenfenpyr and etoxysulfuron-methyl has been found.

Method used

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  • Weeding compound containing pyraclonil and ethoxysulfuron and application thereof
  • Weeding compound containing pyraclonil and ethoxysulfuron and application thereof
  • Weeding compound containing pyraclonil and ethoxysulfuron and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1: 35% Ethoxysulfuron-difenpyr EC (34:1)

[0027] Ethoxysulfuron-methyl 34%, bisendenil 1%, alkylphenol polyoxyethylene ether 4%, phenethylphenol polyoxyethylene ether 15%, xylene supplemented to 100%, prepared according to conventional preparation methods The mass percent composition is 35% emulsifiable concentrate.

Embodiment 2

[0028] Example 2: 30% Ethoxysulfuron-difenpyr Suspending Concentrate (29:1)

[0029] Ethoxysulfuron-methyl 29%, Difenpyr 1%, Sodium Naphthalene Sulfonate Formaldehyde Condensate 6%, Nonylphenol Polyoxyethylene Ether 3%, Magnesium Aluminum Silicate 0.5%, Ethylene Glycol 7%, 2% of tributyl phosphate, 0.2% of silicone oil, and the balance of water are formulated into a suspending agent with a mass percentage of 30% according to a conventional preparation method.

Embodiment 3

[0030] Example 3: 60% Ethoxysulfuron-difenpyr water-dispersible granules (59:1)

[0031] Ethoxysulfuron-methyl 59%, bisacenazole 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin supplemented to 100%, according to the conventional preparation Methods Prepare water dispersible granules (WDG) with a mass percentage of 60%.

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Abstract

The invention discloses a herbicidal composition containing fenpyrafen and ethisulfuron-methyl and an application thereof. The mass ratio of fenpyrax to fenpyramid is 1:60-60:1. The herbicidal composition of the present invention can be used for weeding in paddy fields, especially for controlling gramineous, sedge and broad-leaved weeds in paddy fields and has remarkable effects. Compared with a single dose, the herbicidal composition of the present invention delays weed resistance, has a wide herbicidal spectrum, long duration of action and is safe to rice and subsequent crops under the premise of improving the efficacy of a single agent.

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 herbicidal composition containing dipacenil and etoxysulfuron-methyl and an application thereof. Background technique [0002] pyraclonil. Chemical name: 1-(3-chloro-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-2-yl)-5-[methyl(prop-2-ynyl) Amino]pyrazole-4-carbonitrile, the structural formula is: [0003] [0004] Difenpyril is a herbicide for paddy fields, which is a novel structural compound with a pyrazolopyridine ring discovered by German Schilling Company (now Bayer Company). The broad-leaved weeds such as Yinglin, Niu felt, broad-leaved weeds Psyllium sylvestris, Moshangcai, and perennial wild arrowhead mushrooms and water chestnuts have high activity. [0005] Ethoxysulfuron-methyl, chemical name: 1-(4,6-dimethoxypyrimidin-2-yl)-3-(2-ethoxyphenoxysulfonyl)urea, belongs to sulfonylurea herbicides, Structural form...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/90A01P13/00
CPCA01N47/36A01N43/90A01N2300/00
Inventor 邢刚陈叶青石振龙万维肖高瑞花
Owner NANJING HUAZHOU PHARMA
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