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Weeding composition containing metazosulfuron and beflubutamid and application of weeding composition

A herbicidal composition, the technology of flubutyramid, applied in the field of herbicides and pesticides, can solve the problem of incomplete and effective control of weeds in wheat fields, residual toxicity of current crops or subsequent crops, no herbicidal composition has been found, etc. problem, to achieve the effect of improved safety, high safety, and improved weeding effect

Inactive Publication Date: 2017-11-24
SOUTHEAST UNIV CHENGXIAN COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, herbicides in wheat fields are limited by the safety of crops, and their herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in wheat fields. Too long effective period, excessive dosage or uneven application will easily cause residual toxicity to current crops or subsequent crops
The inventor 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 pyrazosulfuron-methyl and flubutyramid has been found.

Method used

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  • Weeding composition containing metazosulfuron and beflubutamid and application of weeding composition
  • Weeding composition containing metazosulfuron and beflubutamid and application of weeding composition
  • Weeding composition containing metazosulfuron and beflubutamid and application of weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1: 35% azinpyrazosulfuron-flubutyrin emulsifiable concentrate (34:1)

[0028] Zinpyrazosulfuron 34%, Flubutafen 1%, Alkylphenol polyoxyethylene ether 4%, Phenethylphenol polyoxyethylene ether 15%, Xylene supplemented to 100%, prepared according to conventional preparation methods The emulsifiable concentrate with a mass percentage content of 35% is obtained.

Embodiment 2

[0029] Example 2: 30% azinpyrazosulfuron-flubutyrin suspension (29:1)

[0030] Zinpyrazosulfuron 29%, Flubutafen 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. According to the conventional preparation method, a suspending agent with a mass percentage of 30% is prepared.

Embodiment 3

[0031] Example 3: 60% azinpyrazosulfuron-flubutyrin water dispersible granules (59:1)

[0032] Zinpyrazosulfuron 59%, flubutyrin 1%, NNO (sodium methylene dinaphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to make up to 100%, according to the conventional Preparation method The preparation method is to prepare water dispersible granules (WDG) with a mass percentage content of 60%.

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Abstract

The invention discloses a weeding composition containing metazosulfuron and beflubutamid and an application of the weeding composition. The weeding composition uses the metazosulfuron and the beflubutamid as main active ingredients, and the mass ratio of the metazosulfuron to the beflubutamid ranges from 1:60 to 60:1. The weeding composition disclosed by the invention can be applied to wheat paddock post-emergence weeding, and especially has a significant effect when being applied to preventing and removing broadleaf and grassy weeds in a wheat paddock. Compared with a single agent, the weeding composition disclosed by the invention can delay the resistance of weeds, has a broad weeding spectrum and a long duration, and is safe for wheat and succession crops on the premise of improving the drug effect.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of herbicides, and particularly relates to a binary compound herbicidal composition containing oxazosulfuron-methyl and flubutyrin, which can be applied to post-emergence weeding in wheat fields. Background technique [0002] Metazosulfuron (metazosulfuron), molecular formula: C15H18ClN707S, belongs to sulfonylurea herbicides, mainly used to control annual broadleaf weeds in wheat fields, paddy fields and some grass weeds such as crabgrass, barnyard grass, etc., It has a good control effect on broad-leaved weeds such as amaranth, amaranth, dwarf cigu, and thistle. The structure is as follows: [0003] [0004] Beflubufamid, chemical name: 2-[4-fluoro-3-(trifluoromethyl)phenoxy]-N-(phenylmethyl)butanamide, belongs to phenoxyamide herbicide agent, structural formula: [0005] [0006] Flubutyrin is a plant growth hormone herbicide. It can promote RNA synthesi...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N39/04A01P13/00
CPCA01N47/36A01N39/04
Inventor 南秋利
Owner SOUTHEAST UNIV CHENGXIAN COLLEGE
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