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Mixed herbicide containing topramezone and clopyralid and application thereof

A technology of clopyralid acid and oxaflutole, which is applied in the field of pesticides, can solve the problems of poor herbicidal effect, the influence of active concentration and soil organic matter content, etc. Effect

Active Publication Date: 2016-04-13
JINAN YINONG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Applied after corn seedlings, absorbed by roots, seedlings, and leaves, and transmitted to the top and base of the plant to the meristem, resulting in albinism of germinated sensitive weeds, accompanied by growth inhibition. Under photosynthesis, the symptoms of damage are similar to chlorosis The tissue necrosis of sensitive target weeds will cause bleaching symptoms within 2-5 days after treatment, and the plants will die within 14 days. It has certain activity against unearthed or about to be unearthed weeds, but the activity is affected by its concentration and soil organic matter content. Oxentrazone has been reported to be less effective against broadleaf weeds in some areas

Method used

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  • Mixed herbicide containing topramezone and clopyralid and application thereof
  • Mixed herbicide containing topramezone and clopyralid and application thereof
  • Mixed herbicide containing topramezone and clopyralid and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] 20% of fenpyrazone, 1% of clopyralid, 4% of alkylphenol polyoxyethylene ether, 5% of polyoxyethylene polyoxypropylene block compound, 2% of organic bentonite, up to 100% of vegetable oil, according to the conventional Preparation method: It is prepared as an oil suspension concentrate with a mass percent content of 21%.

Embodiment 2

[0028] Mefentrazone 50%, Clopyralid 2%, Sodium Dodecylbenzene Sulfonate 2%, Alkylphenol Polyoxyethylene Ether Phosphate 5%, Propylene Glycol 5%, Xanthan Gum 0.1%, Water to 100 %, according to the conventional preparation method, it is prepared into a suspending agent with a mass percent composition of 52%.

Embodiment 3

[0030] Mefentrazone 60%, Clopyralid 2%, Sodium Lignosulfonate 4%, Fatty Acid Polyoxyethylene Ether 2%, Propylene Glycol 5%, Xanthan Gum 0.1%, Silica 2%, Water Makeup 100% According to the conventional preparation method, it is prepared into a suspension concentrate with a mass percentage of 62%.

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Abstract

The invention belongs to the technical field of pesticides and provides mixed herbicide containing topramezone and clopyralid and application thereof. According to the mixed herbicide, topramezone and clopyralid are used as main active ingredients, and the mass ratio of topramezone to clopyralid is in a range of 1:1 to 900:1. The application of the mixed herbicide in weeding in corn fields, in particular the application in preventing and killing various gramineous, cyperaceae and broad-leaved weeds which have come up or are about to come up, is remarkable in effect. Compared with a single agent, the herbicide has the advantages that on the premise that the herbicide effect is improved, the weed resistance is retarded, the weeding range is wide, the lasting period is long, and the herbicide is safe to corn.

Description

Technical field [0001] The invention belongs to the technical field of pesticides and relates to a mixed herbicide including oxatrione and clopyralid and its application. Background technique [0002] Corn is an important food crop in my country. There are more than 30 types of weeds in corn fields. Currently, commonly used herbicides include amide herbicides, triazobenzene herbicides, phenoxycarboxylic acid herbicides, and sulfonylurea herbicides. agents and other herbicides. The single use of a certain herbicide has shortcomings such as weed resistance, crop damage, narrow herbicidal spectrum, and long residual time. Therefore, compound herbicides are the current research direction. [0003] Topramezone, also known as: Topramezone, chemical name Chemical name: [3-(4,5-dihydro-1,2-oxazole-3-yl)-4-formyl0 -Tolyl](5-hydroxy-1-methylpyrazol-4-yl)methanone is a new hydroxyphenyl pyruvate dioxygenase inhibitor (HPPD) herbicide and a broad-spectrum post-emergence herbicide. It ...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N43/40A01P13/00
CPCA01N43/40A01N43/80A01N2300/00
Inventor 赵东亚高瑞花杨琴石振龙万维肖
Owner JINAN YINONG CHEM
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