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A kind of mixed herbicide including fenfentrazone and dimethyltetrachloride and its application

A technology of dimethyltetrachloride and oxentrazone, which is applied in the field of pesticides, can solve the problems of high cost, the influence of active concentration, and the difficulty of widespread promotion of oxentrazone, etc., and achieve long-lasting effect, enhanced effect, and wide weeding spectrum Effect

Active Publication Date: 2018-08-03
江苏欧倍科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, fenfentrazone has a certain activity on unearthed or about to emerge weeds, but the activity is affected by its concentration and soil organic matter content
Moreover, the cost is high, and it is difficult to widely promote the use of fenflumezone alone

Method used

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  • A kind of mixed herbicide including fenfentrazone and dimethyltetrachloride and its application
  • A kind of mixed herbicide including fenfentrazone and dimethyltetrachloride and its application
  • A kind of mixed herbicide including fenfentrazone and dimethyltetrachloride and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Methazone 18%, dimethyltetrachloride 2%, alkylphenol polyoxyethylene ether 4%, polyoxyethylene polyoxypropylene block compound 5%, organic bentonite 2%, vegetable oil to 100%, according to the conventional The preparation method is prepared as an oil suspension concentrate with a mass percent content of 20%.

Embodiment 2

[0028] Mefentrazone 60%, Dimethicone 3%, Sodium Dodecyl Benzene 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 suspension concentrate with a mass percentage of 63%.

Embodiment 3

[0030] Mefentrazone 70%, Dimethicone 2%, Sodium Lignosulfonate 4%, Fatty Acid Polyoxyethylene Ether 2%, Propylene Glycol 5%, Xanthan Gum 0.1%, White Carbon Black 2%, Water Makeup 100% According to the conventional preparation method, it is prepared into a suspending agent with a mass percent content of 72%.

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Abstract

The invention belongs to the technical field of pesticides and provides mixed herbicide containing topramezone and prometryn and application thereof. According to the mixed herbicide, topramezone and prometryn are used as main active ingredients, and the mass ratio of topramezone to prometryn is in a range of 8:1 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 comprising fentrazone and dimethyltetrachloride and an application thereof. Background technique [0002] Chemical herbicides are currently the main method for controlling weeds in corn fields. The widely used corn herbicides include 1. amide herbicides, 2. triazine herbicides, 3. phenoxycarboxylic acid herbicides, 4. Sulfonylurea herbicides, 5. Other herbicides, such as paraquat and glyphosate, but a single use of a certain herbicide often has a narrow herbicidal spectrum, and weeds are prone to drug resistance. Therefore, compounding herbicides is a commonly used method, which requires consideration of the control object, application period and the impact of crops, and a reasonable selection of compounding. [0003] Topramezone, also known as: topramezone, chemical name chemical name: [3-(4,5-dihydro-1,2-oxazol-3-yl)-4-formyl0 -Tolyl](5-hydroxy-1-methylpyra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/80A01P13/00A01N39/04
CPCA01N39/04A01N43/80A01N2300/00
Inventor 郭崇友陈叶青高瑞花白杰万维肖
Owner 江苏欧倍科技有限公司