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Mixed herbicide comprising topramezone and metolachlor and application thereof

A technology of metolachlor and fenflumezone, which is applied in the field of pesticides, can solve problems such as unstable effects, and achieve the effects of prolonging service life, wide weeding spectrum, and long-lasting effect

Inactive Publication Date: 2016-04-27
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the effect of simply using fenflumezone to remove unearthed or about to be unearthed weeds in the cornfield is unstable, and to provide an efficient and safe mixed herbicide

Method used

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  • Mixed herbicide comprising topramezone and metolachlor and application thereof
  • Mixed herbicide comprising topramezone and metolachlor and application thereof
  • Mixed herbicide comprising topramezone and metolachlor and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Mefentrazone 5%, metolachlor 15%, alkylphenol polyoxyethylene ether 4%, polyoxyethylene polyoxypropylene block compound 5%, thickener 2%, vegetable oil to 100%, according to The conventional preparation method is prepared into an oil suspension concentrate with a mass percent content of 20%.

Embodiment 2

[0027] 10% fenflumezone, 30% metolachlor, 2% calcium dodecylbenzenesulfonate, 5% alkylphenol polyoxyethylene ether phosphate, capsule skin material (gelatin and gum arabic or urea-formaldehyde resin ) 5%, propylene glycol 5%, xanthan gum 0.1%, water to 100%, according to the conventional preparation method, be mixed with the microcapsule suspension that mass percent content is 40%.

Embodiment 3

[0029] Mefentrazone 30%, metolachlor 10%, sodium lignosulfonate 4%, fatty acid polyoxyethylene ether 2%, propylene glycol 5%, xanthan gum 0.1%, vegetable oil 10%, white carbon black 2% , supplemented with 100% water, and prepared into a suspoemulsion with a mass percent content of 40% according to a conventional preparation method.

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Abstract

The invention belongs to the technical field of pesticides, and provides a mixed herbicide comprising topramezone and metolachlor and an application thereof. The mixed herbicide takes topramezone and metolachlor as main effective components, wherein the mass ratio of topramezone to metolachlor is 1:15 to 8:1. The mixed herbicide has a significant effect on application in corn field weeding, especially application in prevention and removal of various gramineae, cyperaceae and broadleaf weeds which come up out of the ground or are about to come up out of the ground. Compared with single agents, the mixed herbicide delays the weed resistance in the premise of improving the pesticide effect, has the advantages of wide weeding spectrum and long effective duration, and is safe to corn.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a mixed herbicide comprising fenfentrazone and metolachlor and an application thereof. Background technique [0002] Farmland chemical herbicides have reduced the labor intensity of weed control in farmland. It can be traced back to the end of the 19th century. When controlling downy mildew in European grapes, it was occasionally found that Bordeaux mixture could harm some cruciferous weeds without harming cereal crops. . According to the mode of action, it can be divided into (1) selective herbicides: herbicides have different degrees of resistance to different types of seedlings, and this agent can kill weeds, but is harmless to seedlings; (2) destructive herbicides: Herbicides are toxic to all plants, and as long as they touch the green parts, regardless of seedlings and weeds, they will be injured or killed. It is mainly used before sowing, before emergence after sowing, a...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01P13/00A01N37/22
CPCA01N43/80A01N37/22A01N2300/00
Inventor 杨琴郭崇友赵东亚白杰邢刚
Owner NANJING HUAZHOU PHARMA
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