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Glyphosate/2,4-D aqueous solution and application in preventing and treating Mikania micrantha thereof

A technology of glyphosate and Mikania micrantha is applied in the directions of herbicides and algicides, applications, biocides, etc., which can solve the problems of high cost of granular herbicides, cumbersome preparation process, insignificant herbicidal effect, etc., and achieves good biological effects, Less dosage, better control effect

Active Publication Date: 2014-05-28
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a mixture of glyphosate herbicides and 2,4-D herbicides to address the shortcomings of the prior art, such as high cost, cumbersome preparation process, and insignificant herbicidal effect of granular herbicides. Glyphosate / 2,4-D water agent

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 5.19% 2,4-D original drug, 3.2% dimethylamine aqueous solution (the mass percentage concentration of dimethylamine in the solution is 30%), 38.3% glyphosate isopropylamine saline solution (glyphosate isopropylamine salt solution in the aqueous solution The mass percent concentration of propylamine salt is 62%), 10% emulsifier GY-ZJ6, add ethanol to make up to 100%, wherein emulsifier GY-ZJ6 is produced by Beijing Guangyuan Yinong Chemical Co., Ltd. 2,4-D and dimethylamine first form a salt (2,4-D dimethylammonium salt), react into a transparent solution, then add glyphosate isopropylamine salt solution, add a small amount of ethanol and mix well, and finally add emulsifier GY - ZJ6, make up 100% with ethanol.

Embodiment 2

[0026] 8.6% 2,4-D technical, 5.3% dimethylamine aqueous solution (dimethylamine mass percentage concentration is 30%), 31.7% glyphosate isopropylamine salt solution (glyphosate isopropylamine salt solution in aqueous solution The mass percentage concentration is 62%), 10% emulsifier GY-ZJ6, add ethanol to make up to 100%. Mixing method is with embodiment 1.

Embodiment 3

[0028] 12.8% 2,4-D technical, 7.9% dimethylamine aqueous solution (the mass percent concentration of dimethylamine is 30%), 23.6% glyphosate isopropylamine salt solution (the mass of glyphosate isopropylamine salt Concentration is 62%), 10% emulsifier GY-ZJ6, add ethanol to make up to 100%. Mixing method is with embodiment 1.

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PUM

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Abstract

The invention discloses a glyphosate / 2,4-D ((2,4-dichlorophenyloxy)acetic acid) aqueous solution and an application in preventing and treating Mikania micrantha thereof. The glyphosate / 2,4-D aqueous solution comprises 2,4-D weeding compound, glyphosate weeding compound, emulsifier, water and ethanol. Compared with other preparations, the aqueous solution is processed easily, and has the characteristics of low phytotoxicity, low toxicity, easy dilution, safe and convenient use, and excellent biological effect. Meanwhile, the glyphosate / 2,4-D aqueous solution weeding compound is provided with significant synergistic effect, the co-toxicity coefficient is higher than 174.49, the synergistic effect is significant, and the function of completely preventing and treating Mikania micrantha is realized when the dose is higher than the 2000ga.i.hm<-2> recommended dose; compared with other weeding agents for preventing and treating Mikania micrantha, the weeding agent provided by the invention has the advantages of low dose and low cost.

Description

technical field [0001] The invention relates to the field of herbicides, in particular to a glyphosate / 2,4-D water agent and its application for controlling Mikania micrantha. Background technique [0002] Mikania micrantha (Mikania micrantha) is a perennial vine of the genus Eupatorium in the Asteraceae family. It is native to Central and South America and has been widely distributed in Southeast Asia. It was introduced to the coastal areas of Guangdong in the late 1980s and has now caused serious damage in the Pearl River Delta. . [0003] Chemical control is one of the main methods to control Mikania micrantha. As early as 1968, Dutta et al. conducted research on chemical control of Mikania micrantha. Ipor and Price subsequently conducted a series of in-depth studies on the chemical control of Mikania micrantha, and discussed the absorption and distribution of herbicides in Mikania micrantha. In recent years, pesticide screening has been carried out for the control of M...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/20A01N39/04A01P13/00
Inventor 陈勇方越沈雪峰张海娟高旭华李战胜肖学明李其勇安静张栋梁
Owner SOUTH CHINA AGRI UNIV
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