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Novel composite herbicide and application thereof

A compound herbicide, a new type of technology, applied in the directions of herbicides and algaecides, applications, biocides, etc., can solve problems such as uneven emergence of weeds, and achieve long storage time, simple production process, and enhanced efficacy. Effect

Inactive Publication Date: 2016-10-26
河南中天恒信生物化学科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Herbicides refer to agents that can completely or selectively kill weeds, also known as herbicides, a class of substances used to eliminate or inhibit plant growth, among which sodium chlorate, borax, arsenate, trichlor Acetic acid has a deadly effect on any kind of plant. Its effect is affected by three factors: herbicide, plant and environmental conditions. According to its effect, it can be divided into killing and selective herbicides. Most of the derivatives of phenol and carbamic acid are effective. The development of herbicides in the world is gradually stabilizing. The main development is the varieties with high efficiency, low toxicity, broad spectrum and low dosage. It is one of the main means of controlling weeds in agriculture. In recent years, due to the large-scale use of some herbicide varieties alone, many weeds have developed resistance. Mixed weeds, herbs, vines and shrubs, and the emergence of weeds is uneven, and seeds, young and old weeds occur alternately, so when the herbicide species are used alone, they will show some defects and limitations

Method used

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  • Novel composite herbicide and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0014] The proportion of ingredients used is: 5 parts of cyhalofop-ethyl, 8 parts of isoxaflutole, 1 part of mesotrione, 10 parts of ethoxysulfuron-methyl, 10 parts of surfactant, 10 parts of polar organic solvent, high-efficiency 7 parts of fluroxyfop, 10 parts of clethodim, 2 parts of synergist, 7 parts of fenflurazone, 3 parts of quinclorac, 5 parts of p-chloro-3,5-dimethylphenol, 2, 7 parts of 2-dibromo-3-nitrilopropionamide and 3 parts of s-triazine fungicide.

[0015] The preparation method of the present embodiment comprises the following steps:

[0016] A. Add cyhalofop-ethyl, isoxaflutole, mesotrione, ethoxysulfuron-methyl and 1 / 3 polar organic solvent into the reaction kettle, and use mechanical stirring after adding, the stirring speed is 1000 rpm, Stirring time is 15min, obtains A mixture;

[0017] B. Add surfactant, haloxyfop-p-fop, clethodim, synergist, fenflumetrione to the mixture of A, heat up the reaction kettle after adding it, raise the temperature to 45°...

Embodiment 2

[0020] The proportion of ingredients used is: 6 parts of cyhalofop-ethyl, 9 parts of isoxaflutole, 2 parts of mesotrione, 11 parts of ethoxysulfuron-methyl, 11 parts of surfactant, 11 parts of polar organic solvent, high-efficiency 8 parts of fluroxyfop, 12 parts of clethodim, 3 parts of synergist, 9 parts of fenflurazone, 4 parts of quinclorac, 6 parts of p-chloro-3,5-dimethylphenol, 2, 8 parts of 2-dibromo-3-nitrilopropionamide and 4 parts of s-triazine fungicide.

[0021] The preparation method of the present embodiment comprises the following steps:

[0022] A. Add cyhalofop-ethyl, isoxaflutole, mesotrione, ethoxysulfuron-methyl and 1 / 3 polar organic solvent into the reaction kettle, and mechanically stir after adding, the stirring speed is 1200 rpm, Stirring time is 18min, obtains A mixture;

[0023] B. Add surfactant, haloxyfop-p-fop, clethodim, synergist, fenflumetrione to the mixture of A, heat up the reaction kettle after adding it, raise the temperature to 45°C, ke...

Embodiment 3

[0026] The proportion of ingredients used is: 7 parts of cyhalofop-ethyl, 10 parts of isoxaflutole, 3 parts of mesotrione, 14 parts of ethoxysulfuron-methyl, 14 parts of surfactant, 19 parts of polar organic solvent, high-efficiency 11 parts of fluroxyfop, 18 parts of clethodim, 5 parts of synergist, 15 parts of fenpyrazone, 7 parts of quinclorac, 11 parts of p-chloro-3,5-dimethylphenol, 2, 14 parts of 2-dibromo-3-nitrilopropionamide and 5 parts of s-triazine fungicide.

[0027] The preparation method of the present embodiment comprises the following steps:

[0028] A. Add cyhalofop-ethyl, isoxaflutole, mesotrione, ethoxysulfuron-methyl and 1 / 3 polar organic solvent into the reaction kettle, and use mechanical stirring after adding, the stirring speed is 1800 rpm, Stirring time is 30min, obtains A mixture;

[0029] B. Add surfactant, haloxyfop-p-fop, clethodim, synergist, fenflumetrione to the mixture of A, heat up the reaction kettle after adding it, raise the temperature t...

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Abstract

The invention discloses a novel composite herbicide and an application thereof. The composite herbicide is prepared from the following components in parts by weight: 5 to 10 parts of cyhalofop butyl, 8 to 14 parts of isoxaflutole, 1 to 4 parts of mesotrione, 10 to 15 parts of ethoxysulfuron, 10 to 15 parts of surfactant, 10 to 20 parts of polarity organic solvents, 7 to 12 parts of haloxyfop-R-methyl, 10 to 20 parts of clethodim, 2 to 6 parts of synergist, 7 to 17 parts of topramezone, 3 to 8 parts of quinclorac, 5 to 12 parts of p-chlorine-3,5-dimethyl phenol, 7 to 15 parts of 2,2-dibromo-3-nitrilopropionamide and 3 to 6 parts of s-triazine mildew preventive. According to the novel composite herbicide, a manufacturing process is simple and environmental without pollution, the prepared composite herbicide has the advantages of safety, no toxicity, no damage to crops, long effect and long storage time, and the effect is not reduced.

Description

technical field [0001] The invention relates to the technical field of pesticide compounding, in particular to a novel compound herbicide and its application. Background technique [0002] Herbicides refer to agents that can completely or selectively kill weeds, also known as herbicides, a class of substances used to eliminate or inhibit plant growth, among which sodium chlorate, borax, arsenate, trichlor Acetic acid has a deadly effect on any kind of plant. Its effect is affected by three factors: herbicide, plant and environmental conditions. According to its effect, it can be divided into killing and selective herbicides. Most of the derivatives of phenol and carbamic acid are effective. The development of herbicides in the world is gradually stabilizing. The main development is the varieties with high efficiency, low toxicity, broad spectrum and low dosage. It is one of the main means of controlling weeds in agriculture. In recent years, due to the large-scale use of so...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N39/04A01N41/10A01N43/40A01N35/10A01N43/80A01N43/42A01P13/00
CPCA01N47/36A01N35/10A01N39/04A01N41/10A01N43/40A01N43/42A01N43/80A01N2300/00
Inventor 吴宏博
Owner 河南中天恒信生物化学科技有限公司
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