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Weeding composition containing mesotrione, halosulfuron-methyl and atrazine

A technology for chlorpyrifosulfuron and a herbicidal composition, applied in the field of pesticides, can solve the problems of no relevant reports in the compounding of mesotrione, and achieve the effect of expanding the herbicidal spectrum

Inactive Publication Date: 2015-08-05
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] There is no relevant report on the combination of mesotrione, chlorpyrazosulfuron-methyl, and atrazine

Method used

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  • Weeding composition containing mesotrione, halosulfuron-methyl and atrazine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1: Indoor toxicity test of mesotrione, chlorpyrazosulfuron-methyl, atrazine and their compound against barnyardgrass (Echinochloa crusgalli), crabgrass (Digitaria sanguinalis) and Cyperus rotundus L.

[0016] According to the Colby method to evaluate the combination of herbicides (NY / T 1155.7-2006), the formula is as follows:

[0017] E 0 = A × B × C × . . . N 100 ( n - 1 )

[0018] In the formula:

[0019] A is the fresh weight inhibition rate of target weeds when mesotrione is used alone at a certain dose;

[0020] B is the fresh weight inhibition rate of target weeds when chlorpyrazosulfuron-methyl...

Embodiment 2

[0035] Embodiment 2: (Mesotrione·clopyrazosulfuron-methyl·atrazine water dispersible granule)

[0036]

[0037] Put the above materials together into the conical mixer and mix them evenly, and then crush them through the jet mill, and then mix the crushed materials through the conical mixer. Knead into a plastic material, and finally put this material into an extrusion granulator to extrude and granulate. After granulation, it is dried and sieved to obtain the corresponding weight percentage of mesotrione, chlorpyrazosulfuron, and chloroquine. Dehydration dispersible granules.

Embodiment 3

[0038] Example 3: (Mesotrione · Clopyrazosulfuron · Atrazine wettable powder)

[0039]

[0040] Put the above materials together into the conical mixer and mix them evenly, then pulverize them through the jet mill, and then mix the pulverized materials through the conical mixer. The fineness of the mixed materials is 98% and pass through a 600-mesh standard sieve to obtain the corresponding weight Percentage of Mesotrione · Clopyrazosulfuron · Atrazine WP.

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PUM

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Abstract

The invention relates to a weeding composition containing mesotrione, halosulfuron-methyl and atrazine. The weeding composition comprises effective components mesotrione, halosulfuron-methyl and atrazine at a weight ratio of (1-30):(1-30):(1-50). The weeding composition has synergistic interaction for weeds in corn fields and is applicable to preventing and removing annual weeds in corn fields, the herbicide controlling spectrum can be widened, and the weeding resistance risk can be reduced.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a synergistic response herbicidal composition with mesotrione, chlorpyrazosulfuron-methyl and atrazine as active ingredients, especially for barnyardgrass (Echinochloa crusgalli), crabgrass ( Digitaria sanguinalis) and Cyperus rotundus L. had obvious synergistic responses. Background technique [0002] Mesotrione, also known as Mesotrione, is a triketone ketone herbicide as a systemic agent, absorbed through plant roots and leaves, and conducted in the body to inhibit hydroxyphenylpyruvate dioxygenase, It leads to the accumulation of tyrosine, the cessation of the biosynthesis of plastoquinone and tocopherol, which in turn leads to the decrease of the content of chlorophyll, which causes the chlorosis of plant meristems and causes albino death. It can prevent and control annual broad-leaved weeds and some grass weeds. It can be used for pre-emergence soil surface ...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N41/10A01N43/70
Inventor 王礼文朱刚吴泽伟张志伟陈佛祥
Owner GUANGDONG ZHONGXUN AGRI TECH
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