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Herbicide composition containing ethoxysulfuron

A technology of ethoxsulfuron and herbicide, applied in the field of pesticides, can solve problems such as poor selectivity of wet-planting rice, and achieve the effects of expanding the weed control spectrum, excellent control effect and good weed control effect.

Inactive Publication Date: 2020-05-12
ZHEJIANG TIDE CROP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This product has poor selectivity to wet-inserted rice when it is applied alone, but it has excellent selectivity to in-line rice when it is used together with chlorpyrifos

Method used

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  • Herbicide composition containing ethoxysulfuron
  • Herbicide composition containing ethoxysulfuron
  • Herbicide composition containing ethoxysulfuron

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1、30

[0074] Example 1, 30% penoxsulam · ethoxysulfuron. Preparation of Pretilachlor Suspension Concentrate

[0075] According to the formulation requirements, 5 parts of penoxsulam, 10 parts of ethoxysulfuron, 15 parts of pretilachlor, 3 parts of octylphenol polyoxyethylene ether sulfate, 6 parts of Morwet EFW, 4 parts of lignosulfonic acid Sodium, 5 parts of phenylphenol polyoxyethyl ether, 0.1 part of xanthan gum, 0.2 part of white carbon black, 5 parts of ethylene glycol, 0.05 part of SAG1522, make up to 100% with water, add to the mixing tank in turn and mix, first Coarsely pulverized and homogenized by high shearing, then pumped into a sand mill for fine grinding, and the particle size of the sand-milled material is detected by a particle size distribution meter. When the particle size meets the standard requirements, it can be filtered to obtain 30% five Flusulam · Ethoxysulfuron. pretilachlor suspension.

Embodiment 2、20

[0076] Example 2, 20% penoxsulam · ethoxysulfuron. Preparation of Pretilachlor Water Emulsion

[0077] According to the formula requirements, 2 parts of penoxsulam, 7 parts of ethoxysulfuron, 11 parts of pretilachlor, 4 parts of phenylphenol polyoxyethyl ether phosphate, 8 parts of phenylphenol polyoxyethyl ether , 5 parts of fatty alcohol polyoxyethylene ether, 10 parts of methyl isobutyl ketone, 0.2 parts of SAG1522, and 5 parts of xylene are added to the mixing kettle, stirred and mixed to dissolve into a uniform oil phase, and the remaining Water (make up to 100%) is added to the oil phase to obtain 20% penoxsulam·ethoxysulfuron-methyl with good dispersibility. Pretilachlor water emulsion.

Embodiment 3、40

[0078] Example 3, 40% penoxsulam · ethoxysulfuron. Preparation of pretilachlor wettable powder

[0079] According to the formula requirements, 2 parts of penoxsulam, 8 parts of ethoxysulfuron-methyl, 30 parts of pretilachlor, 2 parts of alkyl alcohol polyoxyethylene ether sodium sulfate, and 4 parts of alkyl naphthalene sulfonic acid polycondensate Sodium salt, 4 parts of calcium lignosulfonate, 5 parts of white carbon black, and light calcium carbonate are supplemented to 100% and fully mixed. After being pulverized by an ultra-fine pulverizer, 40% of penoxsulam · ethoxysulfuron is obtained ﹒ Pretilachlor wettable powder.

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Abstract

The invention belongs to the field of herbicides, and relates to a herbicide composition containing ethoxysulfuron. The herbicide composition is characterized in that the herbicide composition contains three active components A, B and C, the active component A is ethoxysulfuron, the active component B is penoxsulam, the active component C is pretilachlor, and the weight ratio of penoxsulam to ethoxysulfuron to pretilachlor is (1.25-5):(5-35):(100-600). The components are reasonable, the control effect of the herbicide composition prepared by mixing the three components is superior to the activity of each component when the components are independently applied, the weed control spectrum of the rice field is expanded, most of weeds in the rice field can be effectively prevented and killed, and especially, the herbicide composition has an excellent preventing and killing effect on barnyard grass, Leptochloa chinensis, Ammannia arenaria, Monochoria vaginalis, Sagittaria pygmaee Miq, cyperaceae weeds and the like which are difficult to control in the current rice field, the pesticide application frequency of the rice field is reduced, and the control cost is reduced.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a paddy field herbicide composition. Background technique [0002] The main weeds in the paddy fields include grassy weeds such as barnyardgrass and stephenia, broad-leaved weeds such as Polygonum cloves, Amaranthus auricularia, Chinese knotweed, snakehead sausage, moshangcai, bermia, dwarf sagittarius and water bamboo leaves, etc. Grass and special-shaped sedges, sun-blown grasses and wild water chestnuts and other Cyperaceae weeds. It can be seen that when weeds occur in the field, the grass phases are complex and there are many types. If multiple weeds occur together, a single herbicide cannot solve the above problems at the same time. In recent years, malignant weeds such as rice barnyardgrass, stephenia chinensis, Chinese knotweed, special-shaped sedge, and sagittarius have occurred seriously. If there are no effective control measures before seedlings, the application o...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N43/90A01N37/22A01P13/00
CPCA01N37/22A01N43/90A01N47/36
Inventor 童贤明徐英徐升华王慧淼李晓东杨奎
Owner ZHEJIANG TIDE CROP TECH
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