Propanil, cyhalofop butyl and 2-methyl-4-chlorophenoxy acetic acid-containing pesticide composition and application thereof

The technology of a pesticide composition and cyhalofop-ethyl, which is applied in the field of pesticides, can solve the problems of herbicide single-use control effect and high cost of weeding, and achieve the effect of reducing adverse effects, solving weed problems, and expanding the weeding spectrum

Inactive Publication Date: 2015-02-04
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Purpose of the invention: Aiming at the problems of rapid development of weed resistance in farmland, poor control effect of herbicide single use and high cost of weeding in the prior art, the purpose of the invention ...

Method used

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  • Propanil, cyhalofop butyl and 2-methyl-4-chlorophenoxy acetic acid-containing pesticide composition and application thereof
  • Propanil, cyhalofop butyl and 2-methyl-4-chlorophenoxy acetic acid-containing pesticide composition and application thereof
  • Propanil, cyhalofop butyl and 2-methyl-4-chlorophenoxy acetic acid-containing pesticide composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1: 47% propanil, cyhalofop, dimethyltetrachloride oil suspension concentrate

[0027] The components of the pesticide composition containing propanil, cyhalofop-methyl and dimethyltetrachloride are: 40% propanil, 3% cyhalofop-methyl, 4% dimethyltetrachloride, phenethylphenol polyoxyethylene ether 5%, sodium lignosulfonate 8%, epoxidized soybean oil 5%, organic bentonite 5%, methyl oleate to 100%.

[0028] After absorbing and mixing dimethyltetrachloride and filler, add the other above-mentioned materials (except organic bentonite) into the reactor mixer together, stir evenly, and inject the materials into the multi-stage sand mill for grinding. The fineness of the materials after grinding is After 98% pass through 1-5um, the material is discharged. The material is put into a high-shear emulsification kettle together with the pre-dissolved organic bentonite. After emulsification, 47% propanil, cyhalofop, and dimethyltetrachlorooil can be produced suspending agen...

Embodiment 2

[0029] Example 2: 51% propanil, cyhalofop-methyl, tetrachloride suspension concentrate

[0030] The components of the pesticide composition containing propanil, cyhalofop-methyl and dimethyltetrachloride are: 36% of propanil, 9% of cyhalofop-methyl, 6% of dimethyltetrachloride, phenethylphenol polyoxyethylene ether 5%, sodium lignosulfonate 8%, ethylene glycol 5%, magnesium aluminum silicate 2%, defoamer 0.5%, preservative 0.1%, xanthan gum 0.1%, water to 100%.

[0031] After the dimethyltetrachloride is adsorbed and mixed with the filler, the other above-mentioned materials (except xanthan gum) are added into the reactor mixer together, stirred evenly, and the materials are injected into a multi-stage sand mill for grinding, and the ground materials are fine 98% pass through 1-5um and discharge. The material is put into a high-shear emulsification kettle together with the pre-dissolved xanthan gum. After emulsification, 51% propanil, cyhalofop, and methamphetamine Chlorine s...

Embodiment 3

[0032] Example 3: 50% Propanil·Cyhalofop-Prime·Dimethyltetrachlor wettable powder

[0033] The components of the pesticide composition containing propanil, cyhalofop-methyl and dimethyltetrachloride are: 40% of propanil, 5% of cyhalofop-methyl, 5% of dimethyltetrachloride, and 2% of sodium lauryl sulfate , sodium butylnaphthalene sulfonate 3%, calcium lignosulfonate 5%, white carbon black 5%, kaolin to 100%.

[0034] After adsorption and mixing of dimethyltetrachloride and fillers, they are added to the conical mixer together with other above-mentioned materials and mixed evenly, and then pulverized by the jet mill, and the pulverized materials are then mixed by the conical mixer, and the fineness of the mixed materials is 98% pass through a 325-mesh standard sieve to obtain 50% propanil·cyhalofop-methyl-tetrachloride wettable powder.

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Abstract

The invention discloses a propanil, cyhalofop butyl and 2-methyl-4-chlorophenoxy acetic acid-containing pesticide composition and application thereof, and the pesticide composition comprises the active components of propanil, cyhalofop butyl and 2-methyl-4-chlorophenoxy acetic acid in the mass ratio of 50-350:2-20:1-150. The pesticide composition, showing obvious synergistic effect on the ratio range, reduces the pesticide dosage, reduces the pesticide dosing number, reduces the pesticide dosing cost, reduces the adverse effects of pesticides on ecological environment, expands the herbicidal spectrum, can solve various weed problems by one-time use, makes up the defects and limitations when using a single agent, extends the agent service life, has the vital significance to the comprehensive treatment of weed resistance, is fast in drug efficacy, long in period of preserving effect and low in use cost, and can be used to control gramineous weeds, broadleaf weeds and sedge weeds in rice fields.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a pesticide composition containing propanil, cyhalofop-methyl and dimethyltetrachloride for controlling gramineous weeds, broad-leaved weeds and sedge weeds in paddy fields. Background technique [0002] According to statistics, the world's grain production loses 14% every year due to diseases, insects, and weeds, and the loss caused by weeds is about 11%. Weed damage is a key factor restricting crop production. The use of chemical herbicides is one of the important symbols of modern agriculture. In recent years, sales of herbicides have increased year by year, accounting for an increasing proportion of pesticide sales, and the application area has expanded year by year. Rice is the crop with the largest consumption, the largest planting area, the largest total output and the highest per unit yield in China, and it has an important position in the world. However,...

Claims

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Application Information

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IPC IPC(8): A01N39/04A01P13/00A01N37/22
Inventor 王红春张伟星李小艳孙宇贺建荣
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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