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Weeding composition containing sulfentrazone and chlorimuron-ethyl and application thereof

A herbicidal composition and technology of sulfentrazone, applied in the field of pesticides, can solve the problems of increased environmental pressure, long residual effect period, increased cost, etc., and achieve the effects of reduced dosage, high efficacy and easy implementation

Active Publication Date: 2014-05-14
SHANDONG WEIFANG RAINBOW CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] A single dose of chlorimuron-methyl and sulfentrazone can be used to control broadleaf and grass weeds in soybean and peanut fields. Large, long residual period and other disadvantages not only increase the cost, but also increase the environmental pressure

Method used

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  • Weeding composition containing sulfentrazone and chlorimuron-ethyl and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Example 1 67% sulfentrazone · chlorimuron-methyl water-dispersible granules

[0048] Sulfentrazone 62%, Chlorsulfuron-methyl 5%, Dispersant polycarboxylate sodium salt 3%, Calcium lignosulfonate 1%, Wetting agent a-sulfo fatty acid methyl ester 0.5%, a-olefin sulfonic acid Sodium 0.5%, fatty amide N-methyl taurine sodium salt 1.0%, disintegrant urea 1.5%, sodium sulfate 1.5%, kaolin supplement 100%. After the mixture is fully mixed and uniform, carry out ultrafine airflow pulverization to obtain 750-mesh fine powder, and then knead the obtained fine powder with an appropriate amount of water in a kneader, and then granulate it through an extrusion granulator. Dry at ℃ to obtain 67% sulfentrazone·chlorimuron-methyl water-dispersible granules.

Embodiment 2

[0049] Embodiment 2 10% sulfentrazone · Chlorsulfuron-methyl water dispersible granules

[0050] Sulfentrazone 9.25%, chlorimuron-methyl 0.75%, dispersant polycarboxylate sodium salt 3%, calcium lignosulfonate 1%, wetting agent a-sulfo fatty acid methyl ester 0.5%, a-olefin sulfonic acid Sodium 0.5%, fatty amide N-methyl taurine sodium salt 1.0%, disintegrant urea 1.5%, sodium sulfate 1.5%, kaolin supplement 100%. After the mixture is fully mixed and uniform, carry out ultrafine airflow pulverization to obtain 750-mesh fine powder, and then knead the obtained fine powder with an appropriate amount of water in a kneader, and then granulate it through an extrusion granulator. Dry at ℃ to obtain 10% sulfentrazone·chlorimuron-methyl water-dispersible granules.

Embodiment 3

[0051] Embodiment 3 50% sulfentrazone · Chlorsulfuron-methyl water dispersible granules

[0052] Sulfentrazone 45%, chlorimuron-methyl 5%, dispersant polycarboxylate sodium salt 3%, calcium lignosulfonate 1%, wetting agent a-sulfo fatty acid methyl ester 0.5%, a-olefin sulfonic acid Sodium 0.5%, fatty amide N-methyl taurine sodium salt 1.0%, disintegrant urea 1.5%, sodium sulfate 1.5%, kaolin supplement 100%. After the mixture is fully mixed and uniform, carry out ultrafine airflow pulverization to obtain 750-mesh fine powder, and then knead the obtained fine powder with an appropriate amount of water in a kneader, and then granulate it through an extrusion granulator. Dry at ℃ to obtain 50% sulfentrazone·chlorimuron-methyl water-dispersible granules.

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Abstract

The invention discloses a weeding composition containing sulfentrazone and chlorimuron-ethyl and an application thereof. The sulfentrazone and the chlorimuron-ethyl serve as active ingredients of the composition. The weeding composition can effectively control and remove broadleaf weeds and gramineous weeds such as xanthium sibiricum, goosefoots and morning glory in a soybean filed and a peanut field, and the control effect is obviously higher than the control effect achieved by only using the sulfentrazone or the chlorimuron-ethyl. In addition, the user of the composition can improve the herbicide effect, reduce the herbicide use amount, save economical cost, greatly reduce the application amount of each active substance, reduce herbicide residues in the environment, meanwhile, can further delay weed herbicide resistance generation and prolong the herbicide service life and has important ecological significance and environmental protection significance.

Description

technical field [0001] The invention relates to a compound herbicidal composition and its application, in particular to a herbicidal composition containing sulfentrazone and chlorimuron-methyl and its application, and belongs to the technical field of pesticides. Background technique [0002] Sulfentrazone, English common name: Sulfentrazone, chemical name: N-(2,4-dichloro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo -1H-1,2,4-triazol-1-yl)phenyl)methanesulfonamide. Sulfentrazone is a tan solid with a melting point of 121–123°C and a vapor pressure of 1.3 × 10 -4 MPa (25 ℃), the specific gravity is 1.21 g / ml (20 ℃), the solubility in water is 0.11 (pH 6), 0.78 (pH 7), 16 (pH 7.5) (mg / g, 25 ℃). Sulfentrazone is a protoporphyrinogen oxidase inhibitor. By inhibiting protoporphyrinogen oxidase, excess protoporphyrin IX is produced in plant cells. The cell membrane, sac membrane, etc. are ruptured, the lysate in the cell leaks out, and the cell dries up and dies. Sulfentra...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N43/653
Inventor 孙国庆侯永生路雪林吴勇
Owner SHANDONG WEIFANG RAINBOW CHEM
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