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Weeding composition containing atrazine and mesotrione and application thereof

A herbicidal composition, the technology of mesotrione, 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

Inactive Publication Date: 2014-06-18
SHANDONG WEIFANG RAINBOW CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] A single agent of mesotrione and atrazine can be used to control weeds in corn fields, but with the increase of the application period, there are disadvantages such as weed resistance, narrow herbicidal spectrum, large dosage, and long residual effect period. , not only increases the cost, but also increases the pressure on the environment

Method used

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  • Weeding composition containing atrazine and mesotrione and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Example 1 88% Atrazine Mesotrione Water Dispersible Granules

[0048] Atrazine 76%, mesotrione 12%, 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 ultra-micro airflow pulverization to obtain a 750-mesh fine powder, and then add an appropriate amount of water to the kneader to knead the resulting fine powder, and then granulate it through an extrusion granulator. Dry at ℃ to obtain 88% atrazine mesotrione water dispersible granules.

Embodiment 2

[0049] Example 2 50% Atrazine Mesotrione Water Dispersible Granules

[0050] Atrazine 43.2%, mesotrione 6.8%, 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 ultra-micro airflow pulverization to obtain a 750-mesh fine powder, and then add an appropriate amount of water to the kneader to knead the resulting fine powder, and then granulate it through an extrusion granulator. Dry at ℃ to obtain 50% atrazine mesotrione water dispersible granules.

Embodiment 3

[0051] Example 3 25% Atrazine Mesotrione Water Dispersible Granules

[0052] Atrazine 22.7%, mesotrione 2.3%, 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 ultra-micro airflow pulverization to obtain a 750-mesh fine powder, and then add an appropriate amount of water to the kneader to knead the resulting fine powder, and then granulate it through an extrusion granulator. Dry at ℃ to obtain 25% atrazine mesotrione water dispersible granules.

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Abstract

The invention discloses a weeding composition containing atrazine and mesotrione and application thereof. The composition takes the atrazine and the mesotrione as effective active ingredients. The weeding composition can effectively prevent and eradicate barnyard grass, crab grass, green bristlegrass and other annual weeds in maize fields, and has the control effect obviously higher than that of a weed killer singly using the atrazine or the mesotrione. In addition, with the composition, the pesticide effect is improved, the dosage is lowered, the economic cost is saved, the application dose of each active substance is greatly reduced, the residual in the environment is reduced, the production of herbicide resistance of weeds is delayed at the same time, the service life of the composition is prolonged, and thus the composition 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 atrazine and mesotrione and its application, and belongs to the technical field of pesticides. Background technique [0002] Atrazine, English common name: atrazine, chemical name: 2-chloro-4-diethylamino-6-isopropylamino-1,3,5-triazine, also known as atrazine, Aatrex, Primatola. The appearance of atrazine is white powder, easily soluble in organic solvents, relatively stable in slightly acidic or slightly alkaline medium, but at higher temperature, alkali or inorganic acid can make it hydrolyze. Atrazine is a selective systemic conduction pre-emergence and post-emergence herbicide. It is mainly absorbed by roots, with little absorption by stems and leaves. kill weeds. Atrazine is decomposed into non-toxic substances by corn ketolase in resistant crops such as corn, so it is safe for crops. Currently, atrazine is mainl...

Claims

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Application Information

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IPC IPC(8): A01N43/70A01P13/00A01N41/10
Inventor 孙国庆侯永生吴勇路雪林
Owner SHANDONG WEIFANG RAINBOW CHEM
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