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A herbicidal composition containing isoxaflutole and imazethapyr and its application

A herbicidal composition, the technology of isoxaflutole, applied in the field of pesticides, can solve the problems of large amount of single component, poor crop safety, long residual period, etc., and achieve good weed control effect, good killing effect, suspension high rate effect

Active Publication Date: 2020-03-13
SHANDONG WEIFANG RAINBOW CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a herbicidal composition containing isoxaflutole and imazethapyr, the active ingredient of the herbicidal composition is isoxaflutole and imazethapyr compounded in a specific ratio, Through the combination of the two, the problems of large amount of single component, long residual period, poor safety to crops, reduced drug efficacy and resistance generation are solved, the weeding spectrum is expanded, the generation of drug resistance is slowed down, and it is beneficial to the environment sustainable development

Method used

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  • A herbicidal composition containing isoxaflutole and imazethapyr and its application
  • A herbicidal composition containing isoxaflutole and imazethapyr and its application
  • A herbicidal composition containing isoxaflutole and imazethapyr and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1 30% Isoxaflutole·Mezamizole Water Dispersible Granules

[0028] The formula is: 5% isoxaflutole, 25% imazethapyr, 3% dispersant maleic acid-acrylic acid copolymer salt, 1% ethylene oxide-propylene oxide block copolymer, wetting agent alkane Base phenol polyoxyethylene ether sodium sulfate 0.4%, pull open powder BX 1.6%, disintegrant potassium sulfate 1.5%, calcium chloride 0.5%, white carbon black make up 100%.

[0029] The preparation method is as follows: add isoxaflutole, imazethapyr, dispersant, wetting agent, disintegrating agent, and filler into the mixer, mix evenly, and pulverize to 20-40 μm granules by jet mill, and then Mix evenly, then add water for kneading, extrude the kneaded material, and dry the obtained granules at 40-60°C to obtain 30% isoxaflutole·imazepam water-dispersible granules.

Embodiment 2

[0030] Example 2 55% isoxaflutole-methazepam water-dispersible granules

[0031] The formula is: 5% isoxaflutole, 50% imazethapyr, 3% dispersant maleic acid-acrylic acid copolymer salt, 1% ethylene oxide-propylene oxide block copolymer, wetting agent alkane Base phenol polyoxyethylene ether sodium sulfate 0.4%, pull open powder BX 1.6%, disintegrant potassium sulfate 1.5%, calcium chloride 0.5%, white carbon black make up 100%. The preparation method is the same as in Example 1.

Embodiment 3

[0032] Example 3 60% Isoxaflutole·Mezamizole Water Dispersible Granules

[0033] The formula is: 50% isoxaflutole, 10% imazethapyr, 3.2% dispersant maleic acid-acrylic acid copolymer salt, 0.8% ethylene oxide-propylene oxide block copolymer, wetting agent alkane Base phenol polyoxyethylene ether sodium sulfate 0.5%, pull open powder BX 1.5%, disintegrant potassium sulfate 1.6%, calcium chloride 0.4%, white carbon black make up 100%. The preparation method is the same as in Example 1.

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Abstract

The invention discloses a weeding composition containing isoxaflutole and imazapic and application of the weeding composition. The weeding composition compounds the isoxaflutole and imazapic and achieves an excellent synergetic effect, wherein a weight ratio of the isoxaflutole to imazapic is (1 to 10):(1 to 10). The composition disclosed by the invention can achieve the effects of improving the drug efficacy, reducing the dosage, reducing the economic cost, greatly reducing the administration dose of a single active ingredient, improving the safety on crops, reducing residues of the agents in the environment, retarding drug resistance of weeds, prolonging the service life of the agents, and controlling most of broadleaf weeds, annual gramineous weeds and cyperaceous weeds in sugarcane fields.

Description

technical field [0001] The invention relates to a herbicidal composition, in particular to a herbicidal composition whose pharmaceutical active ingredients are isoxaflutole and imazethapyr and the application of the composition in controlling weeds in sugarcane fields, and belongs to the technical field of pesticides. Background technique [0002] Isoxaflutole is an isoxazole herbicide. It is an organic heterocyclic selective systemic pre-emergence herbicide used for soil treatment in dry crop fields such as sugarcane and corn. It mainly passes through the young roots of weeds. It works by absorption and conduction. After ingestion by sensitive weeds, it destroys the formation of chlorophyll by inhibiting p-hydroxypropiophenone dioxygenase, resulting in chlorosis and wilting of the affected weeds. When isoxaflutole is applied or after it is applied, the active ingredients retained in the surface soil due to poor soil moisture cannot play the role of weed control in time, bu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/80A01N43/50A01P13/00
CPCA01N43/50A01N43/80A01N2300/00
Inventor 孙国庆侯永生吴勇张小兵张全
Owner SHANDONG WEIFANG RAINBOW CHEM
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