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A kind of herbicidal composition containing benzamid and oxyfluorfen and its application

A herbicidal composition, the technology of benzamid, which is applied in the field of pesticides, can solve the problems of reducing drug usage, poor crop safety, and narrow weed control spectrum, so as to reduce the amount of drugs, improve the killing effect, and improve the efficacy of drugs Effect

Active Publication Date: 2020-11-06
SHANDONG WEIFANG RAINBOW CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the defects of current poor herbicidal effect of benzamid and oxyfluorfen as a single active ingredient, the present invention provides a herbicidal composition containing benzamid and oxyfluorfen, which will The combination of benzamid and oxyfluorfen in a specific ratio has played a significant synergistic effect and solved the shortcomings of a single component of narrow weed control spectrum, poor safety to crops, reduced efficacy and resistance. Expand the weeding spectrum, reduce the amount of drug use, slow down the emergence of drug resistance, improve the weeding effect, and be conducive to the sustainable development of the environment
This compound composition and its application have no related reports at present

Method used

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  • A kind of herbicidal composition containing benzamid and oxyfluorfen and its application
  • A kind of herbicidal composition containing benzamid and oxyfluorfen and its application
  • A kind of herbicidal composition containing benzamid and oxyfluorfen and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Example 1 30% benzamid-ethoxyfluorfen suspension concentrate

[0035] The formula is: benzamide 5%, oxyfluorfen 25%, dispersant polyoxyethylene polyoxypropylene ether block copolymer 2%, sodium alkylbenzene sulfonate 1%, wetting agent dodecane Sodium sulfate 0.5%, Alkylphenol polyoxyethylene ether 1.5%, Defoamer higher alcohol fatty acid ester compound 0.1%, Silicone oil 0.3%, Thickener magnesium aluminum silicate 0.2%, Xanthan gum 0.2% , 2% antifreeze ethylene glycol, 2% sorbitol, and 100% water.

[0036] The preparation method is:

[0037](1) Perform high-speed shearing of the dispersant, wetting agent, defoamer and water in the above formula, mix evenly, then add benzamide and oxyfluorfen, and sand in a sand mill, During the sanding period, the particle size of the material needs to be checked frequently, and the particle size is 3-5 μm after sanding;

[0038] (2) Add the thickener to the antifreeze and mix evenly, then add the mixture of thickener and antifreeze ...

Embodiment 24

[0039] Example 2 44% benzamid-ethoxyfluorfen suspension concentrate

[0040] The formula is: benzamide 4%, oxyfluorfen 40%, dispersant polyoxyethylene polyoxypropylene ether block copolymer 1%, sodium alkylbenzene sulfonate 1%, wetting agent dodecane Sodium sulfate 1.5%, Alkylphenol polyoxyethylene ether 1.5%, Antifoaming agent higher alcohol fatty acid ester compound 0.1%, Silicone oil 0.1%, Thickener Magnesium aluminum silicate 0.1%, Xanthan gum 0.2% , antifreeze ethylene glycol 2%, sorbitol 1%, water make up 100%. The preparation method is the same as in Example 1.

Embodiment 34

[0041] Example 3 40% benzamid-ethoxyfluorfen suspension concentrate

[0042] The formula is: benzamide 33.3%, oxyfluorfen 6.7%, dispersant polyoxyethylene polyoxypropylene ether block copolymer 2%, sodium alkylbenzene sulfonate 1%, wetting agent dodecane Sodium sulfate 0.8%, Alkylphenol polyoxyethylene ether 1.2%, Antifoaming agent higher alcohol fatty acid ester compound 0.18%, Silicone oil 0.22%, Thickener magnesium aluminum silicate 0.08%, Xanthan gum 0.32% , 2% antifreeze ethylene glycol, 2% sorbitol, and 100% water. The preparation method is the same as in Example 1.

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PUM

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Abstract

The invention discloses a weeding composition containing propyzamide and oxyfluorfen and application thereof. The weeding composition is prepared by compounding the propyzamide and the oxyfluorfen according to a weight ratio of (1 to 10):(1 to 10), wherein the good synergistic function is realized. The weeding composition has the advantages that the pesticide effect is improved, the usage amount of pesticide is reduced, the economic cost is reduced, the safety to crops is improved, the residue of pesticide in environment is reduced, the production of pesticide resistance of weeds is delayed, the service life of the pesticide is prolonged, and the weeding composition is used for preventing and removing most of annual grassy weeds and broadleaf weeds in ginger and garlic fields.

Description

technical field [0001] The present invention relates to a herbicidal composition, in particular to a herbicidal composition whose pharmaceutical active ingredients are benzamid and oxyfluorfen and the application of the composition in controlling weeds in ginger and garlic fields, belonging to pesticides technology field. Background technique [0002] Propyramide is an amide herbicide. Its mechanism of action is to interfere with the mitosis of weed cells through root absorption and conduction. It mainly controls monocotyledonous weeds and is safe for broad-leaved crops. The persistence period of benzamid in the soil can reach about 60 days, which can effectively control the emergence of weeds. Even after emergence, they can still absorb the drug and die through the bud sheaths. It is suitable for ginger, peanuts, soybeans, garlic, potatoes, Lettuce and other crops control annual grass weeds and some small-seeded broad-leaved weeds. [0003] Oxyflufen is a fluorine-contain...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N37/18A01N33/22A01N25/04A01P13/00
CPCA01N25/04A01N33/22A01N37/18
Inventor 孙国庆侯永生张小兵吴勇张全
Owner SHANDONG WEIFANG RAINBOW CHEM
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