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Weeding composition containing pyrithiobac-sodium

The technology of a herbicidal composition and pyrifluzan, which is applied in the field of herbicidal composition containing pyrifluzal, can solve the problems of poor control effect and single drug use

Inactive Publication Date: 2014-11-12
山东华阳农药化工集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, with the continuous increase of cotton cropping and planting area, chemical weeding technology has been widely used and popularized. Farmers’ conventional method of drug use is generally single drug, but single drug has certain limitations: such as acetochlor control object : Annual grass weeds and some small-seeded broadleaf weeds
Targets of pyrimiazide control: annual and perennial grass weeds and most broad-leaved weeds, only inhibitory effect on crabgrass, poor control effect

Method used

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  • Weeding composition containing pyrithiobac-sodium
  • Weeding composition containing pyrithiobac-sodium
  • Weeding composition containing pyrithiobac-sodium

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0021] Pyrimicarb 1%

[0022] Acetochlor 40%

[0023] Oxyfluorfen 5%

[0024] Sodium Lauryl Sulfate 2.5%

[0025] Polyoxyethylene alkylphenol ether 2.5%

[0026] Sodium methylene bis-naphthalene sulfonate 12%

[0027] Silica 20%

[0028] Kaolin makes up 100%

[0029] Preparation method: adopt step-by-step mixing process, A first add half of the weight of the carrier silica into the mixer, then add the measured acetochlor crude oil, start stirring, mix for about 30-40 minutes, and then add Mix other weighed raw materials evenly.

[0030] B Start the jet mill, add the above-mentioned mixed raw materials into the jet mill for pulverization, add the pulverized materials into the mixer for remixing, and obtain wettable powder. Carry out the analysis and detection of various indicators.

example 2

[0032] Pyrimicarb 5%

[0033] Acetochlor 40%

[0034] Oxyfluorfen 1%

[0035] Polyoxyethylene alkylphenol ether 4%

[0036] Sodium alkylnaphthalene sulfonate 10%

[0037] Silica 35%

[0038] Diatomaceous earth Make up 100%

[0039] Preparation method: adopt step-by-step mixing process, A first add half of the weight of the carrier silica into the mixer, then add the measured acetochlor crude oil, start stirring, mix for about 30-40 minutes, and then add Mix other weighed raw materials evenly.

[0040] B Start the jet mill, add the above-mentioned mixed raw materials into the jet mill for pulverization, add the pulverized materials into the mixer for remixing, and obtain wettable powder. Carry out the analysis and detection of various indicators.

example 3

[0042] Pyrimicarb 15%

[0043] Acetochlor 30%

[0044] Oxyfluorfen 30%

[0045] Sodium dodecyl sulfonate 1.5%

[0046] Methyl naphthalene sulfonate formaldehyde condensate sulfate 2%

[0047] Silica 20%

[0048] Attapulgite Make up 100%

[0049] Preparation method: adopt step-by-step mixing process, A first add half of the weight of the carrier silica into the mixer, then add the measured acetochlor crude oil, start stirring, mix for about 30-40 minutes, and then add Mix other weighed raw materials evenly.

[0050] B Start the jet mill, add the above-mentioned mixed raw materials into the jet mill for pulverization, add the pulverized materials into the mixer for remixing, and obtain wettable powder. Carry out the analysis and detection of various indicators.

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Abstract

The invention discloses a weeding composition containing pyrithiobac-sodium. The weeding composition is prepared from the following raw materials in percentage by weight: 1%-25% of pyrithiobac-sodium, 10-40% of acetochlor, 1-30% of oxyfluorfen, 0.5-5% of wetting agent, 2-15% of dispersant and 10-85.5% of carrier. The weeding composition is prepared by combining the pyrithiobac-sodium, the acetochlor and the oxyfluorfen, the advantages of the three components are developed thoroughly, and therefore, the purpose of preventing and removing a plurality of types of weeds can be achieved by once application of the weeding composition; and the advantages of the components of the weeding composition complement each other, and the time and the labor both can be saved. The invention aims at providing an efficient, broad-spectrum and safe weeding composition which is capable of well preventing and treating weeds in cotton fields.

Description

technical field [0001] The invention relates to the field of herbicides, in particular to a herbicidal composition containing pyrifluzal. Background technique [0002] Cotton is an important economic crop, and it is mainly distributed in the Yangtze River Basin, the Yellow River Basin and Xinjiang in China. In recent years, with the continuous increase of cotton cropping and planting area, chemical weeding technology has been widely used and popularized. Farmers’ conventional method of drug use is generally single drug, but single drug has certain limitations: such as acetochlor control object : Annual grass weeds and some small-seeded broadleaf weeds. It has special effects on annual gramineous weeds, and it also has certain control effects on broad-leaved weeds such as Chenopodiaceae, Amaranthaceae, Polygonaceae, Commelinae, Beef Chickweed, and Cucumis, but the effect is worse than that on grassy weeds , is ineffective against perennial weeds. Oxyfluorfen is a contact h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01P13/00A01N37/26A01N33/22
Inventor 孙绪兵吕明永冯训娟张现红陈永平李振兴孔斌
Owner 山东华阳农药化工集团有限公司
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