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Weeding composition containing Quinclorac

A technology of quinclorac, herbicidal composition, applied in directions such as herbicides, algaecides, biocides, animal repellents, etc., can solve problems such as unreported, and achieve high herbicidal efficiency and reduced application dosage. Effect

Inactive Publication Date: 2010-07-21
张志高 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Since quinclorac is mainly used to control barnyard grass in rice fields, there is no report on the use of quinclorac to control weeds in corn fields, and quinclorac is mixed with atrazine in an appropriate proportion to control Weeds in cornfields have also not been reported

Method used

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  • Weeding composition containing Quinclorac
  • Weeding composition containing Quinclorac

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 20% active ingredient (A) and 10% active ingredient (B) and 5% 33# as emulsifier, agricultural milk 2000 series, 4% NNO as dispersant, 0.2% thickener xanthan Glue, 5% antifreeze ethylene glycol, 0.5% stabilizer benzoic acid and appropriate amount of defoamer n-butanol and water are uniformly pulverized under high-speed shearing to obtain a suspension.

Embodiment 2

[0023] 30% active ingredient (A) with 20% active ingredient (B), 2% sodium lauryl sulfate as wetting agent, 4% NNO as dispersant, 6% lignin as dispersant Calcium sulfonate and other inert fillers are thoroughly mixed together and ultrafinely pulverized to obtain a wettable powder.

Embodiment 3

[0025] 40% active ingredient (A) with 40% active ingredient (B), 2% carboxylate as wetting agent, 4% NNO as dispersant, 6% lignosulfonic acid as dispersant Calcium and other inert fillers are thoroughly mixed together and ultrafinely pulverized, and then an appropriate amount of water and a binder is added to the mixture, and the water-dispersible granules can be obtained after fluidized bed granulation or extrusion granulation and drying.

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Abstract

The invention discloses a weeding composition containing Quinclorac, a preparation method and an application thereof. The composition comprises a compound (A) and a compound (B), wherein the compound (A) is the Quinclorac and the compound (B) is atrazine. The weeding composition can be prepared into general formulations of pesticide such as suspending agents, wettable powder, water dispersible granula and the like after being mixed according to a suitable proportion by modern pesticide preparation process technology, and is used for preventing and extirpating weeds such as cockspur grass, hairy finger, green bristlegrass, acalypha australis, piemarker, purslane, Amaranthus retroflexus and the like. The preventing effect is obviously better than the preventing effect when the compound (A) or the compound (B) is used respectively; and the invention greatly reduces the using dosage of each of the active material, and not only has ecological significance but also has important environmental protection significance.

Description

technical field [0001] The invention relates to an improved herbicidal composition, in particular to a herbicidal composition containing quinclorac and atrazine and its application. Background technique [0002] The general name of compound (A) is quinclorac, and its chemical name is 3-7-dichloro-8-quinolinecarboxylic acid. [0003] Its structural formula is: [0004] [0005] Quinclorac, English common name quinclorac. It is developed by BASF Corporation of Germany and has obtained patent EP 60429 (1983); US 4497651 (1985); 4632696 (1987); DE 3108873 (19820; 32027736 (1983). Spain and South Korea introduced quinclorac from BASF Corporation in 1989 The production technology of quinclorac was first researched and developed by Shenyang Research Institute of Chemical Industry in China. [0006] Quinclorac is a quinoline carboxylic herbicide similar to hormones. The agent can be quickly absorbed by germinated seeds, roots, stems and leaves, and quickly conduct to the stems...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/70A01N43/42A01P13/00
Inventor 张志高尹小根
Owner 张志高
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