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Production method of wettable powder containing mesotrione and clopyralid

A technology of clopyralid and wettable powder, applied in herbicides and algicides, botanical equipment and methods, biocides, etc., can solve the problems of poor control effect and contact killing of gramineous weeds, and reach the field dosage Decrease, increase efficacy, and increase the effect of the site of action

Inactive Publication Date: 2013-04-10
QINGDAO DONGSHENG PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Mesotrione is easy to conduct in the xylem and phloem of plants, and has contact killing effect and specific effect. The field efficacy test results show that 100 g / L mesotrione suspension concentrate is effective against annual broad-leaved weeds and some grass weeds in corn fields. Grasses such as velvetleum, amaranth, quinoa, Polygonum, barnyardgrass, crabgrass, etc. have good control effects, but have poor control effects on amaranth and some grass weeds

Method used

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  • Production method of wettable powder containing mesotrione and clopyralid
  • Production method of wettable powder containing mesotrione and clopyralid
  • Production method of wettable powder containing mesotrione and clopyralid

Examples

Experimental program
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Effect test

Embodiment 1

[0020] The production method of the wettable powder containing mesotrione and clopyralid in this example is to add the active ingredients mesotrione and clopyralid into the carrier, add a surfactant and mix it, and then pass the air flow After being pulverized by a pulverizer, the product is obtained after being mixed by a mixer.

[0021] The wettable powder containing mesotrione and clopyralid of the present embodiment is made of the following components by weight percentage:

[0022] Mesotrione 20%

[0023] Clopyralid 30%

[0024] Surfactant 11%

[0025] Filling balance

[0026] In this example, the weight content of the active ingredients mesotrione and clopyralid in the wettable powder is 50%. Surfactants are wetting and dispersing agents. The wetting agent is sodium lauryl sulfate, with a weight content of 2%; the dispersant is calcium lignosulfonate, with a weight content of 9%; the filler is white carbon black and kaolin, and the weight content of white carbon blac...

Embodiment 2

[0028] The difference between this example and Example 1 is that the wettable powder containing mesotrione and clopyralid in this example is made of the following components by weight percentage:

[0029] Mesotrione 25%

[0030] Clopyralid 50%

[0031] Surfactant 12%

[0032] Filling balance

[0033] In this example, the weight content of the active ingredients mesotrione and clopyralid in the wettable powder is 75%. Surfactants are wetting and dispersing agents. The wetting agent is sodium lauryl sulfate, with a weight content of 3%; the dispersant is an alkylnaphthalene sulfonate formaldehyde condensate, and the weight content is 9%; the filler is attapulgite.

Embodiment 3

[0035] The difference between this embodiment and embodiment 1 is: the wettable powder of this embodiment is made of the following components by weight percentage:

[0036] Mesotrione 12.5%

[0037] Clopyralid 12.5%

[0038] Surfactant 10%

[0039] Filling balance

[0040] In this example, the weight content of the active ingredients mesotrione and clopyralid in the wettable powder is 25%. Surfactants are wetting and dispersing agents. The wetting agent is sodium lauryl sulfate, with a weight content of 3%; the dispersant is an alkylnaphthalene sulfonate formaldehyde condensate, and the weight content is 7%; the filler is attapulgite.

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Abstract

The invention provides a production method of wettable powder containing mesotrione and clopyralid. The wettable powder contains active ingredients of the mesotrione and the clopyralid, and the content in percentage by weight of the active ingredients in a herbicide is 20%-80%, wherein the weight ratio of the mesotrione to the clopyralid is 1: (0.1-10), preferably 1: (1-2). The prepared herbicide has obvious synergy and can greatly improve the efficacy; the efficacy is improved, the field using quantity of the active ingredients is reduced, the production cost and the using cost are reduced, and pesticide residue and environmental pollution can be reduced; and the wettable powder comprises the active ingredients with different action mechanisms, can increase action sites and is conductive to overcoming and deferring the production of pesticide resistance of weeds.

Description

Technical field [0001] The invention belongs to the field of agricultural herbicides, and particularly relates to a method for producing a wettable powder containing mesotrione and clopyralid. Background technique [0002] The application of chemical herbicides is the most effective means of controlling weeds in farmland, but long-term and continuous use of a single chemical herbicide at high doses can easily cause problems such as herbicide residues, environmental pollution, and the development of weed resistance and resistance. Developing new varieties and rational mixing are effective ways to solve the above problems. However, as the price of developing new herbicide varieties continues to rise, the development of compound agents with low investment and short development cycle is increasingly favored by domestic and foreign researchers. Pay attention to. [0003] Mesotrione is a triketone compound. It is a pre-emergent and post-emergent broad-spectrum selective herbi...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N41/10A01N25/14A01P13/00
Inventor 李波于天丛刘丽萍吴本林王旭
Owner QINGDAO DONGSHENG PHARMA
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