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Herbicide composition containing penoxsulam

A herbicide and composition technology, applied in the directions of herbicides, algaecides, biocides, biocides, etc., can solve problems such as affecting popularization and use, unable to inhibit the germination of unexcavated weed seeds, and unable to control weeds.

Active Publication Date: 2013-10-09
燕化永乐(乐亭)生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Penoxsulam alone has many shortcomings. First, the herbicidal spectrum is not wide enough, and some weeds cannot be controlled and the germination of unearthed weed seeds cannot be inhibited when used alone. Second, the cost of using penoxsulam alone is relatively high. High, affecting promotion and use

Method used

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  • Herbicide composition containing penoxsulam
  • Herbicide composition containing penoxsulam
  • Herbicide composition containing penoxsulam

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 6

[0020] 2kg of penoxsulam, 30kg of penoxam, 6kg of sodium lignosulfonate, 10kg of alkylphenol polyoxyethylene ether formaldehyde condensate sodium sulfate, 3kg of carboxymethyl cellulose, 5kg of nonylphenol polyoxyethylene Ether, 16kg kaolin, 14kg bentonite, and 14kg ammonium sulfate are added together in the cone mixer, and the material after mixing is added into the jet mill for pulverization, and the fineness reaches 98% and passes through a 325-mesh standard sieve, and then the Wet powder and 20kg of purified water are added to the kneader and kneaded at the same time to make a plastic material, and finally the material is put into an extrusion granulator for granulation, and the granulated product is dried in an oven at 54°C. The final material was sieved with 10-mesh and 60-mesh standard sieves, and the material in the middle of the two sieves was taken to prepare 32% penoxsulam·thiamid water-dispersible granules.

Embodiment 9

[0022] Add 2kg of penoxsulam, 48kg of mefenamide, 5kg of sodium lignosulfonate, 5kg of sodium dodecylbenzenesulfonate, 2kg of polyvinyl alcohol, 10kg of white carbon black, 14kg of kaolin, and 14kg of bentonite Put the homogeneously mixed material into the cone mixer and put it into the jet mill for crushing. The fineness reaches 98% and passes through the 325-mesh standard sieve to obtain 50% penoxsulam · mefenamide wettability powder.

[0023] In order to verify the compounding effect of penoxsulam and mefentrazone, we conducted a field drug efficacy test in 2008, and selected the examples and single doses of each component in the test.

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Abstract

The invention discloses a herbicide composition containing penoxsulam, which relates to a paddy field herbicide. The herbicide composition comprises a mixture which is prepared from the effective components of penoxsulam A and a herbicide B according to the ratio of (1:1) to (1:99), wherein the herbicide B is mefenacet. The herbicide composition disclosed by the invention can be prepared into common preparations such as a suspending agent, water dispersible granules, wettable powder, granules and effervescent tablets. An experiment confirms that the herbicide composition is reasonable in ratio, has a significant weed control effect when being used for preventing and removing weeds in a paddy field, is broad in herbicidal spectrum and safe to rice, has significant synergism, and is an ideal herbicide for preventing and removing weeds in a paddy field at present.

Description

[0001] This application is a divisional application with the filing date of August 28, 2009, the application number of 201210076900.5, and the title of "Herbicide Composition Containing Penoxsulam". technical field [0002] The invention relates to a herbicide composition for paddy fields, in particular to a composition of penoxsulam and mefenacet. Background technique [0003] Penoxsulam (penoxsulam) chemical name: 2-(2,2-difluoroethoxy)-N-(5,8-dimethoxy(1,2,4)triazole-(1,5-C )pyrimidin-2-yl)-6-trifluoromethyl-benzenesulfonamide belongs to triazolopyrimidinesulfonamide herbicides, and its molecular structure is: [0004] [0005] Its mechanism of action is to inhibit the action of acetolactate synthase, and the drug is absorbed through the weed leaves, leaf sheaths or roots, and then transmitted to the meristematic tissue, causing the weeds to stop growing, turn yellow, and then die. It is used to control annual Gramineae, Cyperaceae and some broad-leaved weeds in direc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N43/78A01P13/00
Inventor 杨会营刘晓娇
Owner 燕化永乐(乐亭)生物科技有限公司