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Weedicide composition containing penoxsulam

A herbicide and composition technology, applied in the directions of herbicides, algaecides, biocides, biocides, etc., can solve the problems of high cost of penoxsulam, inability to control weeds, affecting popularization and use, etc.

Inactive Publication Date: 2013-10-02
BEIJING YOLOO BIO TECH CORP
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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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  • Weedicide composition containing penoxsulam
  • Weedicide composition containing penoxsulam
  • Weedicide composition containing penoxsulam

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 8

[0020] Add 2kg of penoxsulam, 60kg of oxadiazone propargyl, 4kg of sodium lauryl sulfate, 4kg of sodium dodecylbenzenesulfonate, 8kg of ammonium sulfate, 11kg of kaolin, and 11kg of bentonite into the cone mixer. , Put the uniformly mixed material into the jet mill for crushing, the fineness reaches 98%, and passes through the 325 mesh standard sieve, then add the wettable powder and 18kg of purified water into the kneader and knead at the same time to make a plastic material , and finally put the material into an extrusion granulator for granulation. The granulated product is dried in an oven at 54°C. The dried material is sieved with a 10-mesh and 60-mesh standard sieve, and the middle of the two sieves is taken. 62% penoxsulam · propargyl oxadiazone water dispersible granules were prepared.

Embodiment 10

[0022] 2kg penoxsulam, 8kg propargyl oxadiazone, 9kg sodium dodecylbenzenesulfonate, 7kg calcium lignosulfonate, 2.5kg polyvinyl alcohol, 6.5kg AEO-20, 15kg white carbon black, 25kg Bentonite and 25kg of kaolin were added to the cone mixer together, and the uniformly mixed material was added to the jet mill for crushing. The fineness reached 98% and passed through the 325-mesh standard sieve to obtain 10% penoxsulam. Oxazone wettable powder.

[0023] In order to verify the compounding effect of penoxsulam and clomazone propargyl, we conducted a field drug efficacy test in 2008, and the test was selected as an example of the present invention and a single dose of each component.

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Abstract

The invention discloses a weedicide composition containing penoxsulam, and relates to a rice field weedicide. The weedicide composition contains a mixture prepared by active ingredients of penoxsulam A and a weedicide B according to a ratio of (1:1) to (1:99), wherein the weedicide B is oxadiargyl. The weedicide composition can be prepared into conventional preparations such as a suspending agent, a water dispersible granule, wetting powder, a granule and an effervescent tablet, and an experiment proves that the weedicide composition is reasonable in proportion, remarkable in weeding effect and wide in weeding spectrum, is used for preventing and killing weeds in a rice field, is safe to rice, has an obvious synergistic effect, and is an ideal weedicide for preventing and killing the weeds in the rice 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 paddy field herbicide composition, in particular to a composition of penoxsulam and propargyl oxadiazone. 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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01P13/00A01N43/824
Inventor 刘晓娇杨会营
Owner BEIJING YOLOO BIO TECH CORP