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Weeding composition containing penoxsulam, mesotrione and pretilachlor

A technology of penoxsulam and herbicidal composition, which is applied in the directions of herbicides, algaecides, biocides, animal repellents, etc. , poor control effect and other problems, to achieve the effect of expanding the weed control spectrum, reducing the dosage, and expanding the weed control spectrum

Active Publication Date: 2015-12-23
SHAANXI SUNGER ROAD BIO SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Penoxsulam has good control effect on barnyardgrass in paddy fields, and also has certain control effect on Sagittarius and Alisma, but has poor control effect on rice Lishihe and water onion
According to the literature search, there is no relevant report on the ternary compound of penoxsulam, mesotrione and pretilachlor

Method used

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  • Weeding composition containing penoxsulam, mesotrione and pretilachlor
  • Weeding composition containing penoxsulam, mesotrione and pretilachlor
  • Weeding composition containing penoxsulam, mesotrione and pretilachlor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Weigh 5% penoxsulam, 20% mesotrione, 25% pretilachlor, 4% sodium polycarboxylate, 2% phenethylphenol polyoxyethylene ether phosphate, 3% sodium alkyl sulfate , 0.5% carboxymethyl cellulose, 3% polyethylene glycol, 0.2% potassium sorbate, 1% octanol, deionized water added to 100% by weight. The above raw materials are mixed, dispersed at high speed for 30 minutes, and sanded with a sand mill to a particle size of D 90 50% penoxsulam · mesotrione · pretilachlor suspension concentrate was prepared after the thickness was less than 10 μm.

Embodiment 2

[0051] Weigh 10% penoxsulam, 30% mesotrione, 20% pretilachlor, 5% sodium alkyl polyoxyethylene ether sulfonate, 2% alkylphenol formaldehyde resin polyoxyethylene ether, 0.3% silicon Magnesium aluminum acid, 0.2% bentonite, 5% propylene glycol, 0.2% sodium benzoate, 1.5% butanol, deionized water added to 100% by weight. The above raw materials are mixed, dispersed at high speed for 30 minutes, and sanded with a sand mill to a particle size of D 90 60% penoxsulam · mesotrione · pretilachlor suspension concentrate was prepared after the thickness was less than 10 μm.

Embodiment 3

[0053] Weigh 5% penoxsulam, 5% mesotrione, 10% pretilachlor, 2% sodium T-alkyl naphthalene sulfonate, 4% Span-60#, 5% Nongru 2201, 1% naphthalene Sodium sulfonate, 0.5% bentonite, 5% ethylene glycol, and methyl oleate are added to 100% by weight. The above raw materials were mixed, dispersed at high speed for 30 minutes, and sanded with a sand mill to prepare 20% penoxsulam·mesotrione·pretilachlor dispersible oil suspension concentrate.

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Abstract

The invention discloses a weeding composition containing penoxsulam, mesotrione and pretilachlor and an application therefor. The weeding composition comprises a first active ingredient penoxsulam, a second active ingredient mesotrione and a third active ingredient pretilachlor in a weight ratio of (0.1-90): (0.1-90): (0.5-90), preferably (0.2-50): (0.2-50): (2-50). The composition can be prepared into agriculturally permissible suspensions, dispersible oil suspensions, suspoemulsions, emulsion oil, microemulsions, wettable powder, water dispersible granules, granules, tablets and effervescent tablets. The weeding composition disclosed by the invention is reasonable in composition, good in weeding effect and low in medicinal cost. The activity and weeding effect are not simple superposition of activity of the ingredients. Compared to an existing single preparation, besides the remarkable weeding effect, the weeding composition further has a remarkable synergistic effect, delays the resistance, is good in safety, and meets the safety requirements on pesticide preparations. The weeding composition disclosed by the invention has a good preventing and treating effect on northeastern transplanted paddy field weeds: barnyard grass, lecrsia oryzoides, scirpus tabernaemontani, sagittaria trifolia, rhizoma alismatis and the like.

Description

technical field [0001] The invention relates to a paddy field herbicidal composition, which consists of active ingredients penoxsulam, mesotrione, pretilachlor and auxiliary agents, and belongs to the technical field of compound pesticides. Background technique [0002] Penoxsulam, English name penoxsulam, chemical name: 2-(2,2-difluoroethoxy)-N-(5,8-dimethoxy(1,2,4)triazole-(1, 5-C) Pyrimidin-2-yl)-6-trifluoromethyl-benzenesulfonamide. It is a broad-spectrum conductive herbicide. The drug is absorbed through the stems, leaves, young shoots and roots, and is transmitted to the meristem through the xylem and phloem, inhibiting plant growth and making the growing points chlorotic. After 7-14 days of treatment, the terminal buds turn red, Necrosis, 2 to 4 weeks the plant died. Penoxsulam has a good control effect on barnyardgrass in paddy fields, and has a certain control effect on Sagittarius and Alisma, but has a poor control effect on rice Lishihe and water onion. It is s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01P13/00A01N41/10A01N37/22
Inventor 冯建雄张仙马强张彬郝晓敏李存治
Owner SHAANXI SUNGER ROAD BIO SCI
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