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Weeding composition containing pentoxazone and mefenacet

A technology of fenthiazide and fenthiazide, which is applied in the direction of herbicides, algicides, biocides, animal repellants, etc. Amine compounding and other issues, to achieve the effect of expanding the weed control spectrum, reducing the frequency of application, and delaying resistance

Active Publication Date: 2015-09-02
SHAANXI SUNGER ROAD BIO SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the literature search, there is no relevant report on the combination of cyclopentazone and mefenacet

Method used

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  • Weeding composition containing pentoxazone and mefenacet
  • Weeding composition containing pentoxazone and mefenacet
  • Weeding composition containing pentoxazone and mefenacet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Weigh 0.5% cyclopentazone, 19.5% mefenamide, 2% Nongru 600#, 2% sodium polycarboxylate, 1% sodium naphthalenesulfonate, 2% glycerin, 3% bentonite, 0.5% silicone oil , 1% ammonium sulfate, 1% epichlorohydrin, and deionized water are added to 100% by weight. After the above raw materials are mixed, they are subjected to high-speed shearing and sand grinding in a desert sand mill to form a highly dispersed and stable suspension system in the water dispersion system to prepare a 20% cyclopentazone·thiamid aqueous suspension concentrate.

Embodiment 2

[0041] Weigh 1% cyclopentazone, 14% mefenamide, 2% Nongru 2201, 2% sodium polycarboxylate, 1% sodium naphthalenesulfonate, 2% propylene glycol, 3% polyvinyl alcohol, 0.5% Octanol, 1% sucrose, 1% acetic anhydride, and deionized water are added to 100% by weight. After the above raw materials are mixed, they are subjected to high-speed shearing and sand grinding in a desert sand mill to form a highly dispersed and stable suspension system in the water dispersion system to obtain a 15% cyclopentazone·thiamid aqueous suspension concentrate.

Embodiment 3

[0043] Weigh 2% cyclopentazone, 22% mefenamide, 2% Nongru 2201, 2% sodium polycarboxylate, 1% sodium naphthalenesulfonate, 2% ethylene glycol, 3% magnesium aluminum silicate , 0.5% butanol, 1% glucose, 1% epichlorohydrin, deionized water added to 100% by weight. After the above raw materials are mixed, they are subjected to high-speed shearing and sand grinding in a desert sand mill to form a highly dispersed and stable suspension system in the water dispersion system to obtain a 24% cyclopentazone·thiamid aqueous suspension concentrate.

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Abstract

The invention discloses a weeding composition containing pentoxazone and mefenacet and an application of the weeding composition. The weeding composition is composed of first active ingredients, namely, oxaziclomefone, second active ingredients, namely, mefenacet, and promoters, wherein the weight ratio of the first active ingredients to the second active ingredients is 0.1-100 to 10-120. Water suspension, dispersible oil suspension, wettable powder, water dispersible granules and granules which are agriculturally allowable can be prepared from the weeding composition. The weeding composition is reasonable in component, good in weeding effect and low in pesticide cost, activity and the weeding effect of the weeding composition are not obtained by simply overlapping activity of all the components, and compared with an existing single preparation, besides the remarkable weeding effect, the weeding composition has the remarkable synergism, is high in safety and meets the safety requirement for pesticide preparations. The weeding composition is used for early-stage weed killing processing of rice transplantation fields, direct seeding fields and the like, and has high biological activity for weeds in rice fields.

Description

technical field [0001] The invention relates to a paddy field herbicidal composition, which is composed of active ingredients cyclopentazone, mefenamide and auxiliary agents, and belongs to the technical field of compound pesticides. Background technique [0002] Cyclopentoxazone, English name pentoxazone, trade name Wechser, Kusabue, Shokinel, Kusa Punch, The One, Starbo, Utopia, chemical name: 3-(4-chloro-5-cyclopentyloxy-2-fluorophenyl )-5-isopropylene-1,3-oxazole-2,4-dione belongs to oxazoline dione herbicides. The mechanism of action is to inhibit the activity of protoporphyrinogen oxidase in the process of chlorophyll biosynthesis, and it is a protoporphyrinogen oxidase inhibitor. In the presence of light, protoporphyrin IX oxidizes and decomposes the lipids of the biomembrane components by the nascent oxygen, and the membranes are destroyed (peroxidation), and the chlorophyll and carotenoids of the photosynthetic pigments escape, and the plants eventually die. Cyclo...

Claims

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Application Information

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IPC IPC(8): A01N43/78A01P13/00A01N43/76
Inventor 冯建雄张仙郑敬敏马强乌小瑜张崇斌
Owner SHAANXI SUNGER ROAD BIO SCI
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