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Synergistic herbicidal compositions

A herbicidal composition and compound technology, applied in the directions of herbicides, algaecides, biocides, animal repellants, etc., can solve problems such as rice damage, development and use restrictions of rice herbicides, and reduction of herbicidal efficacy.

Active Publication Date: 2011-09-21
LG CHEM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to said damage to rice, although auxin herbicides have been used for a long time, their development and use as herbicides for rice have been limited
In addition, when this herbicide is mixed with other herbicides, its herbicidal efficacy decreases due to antagonism, so its development as a mixture is limited

Method used

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  • Synergistic herbicidal compositions
  • Synergistic herbicidal compositions
  • Synergistic herbicidal compositions

Examples

Experimental program
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Effect test

Embodiment Construction

[0132] One formulation example of the present invention is described below.

[0133] 10 parts (10% w / w) mixture of herbicidal active ingredient (A1 or A2) / herbicidal active ingredient (B), 2 parts of sodium lauryl sulfate (trade name: NK-SDS, Coseal), 8 parts (8 %w / w) sodium lignosulfonate (trade name: NK-SLS, Coseal), and 80 parts (80%w / w) of kaolin are mixed, then using a hammer mill (model: KDW-1, PAUDAL) It is ground to an average particle size of 5-10 μ to form a wettable powder.

[0134] 10 parts (10% w / w) mixture of herbicidal active ingredient (A1 or A2) / herbicidal active ingredient (B), 1 part of sodium lauryl sulfate (trade name: NK-SDS, Coseal), 3 parts (3 %w / w) naphthalene-formaldehyde condensate (trade name: Morwet-D425, Whittko), 5 parts (5% w / w) propylene glycol, 0.5 parts (0.5% w / w) gel-grade bentonite (trade name: NK - KNP, Coseal), and 80.5 parts (80.5% w / w) of purified water were mixed, and then ground to an average particle size of 2-3 μ using a DYNO mill...

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Abstract

The present invention relates to a synergistic herbicidal composition comprising N- [ [(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl] -2- [2-fluoro- 1 -(methoxymethylcarbony loxy)propyl] -3 -pyridine sulfonamide or N-[[(4,6-dimethoxy-2-pyrimidinyl)amino] carbonyl]-2-[2-fluoro-l-(hydroxy)propyl]-3-pyridine sulfonamide and other herbicidal active materials as active ingredient. The herbicidal composition of the present invention can increase the herbicidal efficacy against major weeds, and can reduce the use amount of active ingredients per unit area, due to the synergistic effect by mixing two herbicidal active ingredient having different physiological functions or different herbicidal activities.

Description

[0001] The present invention relates to a synergistic herbicidal composition, containing the following formula (1) compound N-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-2-[2-fluoro-1 -(methoxymethylcarbonyloxy)propyl]-3-pyridinesulfonamide or the following formula (2) compound N-[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl] -2-[2-fluoro-1-(hydroxyl)propyl]-3-pyridinesulfonamide and other herbicidally active substances having different physiological functions or different herbicidal activities from the compounds of formula (1) or (2), which It is characterized in that compared with a single agent, the herbicidal activity is increased, the herbicidal spectrum is broadened, and the dosage of active ingredients is saved. Particularly, the present invention relates to a kind of herbicidal composition, containing formula (1) or (2) compound, and one or more selected from photosynthetic inhibitor bentazone, protoporphyrinogen IX oxidase inhibitor pyrenzazone Other active ingredi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N41/06A01P13/00
CPCA01N47/36A01N37/26A01N39/02A01N39/04A01N43/40A01N43/56A01N43/653A01N43/70A01N43/76A01N43/88A01N47/12A01N2300/00A01N41/06A01N43/54
Inventor 金都淳李钟南黄基焕具石镇
Owner LG CHEM LTD
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