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Herbicide composition and application thereof

A composition and herbicide technology, applied in the direction of herbicides and algicides, applications, biocides, etc., can solve the problems of general control effect and inability to achieve weeding effect, so as to reduce the cost of medication, convenient and effective control means, The effect of simple application method

Active Publication Date: 2013-07-10
北京颖泰嘉和分析技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the combined control effect of the above two herbicides on annual and perennial broadleaf weeds and gramineous weeds in paddy fields is mediocre, and cannot achieve the optimal herbicidal effect.

Method used

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  • Herbicide composition and application thereof
  • Herbicide composition and application thereof
  • Herbicide composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Embodiment 1 contains the emulsifiable concentrate of 0.3% active ingredient

[0054] Add 1 g of dithiopyr, 2 g of fenpyramid, 50 g of nonylphenol polyoxyethylene ether (7), 50 g of fatty alcohol polyoxyethylene ether, and xylene to 1 kg, mix and dissolve to form a uniform oil phase.

Embodiment 2

[0055] Embodiment 2 contains the emulsifiable concentrate of 0.3% active ingredient

[0056] Add 2 g of dithiopyr, 1 g of fenpyramid, 40 g of fatty amine polyoxyethylene ether, 40 g of laurate polyoxyethylene ether, and No. 180 solvent oil to 1 kg, mix and dissolve to form a uniform oil phase.

Embodiment 3

[0057] Embodiment 3 contains the emulsifiable concentrate of 50% active ingredient

[0058] Dithiopyr 250g, fenpyramid 250g, calcium dodecylbenzenesulfonate 50g, fatty alcohol polyoxyethylene ether (40) 50g, monooleamide polyoxyethylene sulfosuccinate disodium 50g, 10g of oleic acid and N-methylpyrrolidone make up to 1kg, mix and dissolve to form a uniform oil phase.

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Abstract

The invention relates to a herbicide composition which comprises the following active components in parts by weight: 0.1 to 95 parts of dithiopyr and 0.1 to 95 parts of metamifop. The invention also relates to application of the herbicide composition in prevention and treatment of annual and perennial broadleaf weed and grassy weed in rice fields. Compared with a singler medicament, the herbicidecomposition obviously enhances a weeding effect, displays excellent synergism, reduces the utilization quantity of the medicament, reduces the medicament cost for farmers as well as an influence on the environment, enlarges a weeding spectrum, and also effectively prolongs the generation and the development of the resistance to the single medicament.

Description

technical field [0001] The invention relates to the field of agricultural herbicides, in particular to a herbicide composition containing two active ingredients of dithiopyr and fenpyramid and an application thereof. Background technique [0002] Dithiopyr is a pyridinecarboxylic acid pre-emergent herbicide, its herbicidal activity is not affected by changes in environmental factors (temperature, soil type and moisture), it is safe for rice, and its effective period can reach 80 days. [0003] Metamifop is an aryloxyphenoxy ester (AOPP) herbicide, which can inhibit ACC enzyme and promote plant fatty acid synthesis. As an acetyl coenzyme A carboxylase (ACCase) inhibitor, it can control most annual grass weeds very well. Unlike most AOPP herbicides, fenpyramid is safe and effective for rice Control and control the main weeds in paddy fields, such as barnyardgrass, stephenia, crabgrass and goosegrass, and are mainly used for weeding in transplanted and direct seeded paddy fiel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/76A01N43/40A01P13/00
Inventor 占玉萍洪营路军薛进春张聪张宁詹福康
Owner 北京颖泰嘉和分析技术有限公司
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