Mixed herbicide containing cinosulfuron, quinclorac and bensulfuron methyl and application thereof

A technology of quinclorac and bensulfuron-methyl, which is applied in the field of pesticides, can solve the problems of incomplete and effective control of weeds in paddy fields, residual toxicity of current crops or subsequent crops, and poor effect of gramineous weeds. Achieve the effects of improving drug efficacy, high safety, and delaying weed resistance

Active Publication Date: 2012-05-23
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Poor effect on grass weeds
[0005] At present, herbicides in paddy fields are limited by the safety of crops, and the herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in paddy fields. Too long effective period, excessive dosage or uneven application will easily cause residual toxicity to current crops or subsequent crops

Method used

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  • Mixed herbicide containing cinosulfuron, quinclorac and bensulfuron methyl and application thereof
  • Mixed herbicide containing cinosulfuron, quinclorac and bensulfuron methyl and application thereof
  • Mixed herbicide containing cinosulfuron, quinclorac and bensulfuron methyl and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Ethsulfuron 1%, quinclorac 1%, bensulfuron 8%, alkylphenol polyoxyethylene ether 4%, polyoxyethylene polyoxypropylene block compound 5%, xanthan gum 0.2%, water To 100%, according to the conventional preparation method, it is prepared into a suspending agent with a mass percentage content of 10%.

Embodiment 2

[0020] Ethsulfuron 2%, quinclorac 15%, bensulfuron 18%, NNO (sodium methylene bis-naphthalene sulfonate) 9%, sodium dodecylbenzene sulfonate 5%, ammonium sulfate 5%, Diatomaceous earth makes up 100%, and the water-dispersible granule with a mass percent content of 35% is prepared according to a conventional preparation method.

Embodiment 3

[0022] Etsulfuron 5%, quinclorac 30%, bensulfuron 30%, sodium lignosulfonate 7%, sodium dodecylbenzenesulfonate 5%, sodium lignosulfonate 5%, diatomaceous earth Make up 100%, and prepare wettable powder with a mass percent content of 65% according to a conventional preparation method.

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Abstract

The invention relates to a herbicide, and discloses a mixed herbicide containing cinosulfuron, quinclorac and bensulfuron methyl and application thereof, belonging to the technical field of pesticide. The herbicide takes the cinosulfuron, the quinclorac and the bensulfuron methyl as main effective ingredients; and a mass ratio of the cinosulfuron, the quinclorac and the bensulfuron methyl is 0.1-8.0:0.1-80:0.1-80. The mixed herbicide provided by the invention has obvious effects in application of weeding for paddy fields, in particular the application of preventing and eliminating various gramineae weeds, sedge weeds and broadleaf weeds in the paddy fields. Compared with a single agent, under the premise of improving the drug effect, the herbicide provided by the invention delays resistibility of the weeds, has a wide weeding spectrum and a long lasting period, and is safe to rice and succeeding crops.

Description

technical field [0001] The invention belongs to the technical field of pesticides and relates to a herbicide, in particular to a mixed herbicide containing ethersulfuron-methyl, quinclorac and bensulfuron-methyl and an application thereof. Background technique [0002] Cinosulfuron, also known as methyl ethersulfuron, is a sulfonylurea herbicide, scientific name 1-(4,6-dimethoxy-1,3,5-triazin-2-yl) -3-[2-(2-Methoxyethoxy)phenylsulfonyl]urea. Etsulfuron-methyl is mainly absorbed through roots and stems, transported from transport tissues to meristems, and inhibits the biosynthesis of branched-chain amino acids (such as serine and isoleucine). The weeds will not die immediately after the application, but stop growing. After 5-10 days, the plants begin to turn yellow, wither and die. In rice, the active ingredients can be metabolized into non-toxic substances through urea bridge breakage, methoxyl hydrolysis, deamination and benzene ring hydrolysis, and sucrose conjugation. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/42A01P13/00
Inventor 杨寿海刘德友葛九敢陈志忠贠琰
Owner NANJING HUAZHOU PHARMA
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