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Herbicidal composition containing propyrisulfuron and thiobencarb and application thereof

A herbicidal composition, the technology of promasulfuron-methyl, applied in the fields of pesticides and herbicides, can solve the problem that the herbicidal combination of promethazone-methyl and carbadon has not been found, can not completely and effectively control weeds in paddy fields, when Residual toxicity of seasonal crops or subsequent crops, etc., to achieve the effect of improving drug efficacy, reducing speed, and improving safety

Inactive Publication Date: 2017-07-25
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 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
The inventors have found through research that the synergistic combination of herbicides is an effective measure to expand the spectrum of weed control and improve the control effect. So far, no herbicidal composition related to the combination of promasulfuron-methyl and carbap has been found.

Method used

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  • Herbicidal composition containing propyrisulfuron and thiobencarb and application thereof
  • Herbicidal composition containing propyrisulfuron and thiobencarb and application thereof
  • Herbicidal composition containing propyrisulfuron and thiobencarb and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: 35% Cyclopyr-Promasulfuron-methyl EC (34:1)

[0026] Cyclosulfan 34%, promasulfuron 1%, alkylphenol polyoxyethylene ether 4%, phenethylphenol polyoxyethylene ether 15%, xylene supplemented to 100%, prepared according to the conventional preparation method The percentage content is 35% emulsifiable concentrate.

Embodiment 2

[0027] Example 2: 30% carbapam-promethazone-methyl suspension concentrate (29:1)

[0028] Cyclocarb 29%, promasulfuron-methyl 1%, sodium methylnaphthalenesulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 3%, magnesium aluminum silicate 0.5%, ethylene glycol 7%, phosphoric acid 2% of tributyl ester, 0.2% of silicone oil, and the balance of water are prepared into a suspension concentrate with a mass percent content of 30% according to a conventional preparation method.

Embodiment 3

[0029] Example 3: 60% carbend-promethazone water-dispersible granules (59:1)

[0030] Cyclosulfan 59%, promethazone 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to make up to 100%, according to the conventional preparation method It is prepared as a water-dispersible granule (WDG) with a mass percent content of 60%.

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Abstract

The invention discloses a herbicidal composition containing propyrisulfuron and thiobencarb, the herbicidal composition comprises the propyrisulfuron and the thiobencarb as main effective components, and the mass ratio of thiobencarb to propyrisulfuron is 1: 60-60:1. The invention also discloses application of the herbicidal composition in post-seedling weeding in a paddy field, especially in control of gramineae and broadleaf weeds in the paddy field. The herbicidal composition can be used in the post-seedling weeding in the paddy field, especially has a significant effect for control of the gramineae and broadleaf weeds in the paddy field. The herbicidal composition has the advantages of delaying weed resistance, wide herbicidal spectrum, long lasting period, and safety of paddy and afterreap crops on the premise of improvement of the efficacy of the herbicide compared with a single agent.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of herbicides, and in particular relates to a binary compound herbicidal composition containing promasulfuron-methyl and carbap, which can be used for post-emergence weeding in paddy fields. Background technique [0002] Propyrisulfuron is a selective broad-spectrum herbicide, which has a good control effect on weeds resistant to sulfonylurea herbicides, and is effective on older barnyardgrass, sedge, and broad-leaved grass. Can be foliar spray, shake application. [0003] Thiobencarb, chemical name: p-chlorobenzyl N,N-diethylthiocarbamate. Structural formula: [0004] [0005] Cyclodan is a selective systemic herbicide, which is mainly absorbed by weed roots and young shoots. It is used as a soil treatment agent. It is safe for rice and has excellent control effects on barnyard grass. It is suitable for controlling barnyardgrass, cow hair grass, special-shaped...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N47/12A01P13/00
CPCA01N47/36A01N47/12A01N2300/00
Inventor 郭崇友万维肖张宝俊陈叶青程清云
Owner NANJING HUAZHOU PHARMA
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