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Dicamba and pyrazosulfuron-ethyl herbicidal composition and application thereof

A herbicidal composition, the technology of pyrazosulfuron-methyl, is applied in the fields of pesticides and herbicides, and can solve the problems of inability to completely and effectively control weeds in paddy fields, residual poisoning of current crops or subsequent crops, and long field duration. , to achieve the effect of improving safety, improving efficacy and delaying weed resistance

Active Publication Date: 2015-05-13
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 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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  • Dicamba and pyrazosulfuron-ethyl herbicidal composition and application thereof
  • Dicamba and pyrazosulfuron-ethyl herbicidal composition and application thereof
  • Dicamba and pyrazosulfuron-ethyl herbicidal composition and application thereof

Examples

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Effect test

Embodiment 1

[0023] Dicamba 34%, pyrazosulfuron-methyl 1%, alkylphenol polyoxyethylene ether 4%, phenethylphenol polyoxyethylene ether 15%, xylene up to 100%, prepared according to the conventional preparation method to the mass percentage It is 35% EC.

Embodiment 2

[0025] Dicamba 29%, pyrazosulfuron-methyl 1%, sodium methylnaphthalenesulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 3%, magnesium aluminum silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2% ester, 0.2% silicone oil, and water as the balance, according to the conventional preparation method, it is prepared into a suspension concentrate with a mass percent content of 30%.

Embodiment 3

[0027] Dicamba 59%, pyrazosulfuron-methyl 1%, NNO (sodium methylene bis-sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, prepared according to the conventional preparation method Water-dispersible granules with a percentage content of 60%.

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Abstract

The invention discloses a dicamba and pyrazosulfuron-ethyl herbicidal composition and application thereof, the herbicidal composition comprises dicamba and pyrazosulfuron-ethyl as main effective components, and the mass ratio of dicamba to pyrazosulfuron-ethyl is 1-60:1-60. The herbicidal composition can be used for paddy field after-seedling weeding, is especially used to control gramineae and broadleaf weeds in paddy fields, and has a significant effect. The herbicidal composition has the advantages of delaying weed resistance, wide herbicidal spectrum, long lasting period, and safety of the 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 specifically relates to a binary compound herbicidal composition of dicamba and pyrazosulfuron-methyl, which can be applied to post-emergence weeding in paddy fields. Background technique [0002] Dicamba, also known as dicamba; Baicao enemy. Chemical name: 3,6-dichloro-2-methoxybenzoic acid, structural formula: [0003] [0004] Dicamba is a hormonal herbicide. It has a systemic conduction effect and has a significant control effect on annual and perennial broad-leaved weeds. Dicamba is used for post-emergence spraying, and the drug can be quickly absorbed by the leaves, stems, and roots of the weed, conduct upward and downward through the phloem and xylem, and mostly concentrate in the meristematic tissue and parts with strong metabolic activities, hindering the normal activity of plant hormones , causing it to die. Generally, broad-leaved...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N37/40
Inventor 甘华军郭崇友张宝俊彭永强黄娟
Owner NANJING HUAZHOU PHARMA
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