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A herbicidal composition containing dicamba and pretilachlor and its application

A herbicidal composition, pretilachlor technology, applied in the fields of pesticides and herbicides, can solve the problems of incomplete and effective control of weeds in paddy fields, residual toxicity of current crops or subsequent crops, and long duration in the field. Achieve the effects of improving safety, improving drug efficacy, and delaying weed resistance

Active Publication Date: 2016-08-17
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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  • A herbicidal composition containing dicamba and pretilachlor and its application
  • A herbicidal composition containing dicamba and pretilachlor and its application
  • A herbicidal composition containing dicamba and pretilachlor and its application

Examples

Experimental program
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Effect test

Embodiment 1

[0023] Dicamba 34%, pretilachlor 1%, alkylphenol polyoxyethylene ether 4%, phenethylphenol polyoxyethylene ether 15%, xylene to 100%, according to the conventional preparation method, the mass percentage content is 35% EC.

Embodiment 2

[0025] Dicamba 29%, pretilachlor 1%, sodium methylnaphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 3%, magnesium aluminum silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, and the balance is water, and it is prepared into a suspending agent with a mass percentage content of 30% according to a conventional preparation method.

Embodiment 3

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

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Abstract

The invention discloses an herbicide composition containing dicamba and pretilachlor and an application thereof. Main active ingredients of the herbicide composition are dicamba and pretilachlor, and mass ratio of dicamba to pretilachlor is 1-60: 1-60. The herbicide composition can be used for post-emergence weed control of paddy fields and especially has a remarkable effect when used in controlling and removing gramineae grassy weeds and broadleaved weeds in paddy fields. In comparison with single dosage, the herbicide composition has advantages as follows: on the precondition of raising pesticide effect, weed resistance is delayed, weeding spectrum is wide, persistence is long, and the herbicide composition is safe to paddy rice and after-reap crops.

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 of dicamba and pretilachlor, 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 weeds w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N37/40A01P13/00A01N37/22
Inventor 胡明华彭永强甘华军石振龙邢刚
Owner NANJING HUAZHOU PHARMA