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A special herbicide for rape fields

A technology for herbicides and rapeseed, applied in the directions of herbicides and algaecides, applications, biocides, etc., can solve the problems of poor herbicidal effect, poor broad-spectrum weeding, high cost and environmental pollution, etc., and achieves safe use and wide bactericidal spectrum. , the effect of promoting growth

Inactive Publication Date: 2016-02-03
JINAN DONGZER BIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing herbicides for wheat fields are single doses, and the herbicide effect of a single dose is poor, and can only remove some single species of weeds; there are also compound herbicides, but the broad-spectrum of weeding is poor, and the cost and environmental impact are relatively poor. more polluted

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Proportion (wt%): quizalofop-p-ethyl 10%, florasulam 4%, 2,4-dichlorophenoxyacetic acid 1%, calcium dodecylsulfonate 12%, castor oil polyoxyethylene ether 8%, the balance of xylene.

[0023] Preparation method: First, dissolve quizalofop-p-ethyl, florasulam and 2,4-dichlorophenoxyacetic acid in xylene, then add calcium dodecylsulfonate and castor oil polyoxyethylene ether to obtain Cream preparations.

[0024] How to use: Spray at the early stage of rapeseed tillering, 35-45 ml / mu, spray evenly on stems and leaves.

[0025] In Shouguang City, Shandong Province, quizalofop-p-p (15%) single spray, diflusulam (15%) single spray, 2,4-dichlorophenoxyacetic acid (15%) single spray, quizalofop-p-p The compound spraying with florasulam (quizalofop-ethyl 12% + florasulam 3%) was used as a comparative example, and a field test was carried out. Wherein the comparative examples are prepared into emulsifiable concentrate preparations by adding auxiliaries in the manner of Example...

Embodiment 2

[0029] Proportion (wt%): quizalofop-p-ethyl 11%, florasulam 3%, 2,4-dichlorophenoxyacetic acid 1%, calcium dodecylsulfonate 15%, castor oil polyoxyethylene ether 5%, the balance of xylene.

[0030] Preparation method: with embodiment 1.

Embodiment 3

[0032] Proportion (wt%): quizalofop-p-ethyl 12%, florasulam 2%, 2,4-dichlorophenoxyacetic acid 1%, calcium dodecylsulfonate 13%, castor oil polyoxyethylene ether 7%, the balance of xylene.

[0033] Preparation method: with embodiment 1.

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PUM

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Abstract

The invention discloses a herbicide specially used for an oilseed rape field. The herbicide comprises an effective component and an auxiliary agent, wherein the effective component is formed by compounding quizalofop-p-ethyl, florasulam and 2, 4-dichlorphenoxyacetic acid, the mass ratio of quizalofop-p-ethyl to florasulam to 2, 4-dichlorphenoxyacetic acid is (10-12) to (3-5) to 1, and the content of the effective component is 15-75wt%. After quizalofop-p-ethyl, florasulam and 2, 4-dichlorphenoxyacetic acid are compounded, the bactericidal spectrum of the herbicide is expanded. The herbicide not only has a better control effect on gramineous weeds, but also has a better control effect on broad-leaved weeds such as crickweed, galium aparine, cardamine, flixweed, stellaria alsine, mazus japonicus, veronica didyma tenore and the like, and is capable of improving the drug resistance and the crop safety.

Description

technical field [0001] The invention relates to a herbicide, in particular to a special herbicide for rape fields, and belongs to the technical field of agricultural production. Background technique [0002] Rapeseed, also known as oily cabbage and bitter cabbage, is the tender stem and leaf of Brassicaceae rape. It is native to my country. It is dark green in color and looks like cabbage. It is a variety of Brassicaceae cabbage. It is widely cultivated in the north and south, and is available in all seasons. Weeds in rapeseed fields are divided into gramineous weeds and broadleaf weeds. Gramineae weeds mainly include Acanthus, Fescue Grass, Bluegrass, Clubhead Grass and so on. The broad-leaved weeds mainly include cow chickweed, pig yangyang, broken rice mustard, Artemisia sativa, Buzz grass, Tongquan grass, and mother-in-law. Most of the existing herbicides for wheat fields are single doses, and the herbicide effect of a single dose is relatively poor, and can only remo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/90A01P3/00A01P13/00A01P21/00A01N43/60A01N39/04
Inventor 林英全马树全
Owner JINAN DONGZER BIO TECH
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