Bactericide composition, and preparation method and application thereof

A technology of fungicide composition and medicinal ingredients, which is applied in the field of pesticides, can solve problems such as the aggravation of fungicide resistance and the limitation of fungicide selection, and achieve the effects of saving drug costs, reducing drug dosage, and promoting growth

Inactive Publication Date: 2017-11-03
山西奇星农药有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the control of diseases still mainly depends on chemical control. Due to the lack of effective alternatives, the selection of fungicides is limited, which has led to the exacerbation of the problem of fungicide resistance.

Method used

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  • Bactericide composition, and preparation method and application thereof
  • Bactericide composition, and preparation method and application thereof
  • Bactericide composition, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1 (10.1% polyoxin dextran emulsifiable concentrate)

[0037]

[0038] According to the formula requirements, add solvent, original drug, emulsifier, mix evenly, if necessary, slightly heat to dissolve, and then obtain transparent emulsifiable oil.

[0039] Preparation of water agent

Embodiment 2

[0040] Embodiment 2 (20% polyoxin dextran aqueous solution)

[0041]

[0042] According to the formula requirements, add deionized water, original drug, emulsifier, mix evenly, if necessary, slightly heat to dissolve, and obtain a transparent water agent.

[0043] wettable powder formulation

Embodiment 3

[0044] Embodiment 3 (30% polyoxin · dextran wettable powder)

[0045]

[0046] According to the formula requirements, the original drug, various additives and fillers are fully mixed, and pulverized by a jet mill until the particle fineness reaches the standard value of wettable powder (fineness greater than 325 mesh).

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Abstract

The invention provides a synergistic bactericide composition, and a preparation method and application thereof. The effective medicinal components of the composition consist of polyoxins and glucan glycal, wherein the weight ratio of the polyoxins to the glucan glycal is (5-10):(0.1-5); the synergistic bactericide composition is prepared by a mixing mode and can be applied to preparation of pesticide for preventing and treating alternaria leaf spot; and the polyoxins and the glucan glycal in the composition are compounded according to the specific proportion and are synergistic, so the effect of preventing and treating alternaria leaf spot of apple trees and the like is remarkable.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a synergistic fungicide composition and its preparation method and application. Background technique [0002] Apple spot defoliation is a worldwide airborne disease caused by Alternaria mali Roberts, which mainly infects leaves and fruits, often causing serious damage. Since the 1970s, the disease has occurred in some major apple producing areas in my country, especially in the two major apple producing areas of Bohai Bay and the old course of the Yellow River. In recent years, it has occurred to varying degrees in various parts of Shaanxi Province. The incidence index of this disease is about 10 in general years, and can be as high as 30-45 in popular years. In orchards where the disease is serious, more than 90% of the diseased leaves will be reached between July and August, and the rate of defoliation will be 20% to 80%, which will weaken the tree vigor, reduce the yield,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/12A01N43/16A01P3/00
CPCA01N47/12A01N43/16
Inventor 杨福奎闫泽民
Owner 山西奇星农药有限公司
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