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A compound bactericide of perylenequinone compound

A technology of compounding fungicides and compounds, applied in the directions of fungicides, biocides, biocides, etc., can solve the problem of high toxicity of traditional pesticides, and achieve the effect of improving disease resistance, wide bactericidal spectrum, and promoting absorption and conduction.

Active Publication Date: 2021-02-26
BINZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the continuous development of the pesticide industry, low-toxicity, high-efficiency, and low-residue pesticides have attracted more and more attention from the society. Taking the development path of green and environment-friendly pesticides has become the main way to research and develop new pesticides. However, traditional pesticides generally have shortcomings such as high toxicity and drug resistance. How to develop low-toxicity and high-efficiency pesticides has become a topic of concern for researchers.

Method used

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  • A compound bactericide of perylenequinone compound

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Study on the effect of the mass ratio of various perylenequinone compounds on the antibacterial activity of compound fungicides

[0018] 1. Experimental materials and methods

[0019] 1.1 Source of material

[0020] The representative pathogenic bacteria Fusarium solani (Fusarium solani) and Bacillus subtilis (Bacillus subtilis) in root rot are both preserved in the Department of Biopharmaceuticals, Binzhou University. PDA solid medium, PD liquid medium, common broth liquid medium and common broth solid medium, etc. are prepared according to conventional methods, and then sterilized.

[0021] 1.2 Preparation of paper sheets

[0022] Soak the filter paper piece (8 mm) in the dimethyl sulfoxide solution containing different perylenequinone compounds for a while, then store it in the dark for future use.

[0023] 1.3 Measurement of compound fungicide activity

[0024] According to the aseptic operation procedures, draw 100 μL of the test bacterial suspension respective...

Embodiment 2

[0029] The optimization experiment results of the metal ions and concentration of the factors related to the antibacterial activity of compound fungicides

[0030] 1. Experimental materials and methods

[0031] 1.1 Source of material

[0032] The representative pathogenic bacteria Fusarium solani (Fusarium solani) and Bacillus subtilis (Bacillus subtilis) in root rot are both preserved in the Department of Biopharmaceuticals, Binzhou University.

[0033] PDA solid medium, PD liquid medium, common broth liquid medium and common broth solid medium, etc. are prepared according to conventional methods, and then sterilized.

[0034] 1.2 Preparation of paper sheets

[0035] Soak the filter paper piece (8 mm) in the dimethyl sulfoxide solution containing different perylenequinone compounds for a while, then store it in the dark for future use.

[0036] 1.3 Measurement of compound fungicide activity

[0037] According to the aseptic operation procedures, draw 100 μL of the test ba...

Embodiment 3

[0054] field experiment

[0055] A compound fungicide containing perylenequinone compounds, including hypocrellin A, hypocrellin B, and estrocystin in a mass ratio of 9:1.5:3, 0.055mol / L Ca 2+ , 0.035mol / L Mg 2+ , 0.06g / L extract of the ethyl acetate part of bamboo yellow fungus. The application method is to mix and stir the compound fungicide evenly, then dissolve it in water and dilute it. The effective content of the compound fungicide is 3%, and the fungicide is directly sprayed on the common wheat field, which can effectively prevent and control various fungicides in the wheat field. plant pathogenic bacteria, and the sterilization rate is controlled above 98%.

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Abstract

The invention provides a compound fungicide containing perylenequinone compounds, the active ingredients of which are hypocrellin A, hypocrellin B, and estrocystin A, wherein hypocrellin A, hypocrellin The mass ratio of B and coelomycin A is (9‑14): (1.5‑3): (3‑9). The compound bactericide containing perylenequinone compounds of the present invention can play a very good bactericidal effect, has a wide bactericidal spectrum, and solves the problem of serious resistance of existing bactericides; and can obtain Good pesticide efficacy, less residue in crops, no pollution to the environment; also added metal ions and extracts of medicinal fungi, which can act as a drug primer in compound fungicides and can promote The absorption and conduction of the active ingredients of pesticides and nutrients in the soil by crops can improve the disease resistance of crops, enhance the efficacy of drugs, improve the quality of crops, enhance crop metabolism, and improve the effect of disease resistance.

Description

technical field [0001] The invention belongs to the field of insecticides, in particular to a compound bactericide of perylenequinone compounds. Background technique [0002] With the continuous development of the pesticide industry, low-toxicity, high-efficiency, and low-residue pesticides have attracted more and more attention from the society. Taking the development path of green and environment-friendly pesticides has become the main way to research and develop new pesticides. However, traditional pesticides generally have shortcomings such as high toxicity and drug resistance. How to develop low-toxicity and high-efficiency pesticides has become a topic of concern for researchers. Contents of the invention [0003] The object of the present invention is in order to provide a kind of optimal prescription of perylene quinone compound of preventing and treating plant pathogenic bacteria, so that it can be used for the preparation of fungicide and the control of plant pat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N35/06A01P3/00A01P1/00
Inventor 杜文孙春龙
Owner BINZHOU UNIV