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Preparation method of bactericide for preventing and treating crop germs

A technology of fungicides and crops, applied in the field of preparation of fungicides, can solve the problems of not being able to improve the disease resistance of crops and easy re-infection of pathogenic bacteria, and achieve the effects of avoiding re-infection of germs, good killing effect, and improving resistance

Inactive Publication Date: 2021-06-08
HEBEI NORMAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing fungicides used to prevent and control crop pathogens generally only have a killing effect on pathogenic bacteria, and cannot improve the disease resistance of the crop itself, and pathogenic bacteria are easy to re-infect

Method used

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  • Preparation method of bactericide for preventing and treating crop germs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1) Preparation of plant sterilizing solution: Weigh the corresponding parts by weight of Snakevine, Juniper, White Moss Bark and Houttuynia cordata, the mass ratio between Snakevine, Juniper, White Moss bark and Houttuynia cordata is 2: 3:2:3, and then use alcohol extraction method to extract the bactericidal components in S. chinensis, extract with 70% ethanol at 70°C for 38 hours to obtain the bactericidal components in S. chinensis; wash the cypress and distill it, that is Juniper sterilizing solution can be obtained; alcohol extraction is also used to extract the bactericidal components in white moss bark; supercritical CO 2 The effective bactericidal ingredients in Houttuynia cordata are extracted by extraction method; then the effective bactericidal ingredients in Snakevine, juniper sterilizing liquid, bactericidal ingredients in white moss bark and effective bactericidal ingredients in Houttuynia cordata are mixed to obtain Obtain phytosterilizing liquid;

[002...

Embodiment 2

[0025] 1) Preparation of plant sterilizing solution: Weigh the corresponding parts by weight of Snakevine, Juniper, White Moss Bark and Houttuynia cordata, and the mass ratio between Snakevine, Juniper, White Moss bark and Houttuynia cordata is 1: 2:1:2, and then use alcohol extraction method to extract the bactericidal components in S. chinensis, extract with 70% ethanol at 70°C for 38 hours to obtain the bactericidal components in S. chinensis; wash juniper and distill it, that is Juniper sterilizing solution can be obtained; alcohol extraction is also used to extract the bactericidal components in white moss bark; supercritical CO 2 The effective bactericidal ingredients in Houttuynia cordata are extracted by extraction method; then the effective bactericidal ingredients in Snakevine, juniper sterilizing liquid, bactericidal ingredients in white moss bark and effective bactericidal ingredients in Houttuynia cordata are mixed to obtain Obtain phytosterilizing liquid;

[002...

Embodiment 3

[0029] 1) Preparation of plant sterilizing solution: Weigh the corresponding weight parts of Snakevine, Juniper, White Moss Bark and Houttuynia cordata, the mass ratio between Snakevine, Juniper, White Moss bark and Houttuynia cordata is 3: 4:3:4, and then use alcohol extraction method to extract the bactericidal components in S. chinensis, and use 70% ethanol to extract at 70°C for 38 hours to obtain the bactericidal components in S. chinensis; wash the cypress and distill it, that is Juniper sterilizing solution can be obtained; alcohol extraction is also used to extract the bactericidal components in white moss bark; supercritical CO 2 The effective bactericidal ingredients in Houttuynia cordata are extracted by extraction method; then the effective bactericidal ingredients in Snakevine, juniper sterilizing liquid, bactericidal ingredients in white moss bark and effective bactericidal ingredients in Houttuynia cordata are mixed to obtain Obtain phytosterilizing liquid;

[...

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Abstract

The invention is applicable to the technical field of bactericides, and provides a preparation method of a bactericide for preventing and treating crop germs. The bactericide is prepared from the following components in parts by weight: 40-60 parts of plant sterilization liquid, 20-40 parts of penetrating fluid and 20-40 parts of synergist, and the main raw materials of the plant sterilization liquid are celastrus orbiculatus, Chinese juniper, cortex dictamni and herba houttuyniae; the main raw material components of the synergist are abscisic acid and chitin. The preparation method of the bactericide specifically comprises the following steps: preparing the plant sterilization liquid, preparing the synergist, and then mixing to obtain the bactericide. Through combined use of the plant sterilization liquid and the synergist, the bactericide has a good killing effect on pathogenic bacteria, can improve the resistance of crops to pathogenic bacteria, and can avoid secondary infection of pathogenic bacteria.

Description

technical field [0001] The invention belongs to the technical field of fungicides, and in particular relates to a preparation method of a fungicide for preventing and controlling crop pathogens. Background technique [0002] Bactericides, also known as biocides, bactericides and algicides, microbicides, etc., usually refer to chemical agents that can effectively control or kill microorganisms such as bacteria, fungi, and algae. Internationally, it is usually used as a general term for agents to prevent and control various pathogenic microorganisms. Primary fungicides are defined as chemicals that kill fungi or inhibit their growth. With the development of fungicides, the scientific definition includes pesticides that can directly kill or inhibit the growth and development of plant pathogens, or some pesticides that have no direct biological activity on pathogenic bacteria, but by changing the pathogenic process of pathogenic bacteria or by inducing plant resistance Sex, so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/14A01N65/36A01N65/08A01N65/06A01P1/00A01N37/42A01N43/16
CPCA01N37/42A01N43/16A01N65/00A01N65/06A01N65/08A01N65/14A01N65/36
Inventor 王秀平侯文龙程才红李云韩玉翠
Owner HEBEI NORMAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
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