A kind of bactericidal composition and its application

A technology of composition and bacillus, applied in the direction of application, bactericide, biocide, etc., can solve the problem of high risk of drug resistance and resistance, and achieve the effect of reducing the risk of potential drug resistance and reducing the dosage of drugs

Inactive Publication Date: 2017-11-10
HEBEI AGRICULTURAL UNIV.
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Commonly used agents include metalaxyl, cymoxanil, azoxystrobin, fluopyram, etc. Bacteria are already resistant to these agents or have a high risk of resistance

Method used

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  • A kind of bactericidal composition and its application
  • A kind of bactericidal composition and its application
  • A kind of bactericidal composition and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1 bactericidal composition and its inhibitory effect on grape downy mildew

[0023] Pseudomonas fluorescens (the number of live spores in the Pseudomonas fluorescens used is 200 billion / gram) and Gliocladium pink chlamydospores (the number of live spores in the used Pseudomonas pink chlamydospores is 100 million / gram) indoor virulence assay and ratio screening of compound pair grape downy mildew.

[0024] The test uses grape downy mildew (Plasmopara viticola) as the test object. The test method refers to the "People's Republic of China Agricultural Industry Standard NY / T1156.3-2006".

[0025] Firstly, according to the mass ratio of the components of the two agents, the serial proportions are set to 10:1, 5:1, 1:1, 1:5, 1:10, and the dilution is 3000 times. The test target bacteria were collected from Mancheng County, Baoding City. Collect the early diseased leaves that have just formed pale yellow lesions, take them back to the laboratory and wash them wi...

Embodiment 222

[0039] Embodiment 2 22% wettable powder

[0040]

Embodiment 333

[0041] Embodiment 3 33% wettable powder

[0042]

[0043]

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PUM

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Abstract

The invention provides a bactericidal composition, the bactericidal composition contains Pseudomonas fluorescens and Gliocladium pink chlamydospores, the mass ratio of Pseudomonas fluorescens and Glioma pink chlamydospores is 1000 :1~1:1000. The fungicidal composition provided by the present invention shows obvious synergistic effect in preventing and treating downy mildew diseases caused by Plasmodium by combining Pseudomonas fluorescens and chlamydospores of Gliocladium rosea, and reduces the existing plant pathogenic bacteria The risk of potential resistance to chemical agents; the combination of Pseudomonas fluorescens and chlamydospores of Gliocladium pinkum has obvious synergistic effect, and at the same time reduces the dosage of agents and is more environmentally friendly, so that the composition can be widely used in the prevention and treatment of Downy mildew disease caused by Plasmodium unipara.

Description

technical field [0001] The invention relates to the field of microbial control, in particular to a bactericidal composition and its application. Background technique [0002] Plant diseases have been a serious threat to agricultural production. The prevention and control of plant diseases by humans can be traced back thousands of years ago. In the past, most of the pesticides used were plant-derived or inorganic chemical pesticides. In the early 1940s, a large number of organic synthetic pesticides were produced, which effectively controlled the disease, but the drug resistance, environmental pollution and human health were threatened, that is, the emergence of the 3R (Resistance, Residue, Resurgence) problem aroused widespread concern, so The research, development and application of biological control has been put on the agenda and has been paid attention by governments of all countries. From the perspective of plant disease control, biological control is the method of co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N63/04A01P3/00A01N63/00
Inventor 冉隆贤申红妙李正楠李会平郭金堂
Owner HEBEI AGRICULTURAL UNIV.
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