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Biocontrol fungicide for preventing and treating potato bacterial wilt and preparation method thereof

A technology of potato bacterial wilt and biocontrol fungicides, applied in biochemical equipment and methods, microbe-based methods, botany equipment and methods, etc., can solve problems such as unclear prospects for promotion and application, and achieve increased diversity, Effects of reducing disease occurrence and improving soil fertility and health

Pending Publication Date: 2020-10-13
HUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There have been a large number of literature reports on the research on the control measures of Solanaceae bacterial wilt, including the use of bacteriophage or bacillus for biological control, adding lysine, serine, and rock powder to the soil, and applying sclareol and pine to the roots of plants. thuringiensis root system is treated with fermentation broth of Bacillus thuringiensis and sulfone derivatives containing oxadiazole are used for control, etc. However, considering factors such as production cost, control performance and safety, the prospect of popularization and application of this research result is still unclear

Method used

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  • Biocontrol fungicide for preventing and treating potato bacterial wilt and preparation method thereof
  • Biocontrol fungicide for preventing and treating potato bacterial wilt and preparation method thereof
  • Biocontrol fungicide for preventing and treating potato bacterial wilt and preparation method thereof

Examples

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Effect test

Embodiment 1

[0025] A biocontrol agent for preventing and treating potato bacterial wilt, the active ingredient of which is composed of Bacillus subtilis and Bacillus licheniformis (B1-Y3) in a ratio of 1:1.

Embodiment 2

[0027] A biocontrol agent for preventing and treating potato bacterial wilt. The active ingredient of the biocontrol agent is composed of Bacillus subtilis and actinomycetes (B1-A3) in a ratio of 1:1.

Embodiment 3

[0029] A biocontrol agent for preventing and treating potato bacterial wilt, the active ingredient of which is composed of Bacillus subtilis and Bacillus pumilus (B1-G2) in a ratio of 1:1.

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Abstract

The invention belongs to the technical field of microbial application, and provides a biocontrol fungicide for preventing and treating the potato bacterial wilt. According to the invention, the content of viable bacteria in each gram of the biocontrol fungicide is no less than 1 * 10<8> cfu, and active ingredients of the biocontrol fungicide are formed by compounding two selected from the group consisting of bacillus subtilis, bacillus licheniformis, actinomycetes and bacillus pumilus. The biocontrol fungicide provided by the invention can improve the activity of part of defensive enzymes of plants, influence the change of microbial community structures in rhizosphere soil and enhance the systematic resistance of the plants to bacterial wilt, and has good biocontrol effect.

Description

technical field [0001] The invention belongs to the technical field of microbial application, and relates to a biocontrol agent for preventing and treating potato bacterial wilt and a preparation method thereof. Background technique [0002] Bacterial wilt is caused by R. solanaceae ( Ralstonia solanacearum ) caused by bacterial soil-borne wilt. In the early stage of the disease, the lower leaves of the plant will wilt during the day and recover in the evening. After 2 to 3 days, they will no longer recover and gradually develop from bottom to top. After 4 to 5 days, the stems and leaves of the diseased plants will wilt and die. Once bacterial wilt occurs, it is difficult to control, and it is easy to cause large-scale death or even failure of crops, which seriously affects the development of the potato industry. Pathogenesis of bacterial wilt: Ralstonia solanacear can infect and lie latent throughout the growth period of potatoes through plant roots. Under suitable condit...

Claims

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Application Information

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IPC IPC(8): C12N1/20A01N63/22A01N63/20A01P1/00C12R1/125C12R1/10C12R1/04C12R1/07C12R1/01
CPCC12N1/20A01N63/22A01N63/20
Inventor 毛露甜刘洁琼林晓霖麦景邹超群黄晓珊周星宇王毅
Owner HUIZHOU UNIV
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