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Compound bacterium agent for preventing and treating bacterial diseases of tobacco

A compound bacterial agent and bio-control bacteria technology, applied in the direction of chemicals, applications, biocides for biological control, etc., can solve the problems of time-consuming, labor-intensive, unfavorable long-term prevention and control of tobacco diseases, and achieve the effect of reducing the amount of use

Inactive Publication Date: 2016-10-26
INST OF MICROBIOLOGY HEILONGJIANG ACADEMY OF SCI
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Problems solved by technology

These methods are not only time-consuming and labor-intensive, but traditional chemical fungicides can properly control the harm of tobacco wildfire disease and angular leaf spot, but they are easy to make the bacteria resistant, which is not conducive to the long-term control of tobacco diseases

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  • Compound bacterium agent for preventing and treating bacterial diseases of tobacco
  • Compound bacterium agent for preventing and treating bacterial diseases of tobacco
  • Compound bacterium agent for preventing and treating bacterial diseases of tobacco

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Embodiment Construction

[0032] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings, but it is not limited thereto. Any modification or equivalent replacement of the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention should be covered by the present invention. within the scope of protection.

[0033] The present invention takes two kinds of pathogenic bacteria of tobacco wildfire disease and angular leaf spot as research objects, screens out corresponding biocontrol bacteria A (CGMCC No.10603) and biocontrol bacteria B (CGMCC No.11541) respectively; Bacteria were mixed in different proportions, the antibacterial situation of the compound bacterial agent was studied, the optimal combination was found, and a compound bacterial agent and its optimal ratio that could prevent tobacco wildfire disease and angular spot disease were finally determined...

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Abstract

The invention discloses a compound bacterium agent for preventing and treating bacterial diseases of tobacco. The bacterium agent is prepared through mixing biological control bacteria A and biological control bacteria B according to the volume ratio of (1 to 2): (1 to 2), wherein the preservation number of the biological control bacteria A is CGMCC No. 10603, and the preservation number of the biological control bacteria B is CGMCC No. 11541. According to the compound bacterium agent disclosed by the invention, the biological control bacteria A and the biological control bacteria B are symbiotic and can simultaneously and stably exist in the compound bacterium agent, so that a technical support is provided for biological prevention and control on tobacco diseases, meanwhile, the consumption of chemical pesticides can be effectively lowered, and thus the compound bacterium agent plays a role in protecting environment. By using the compound bacterium agent provided by the invention, the growth of tobacco wildfire and angular leaf spot bacteria can be effectively inhibited, the inhibition zone of wildfire diseases can reach 25mm, and the inhibition zone of angular leaf spot can reach 28mm.

Description

technical field [0001] The invention relates to a compound bacterial agent capable of preventing tobacco wildfire disease and angular leaf spot. Background technique [0002] In recent years, tobacco pests and diseases have become more and more serious. Wildfire disease and angular leaf spot are the main bacterial diseases of tobacco. Huge economic losses have been caused. Biological control has the advantages of no pollution, no pollution, and long-term effect. Since there are not many reports on biocontrol bacteria against tobacco wildfire disease and angular leaf spot, there are even fewer composite bacterial agents that can simultaneously inhibit these two diseases. [0003] At present, the commonly used control measures mainly include: 1. Strengthen field management, promote the rapid growth of tobacco plants, make the internodes of tobacco plants high, the air in the tobacco field is circulated, the light is sufficient, and the disease resistance is strong. 2. Make t...

Claims

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Application Information

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IPC IPC(8): A01N63/00A01P1/00
CPCA01N63/00
Inventor 刘宇帅李晶张淑梅曹旭胡基华姜威孟利强陈静宇
Owner INST OF MICROBIOLOGY HEILONGJIANG ACADEMY OF SCI
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