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Fungus preparation for pest control of crops and its preparing method

A technology for diseases and insect pests and crops, which is applied in the field of bacterial agents for the control of crop diseases and insect pests and its preparation. It can solve the problems that bacteria and pests are prone to drug resistance, are easily attacked by bacteria and pests, and affect the yield and quality of crops, so as to prevent reproduction. and invade the host, low processing cost, stable effect

Inactive Publication Date: 2004-02-11
湖北省农业科学院 +1
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  • Abstract
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Problems solved by technology

[0002] During the growth process of crops, they are easily attacked by pathogens and pests, such as rotten bolls of cotton and rotten vegetables, melons and fruits, etc. People use chemical pesticides to control diseases and insect pests. As a result, bacteria and pests are prone to drug resistance, which not only has poor control effect, but also pollutes the environment, vegetables, fruits and cotton fibers.

Method used

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  • Fungus preparation for pest control of crops and its preparing method
  • Fungus preparation for pest control of crops and its preparing method

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Embodiment Construction

[0019] specific implementation plan

[0020] Such as figure 1 Shown preparation method embodiment 1 of the present invention, what it produces is the suspension dosage form of bacterial agent of the present invention, and its preparation steps are:

[0021] Step (1) The screened and rejuvenated Bacillus subtilis strains and Bacillus thuringiensis strains were made into sand tube strains according to the traditional method, and stored in a -4°C refrigerator for later use.

[0022] Step (2) pick the bacillus subtilis bacterial classification into the test tube and cultivate on the medium on the surface of the test tube, then transfer to the surface of the Kirschner flask to cultivate; put 150ml of the liquid medium in the 500ml Erlenmeyer flask, and insert it into the medium after autoclaving The surface strains are placed in a rotating speed of 220 rev / min shake flasks for cultivation, and the above-mentioned cultivation time is 3 to 4 days; the strains are placed on the ferme...

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Abstract

The present invention relates to a kind of bacillus preparation for preventing and controlling pest and disease of crop. The effective components of the bacillus preparation includes spores of Bacillus subtilis and bacillus thringiensis. Spores has high resistance and stable effect in field, and the two kinds of bacillus are different in functional mode and have no mutual interference. The bacillus thringiensis after being eaten by lepidopterous pests will cause lethal septicaemia; while Bacillus subtilis is a kind of beneficial bacillus capable of spreading widely in soil and on the surface of plant body and secreting antibacterial protein with powerful antagonistic effect to harmful bacteria to resist the invasion.

Description

technical field [0001] The invention relates to an agent for preventing and controlling crop diseases and insect pests, in particular to a bacterial agent for preventing and controlling agricultural crop diseases and insect pests and a preparation method thereof. Background technique [0002] During the growth process of crops, they are easily attacked by pathogens and pests, such as rotten bolls of cotton and rotten vegetables, melons and fruits, etc. People use chemical pesticides to control diseases and insect pests. As a result, germs and pests are prone to drug resistance, which not only has poor control effect, but also pollutes the environment, vegetables, fruits and cotton fibers. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a fungal agent for the prevention and control of crop diseases and insect pests and a preparation method thereof. After the fungal agent is sprayed at the bud, fruit and boll stage...

Claims

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Application Information

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IPC IPC(8): A01N63/00
Inventor 吴大椿别墅刘章勇
Owner 湖北省农业科学院
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