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Method for preventing and treating rice planthoppers through beauveria bassiana

A technology of Beauveria bassiana and rice planthopper is applied in the field of using Beauveria bassiana to control rice planthopper, which can solve the problems of low yield of organic rice and inability to satisfy consumers and the like

Inactive Publication Date: 2016-07-20
JURONG TIANWANG TOWN DAIZHUANG ORGANIC AGRI PROFESSION COOP
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] However, due to the low yield of organic rice, it cannot meet the needs of most consumers

Method used

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Embodiment

[0020] Embodiment: a kind of method utilizing Beauveria bassiana to control rice planthopper, is characterized in that, comprises the following steps:

[0021] 1. Preparation before fermentation: Before starting fermentation, disinfect the floor of the fermentation room with 5% bleach, scrub the utensils used for fermentation with 0.5% Promoteril, and seal the fermentation room with 5ml / m 3 Formalin fumigation for 12 hours;

[0022] 2. Beauveria bassiana fermentation and isolation: The medium for solid-state fermentation of Beauveria bassiana includes rice husk, corn flour, and soybean flour. The shallow plate solid-state fermentation is carried out in a 25m3 fermenter, and the initial moisture content of the medium is 60%~65%. , the aeration conditions are as follows: no ventilation for the first 12 hours, 1:2 ventilation for 12~48 hours, 1:1 ventilation for 48~144 hours, and the temperature is controlled at 20-25 degrees Celsius within 12~48±8 hours, and fermented after 144 ...

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PUM

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Abstract

The invention discloses a method for preventing and treating rice planthoppers through beauveria bassiana.The method comprises the steps that fermentation and reproduction are performed on beauveria bassiana in a room, high-concentration beauveria bassiana high sporopollen is obtained, and a bacteria solution with the spore concentration being 0.1-0.3 billion / ml is manufactured to be sprayed to rice, wherein the effective material for killing rice planthoppers of the bacteria solution is viable spores of beauveria bassiana; after the spores make contact with rice planthoppers, germination is performed on the proper temperature condition, hyphae grow and invade the rice planthoppers, a large number of hyphae and secretions are generated, rice planthoppers are sick and dead about 4-5 days later.The dead rice planthoppers are white and stiff and full of hyphae and white powdery spores on the surface, the spores can continue to be spread by means of wind, insects and the like, and other rice planthoppers are infected.

Description

technical field [0001] The invention relates to the field of biological control of pests, in particular to a method for controlling rice planthoppers by using Beauveria bassiana. Background technique [0002] Organic agriculture refers to following the laws of ecology in agricultural production, basically not using synthetic materials such as chemical fertilizers, pesticides, and chemical agents, but using organic fertilizers and organic feeds such as livestock manure, green manure, and straw returning to the field as much as possible, and trying various biological and physical measures to control agricultural production methods of pests and diseases. In the 1970s, organic agriculture flourished in developed countries. Organic agriculture has no pollution, is conducive to ecological environment protection, and has good taste, safety and high quality. Therefore, it has been rapidly popularized and applied in more than 100 countries in the world. Organic agriculture in my coun...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01P7/04
CPCA01N63/30
Inventor 杨豪赵亚夫王长军
Owner JURONG TIANWANG TOWN DAIZHUANG ORGANIC AGRI PROFESSION COOP
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