PS mixture of compound biocontrol fungicide for preventing soil-borne diseases of vegetables
A technology for soil-borne diseases and biocontrol agents, applied in the directions of biocides, fungicides, biocides, etc., can solve the problems of chemical pesticide pollution, lack of high-efficiency biocontrol agents, and high use costs, and achieves a Conducive to export, improved control effect and cost saving effect
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[0022] Preparation of PS composite bacterial agent
[0023] A compound bacterial agent for preventing and treating soil-borne diseases of vegetables, which consists of bacterial strains PX35 and SM21, both of which are of the genus Bacillus spp., both of which are preserved in the General Microorganism Center of China Microbiological Culture Collection Management Committee. The preservation number of the PX35 strain is CGMCC NO.1930, and the preservation date is January 26, 2007; the preservation number of the SM21 strain is CGMCC NO.2058, and the preservation date is May 24, 2007.
[0024] The bacterial agent is obtained by a conventional bacterial culture method, shaken with PDA culture solution at 30°C and 180rpm for 36 hours, and then centrifuged at 4000g to obtain 13-16g wet bacteria per 1000ml culture solution, and each gram of wet bacteria contains 4×10 10 -10 15 bacteria.
[0025] Take the wet bacteria and the thalline preservation solution at a ratio of 1:40 (g / ml) ...
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