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Screening and Identification of Biocontrol Dominant Bacterium against to Soybean Root Rot(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2015年04期
Page:
661-665
Research Field:
Publishing date:

Info

Title:
Screening and Identification of Biocontrol Dominant Bacterium against to Soybean Root Rot
Author(s):
GAO Tong-guo1;  LI Shu-na1;  ZHANG Dong-dong1;  WANG Ling-min2;  GUO Xiao-jun1;  ZHU Bao-cheng1
1.College of Life Science, Agricultural University of Hebei, Baoding 071001, China;?
2.Mumeihuading Biological Fertilizer Co. Ltd, Tangshan 063000, China
Keywords:
Soybean root rot;  Fusarium oxysporum;  Bacillus subtilis;  Biocontrol bacterium
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2015.04.0661
Abstract:
Root rot is one of the most serious diseases which caused reduction of soybean yield, and Fusarium sp is considered as the main pathogen fungi caused this disease in China. In this study, Fusarium oxysporum was taken as indicative fungus, we screened one strain 8-32 against to Fusarium oxysporum from 237 strains saved in our laboratory using the method of dual culture on agar plate.According to colony morphology, 16S rRNA gene sequence, physiological and biochemical characters, we identified this strain as Bacillus subtilis.Results showed that the strain 8-32 reduced the incidence of soybean root rot disease index under controlled glasshouse conditions, which up to 32.08%.This strain, 8-32, has the potential to form production to control the soybean root rot

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Last Update: 2015-09-01