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Control Efficacy of Bacillus spp.to Soybean Root Rot(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2011年04期
Page:
621-625
Research Field:
Publishing date:

Info

Title:
Control Efficacy of Bacillus spp.to Soybean Root Rot
Author(s):
ZHU Wen-jingWU Hui-junGAO Xue-wen
Key Laboratory of Integrated Management of Crop Diseases and Pests,Ministry of Education,College of Plant Protection,Nanjing Agricultural University,Nanjing 210095,Jiangsu,China
Keywords:
Bacillus spp.Biological seed coating agentSoybeanGrowth promotionBiocontrol
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2011.04.0621
Abstract:
Twenty Bacillus strains,with biocontrol potential,were selected from many Bacillus strains which were isolated from rhizosphere soil of plants in Tibet.Through the experiment of dual-culture test in plate,we selected 11 strains which showed strong inhibitory to Fusarium oxysporum f.sp. tracheiphilum,and prepared biological seed coating agent by using their fermentation liquor as active ingredient,and a certain proportion of different material as additives.The indoor test demonstrated that seed coating agent which were prepared with LSSC3 and SYST2 strains could enhance the germination and growth of soybean.The results of greenhouse experiment which had inoculated with pathogenetic fungi in soil showed that,the plant height,fresh weight and root length of soybeans which treated with these two biological agents were evidently higher than chemical agent and uncoated treatment.Besides, two biological seed coating agents could control soybean root rot disease effectively,with good control efficiency of 72.38% and 73.69%.

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Last Update: 2014-08-15