Effect of Soil Bacteria in Soybean Rhizosphere to Fusarium (PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

2011年05期

Page:

823-826

Research Field:

Publishing date:

Info

Title:

Effect of Soil Bacteria in Soybean Rhizosphere to Fusarium

Author(s):

LIU Jia¹; ZHANG Yun-hua¹; MENG Qing-lin¹; SHI Feng-mei¹; MA Li-gong¹; LI Yi-chu¹; JI Wu-peng²; WANG Jun³

1.Institute of Plant Protection,Heilongjiang Academy of Agricultural Sciences,Harbin 150086；

2.Crop Research Institute of Heilongjiang Academy of Land Reclamation Sciences,Jiamusi 154007；

3.Heilongjiang Kenfeng Seed co.，Ltd，Harbin 150090,Heilongjiang,China

Keywords:

Bacteria in soil; Fusarium; Growth of Fusarium mycelial; Sporulation

PACS:

S565.1

DOI:

10.11861/j.issn.1000-9841.2011.05.0823

Abstract:

In an indoor experiment,a biological determination was employed to compare the effect of bacteria,which was isolated from soybean rhizosphere soil,on mycelial growth and sporulation of Fusarium both with different inoculation amount and different access time.Results showed soil bacteria could depress mycelial growth and sporulation of Fusarium in a dose-dependent manner,when the bacteria amount was 5×106cfu·mL^-1,the inhibitory rate of mycelial growth and sporulation reached 98.9% and 98.3%,respectively.The access time of bacteria also had significant influence on inhibitory of mycelial growth and sporulation of Fusarium,the earlier the access time,the obvious the inhibitory effect was.

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