Preliminary Study on Induced Resistance by Trichoderma Aureoviride and Its Multiple Microbe on Soybean Sclerotinia Sclerotiorum(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

2010年01期

Page:

88-91

Research Field:

Publishing date:

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Title:

Preliminary Study on Induced Resistance by Trichoderma Aureoviride and Its Multiple Microbe on Soybean Sclerotinia Sclerotiorum

Author(s):

SUN Dong-mei¹; LIN Zhi-wei¹; CHI Li²; XIAO Cui-hong¹; CHEN Qi-qiang¹; SUN Xiao-ji¹

1.College of Life Science and Technology，Heilongjiang August First Reclamation University，Daqing 163319，Heilongjiang；

2.Qiqihaer Institute，Heilongjiang Academy of Agricultural Sciences，Qiqihaer 161001，Heilongjiang，China

Keywords:

Sclerotinia sclerotiorum; Trichoderm aureoviride; POD; PPO; PAL

PACS:

S432.1

DOI:

10.11861/j.issn.1000-9841.2010.01.0088

Abstract:

The induced resistance of different bio-control microorganism on Sclerotinia sclerotiorum was investigated.By means of artificial inoculation method，the anti-expansion capacity of antagonistic multiple microbe on soybean Sclerotinia sclerotiorum and the associated enzyme activities were measured.The in vitro experiment showed the restrain ability of antagonism bacterium and Trichoderma aureoviride on lesion expansion by S.sclerotiorum was significant.Pot experiment showed that the PAL，PPO and POD activity of the first compound leaf，the third compound leaf and roots of soybean treated by Trichoderma aureoviride were significantly enhanced，while these enzymes of soybean treated by phosphorus and potassium were less affected，and these associated enzyme activities of soybean treated by chemical fertilizers were reduced；When treated by organic fertilizer，PAL activity was increased，while PPO and POD activitiy had no significant change.Results suggest applying of Trichoderma aureoviride and its multiple microbe is effective in controlling soybean Sclerotinia sclerotiorum.

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