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THE EFFECT OF BIOCONTROL AGENTS OF TRICHODERMA AGAINST SOYBEAN ROOT ROT ON SOIL MICROORGANISM(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2007年02期
Page:
198-203
Research Field:
Publishing date:

Info

Title:
THE EFFECT OF BIOCONTROL AGENTS OF TRICHODERMA AGAINST SOYBEAN ROOT ROT ON SOIL MICROORGANISM
Author(s):
XU Yan-li1; 2; 3ZHANG Hong-ji2; 3; ZHANG Yun-hua1; LI Chun-jie2
1．Postdoctoral Working Station of Northeast Forestry University，Harbin 150040；
2．Heilongjiang Academy of Agricultural Science， Harbin 150086；
3． Northeast Institute of Geography and Agricultural ecology，CAS，Harbin 150081
Keywords:
Trichoderma; Biocontrol granule agent; Soybean; Soybean root rot; Soil microorganism
PACS:
S151.94
DOI:
10.3969/j.issn.1000-9841.2007.02.017
Abstract:
The test was conducted on plots of soybean fields,the aim is to discuss the effects of agent by Trichoderma spp. and several biocontrol combinations on soil microorganism community, after they were used in soybean fields. The results indicated that the biocontrol granules agent neither changed the soil microorganism system nor made distinct fluctuation of some soil microorganism. The populations of fungi in soil with most of biocontrol granule combinations were lower than that of seed coat during soybean growth, however，the populations of actinomyces in soil with combination biocontrol granule agents were higher than that of seed coat, the populations of bacteria in soil with combination biocontrol granule No.1 and No.4 were higher than those of seed coat and CK in V1, the same results were found to bacteria of soils with most of biocontrol granules from R1 to R8. The populations of Trichodermaspp.increased due to biocontrol granules in V1 and R1.The populations of Fusarium spp.were low in soil with biocontrol granules,seed coat and CK in V1,the populations of Botrytis spp.of soil with biocontrol granules were lower than that of CK but biocontrol granule combination No.1 in VE and R4. The populations of Penicillium spp.in soil with biocontrol granules were higher than that of CK excluding R4.

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Last Update: 2014-10-21