|Table of Contents|

Effects of Different Biocontrol Agents on Soil Microbial Number and Enzyme Activity in the Cucumber Rhizosphere(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年01期
Page:
10-14
Research Field:
Publishing date:

Info

Title:
Effects of Different Biocontrol Agents on Soil Microbial Number and Enzyme Activity in the Cucumber Rhizosphere
Author(s):
YIN Shu-li1; 2.;  MA Yao-hua1; 2.;  ZHANG Li-ping1; 2.;  ZHANG Gen-wei1; 2.;  HUANG Ya-li1; 2.;  LIANG Ran3;  ZHOU Jing1; 2.;  CUI Guan-hui1; 2.;  DUAN Pu-fan1; 2.
1.Hebei Academy of Sciences Institute of Biology, Shijiazhuang, Hebei 050081;?
2. Main Crops Disease of Microbial Control Engineering Technology Research Center in Hebei Province, Shijiazhuang, Hebei 050081;?
3.Luquan Tongye Regional Station of Agricultural Technology Extension, Shijiazhuang, Hebei 050200
Keywords:
biocontrol agents;  cucumber rhizosphere;  soil microbial number;  enzyme activity
PACS:
S 642.206+.1
DOI:
-
Abstract:
Pot experiments were carried out to investigate effect of single biocontrol agents(bacteria D, actinomycetes 317, fungi) on soil microbial number and enzyme activity in the different growing stages cucumber rhizosphere. The treatment of bacteria D and actinomycetes 317 could raise the number of bacteria and actinomycetes, decrease the number of fungi; the treatment of fungi could raise the number of actinomycetes and fungi; three agents could raise the activity of Catalase, invertase, urease , the activity was the biggest in the wane period. The results in the wane period showed that the treatments of inoculating D bacteria and 317 actinomyces could increase the number of bacteria and decrease the number of fungi, but could not effect apparently the number of actinomyces; the treatment of inoculating Trichoderma could increase the number of actinomyces and fungi, but could not effect apparently the number of bactira; compared with the control, three treatments of the ratios of bactria and fungi raised 1～2 times, the ratios of actinomyces and fungi were increased apparently. Three different treatments could increase Catalase, invertase, urease activity of cucumber rhizosphere soil.

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Last Update: 2014-08-22