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3种外生菌根真菌在杨树栽植区盐碱土壤中的适应性分析(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2009年04期
Page:
53-56
Column:
研究论文
publishdate:
2009-07-30

Article Info:/Info

Title:
Adaptability analysis of three species of ectomycorrhizal fungi in saline soil extracts of poplarplanting area
Author(s):
FAN Kesheng WU Xiaoqin*
Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing 210037, China
Keywords:
ectomycorrhizal fungi saline soil extracting solution Na+ K
Classification number :
S718.81
DOI:
10.3969/j.jssn.1000-2006.2009.04.011
Document Code:
A
Abstract:
In order to select the excellent ectomycorrhizal fungi from three species of ectomycorrhizal fungi adapting to different saline areas, three species of ectomycorrhizal fungi were grown in vitro in the saline soil extracts, which were collected from poplarplantations in Shandong and Jiangsu province. The colony diameter, biomass and salt ions content of fungi were evaluated. The results showed that the three species of ectomycorrhizal fungi had greater capacities of saline tolerance. Their growth and biomass were not obviously reduced under salt stress, but they were adapted to different saline area. Lactaricu insulsus (Li) grew well in all saline area, so it had wide range of adaptability. Xerocamus chrysenteron (Xc) grew well in saline area of Dezhou and Dongying. Boletus edulis (Be) grew well in saline area of Yancheng only. Li and Xc exhibited greater capacities of Na+ and K+ absorption under salt stress, so they were saltincluder; Be exhibited greater capacity to exclude Na+, so it was a saltexcluder. We propose that the three species of ectomycorr

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Last Update: 2009-07-30