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中国科学院昆明植物研究所知识管理系统
Knowledge Management System of Kunming Institute of Botany,CAS
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昆明植物所硕博研究生... [1]
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学位论文 [1]
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2010 [1]
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中文 [1]
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Below-grou... [1]
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资助项目:Below-ground ectomycorrhizae (ECM) community and diversity study is one of the intensively explored area in mycological ecology. Such study, however, was insufficient in China. Ectomycorrhizal fungus diversity and ectomycorrhizal morphology of Pinus yunanensis seedlings in central Yunnan province, were studied by combining morphology and the analysis of rDNA ITS and rDNA LSU sequences from ECM.114 rDNA ITS sequences and 15 rDNA LSU sequences were obtained from roots of 86 Pinus yunanensis seedlings. Totally, 37 species of 16 genera, 15 families of Basidiomycetes and 8 species of 6 genera, 5 families of Ascomycetes were recognized, among of which Thelephoraceae and Russulaceae are dominant. Tomentella and Russula hold the highest species diversity, both represented by 8 species. The most frequent species were Pseudotomentella tristis and T. subclavigera. Contact exploration and short-distance exploration were main exploration types of the ECM on Yunnan pine seedlings.Species diversity was higher on Yunnan pine than on other seedlings. Russula, a group that doesn’t prevail in young stage of other seedlings, was found to be dominant on Yunnan pine seedlings. Tuber and Suillus, common early-stage ECMF on other seedlings, were not found in this work. Pseudotomentella, a genus rarely occurring on other seedlings, shows relatively high frequency on Yunnan pine seedlings.Morphological characteristics of Tomentella, Russula and some other genera were given. The practice in this work demonstrated that integrating ECM morphotyping and sporocarps surveys with DNA analysis of ECMF is an effective approach for documenting the ECMF community.
专题:昆明植物所硕博研究生毕业学位论文
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滇中云南松幼苗外生菌根真菌多样性和外生菌根形态学研究
学位论文
, 北京: 中国科学院研究生院, 2010
作者:
谢雪丹
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提交时间:2013/01/28