Arid
DOI10.1007/s11434-006-8218-8
Arbuscular mycorrhizal associations in the Gurbantunggut Desert
Tian Changyan; Shi Zhaoyong; Chen Zhichao; Feng Gu
通讯作者Feng Gu
来源期刊CHINESE SCIENCE BULLETIN
ISSN1001-6538
出版年2006
卷号51页码:140-146
英文摘要

The plants in the Gurbantunggut Desert located in Xinjiang, China are drought adapted species and grow in generally nutrient-poor soils. A survey was conducted in the desert to determine the arbuscular mycorrhizal (AM) status associated with the desert plants which belong to 23 species from 11 families of annuals and perennials. Roots from all plants were examined for the presence of internal and external hyphae, vesicles and coils/arbuscules to determine the status and extent of mycorrhizal colonization. Of the plant species surveyed, 14 (61%) were found to form AM associations, 5 (22%) were possible AM colonized species, and 4 were non-mycorrhizal plants. The proportions of annuals and shrubs forming AM were significantly lower than those of perennials and herbs, respectively. Spore density varied from 5 to 21 per 20 g in soil of root zone. 14 AM fungal taxa in 3 genera were isolated and identified, 10 of which belonged to Glomus, 3 to Acaulospora, and 1 to Archaeospora. Glomus was the dominant genus in all genera identified. G deserticola and G etunicatum were the most common taxa isolated, with occurrence frequencies of 77.4% and 74.8%, and relative abundances of 14.4% and 15.5%, respectively.


英文关键词xerophyte arbuscular mycorrhiza spore density relative abundance frequency Gurbantunggut Desert
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000240001900018
WOS关键词PLANT COMMUNITY STRUCTURE ; COASTAL SAND-DUNES ; FUNGAL DIVERSITY ; BAJA-CALIFORNIA ; GAS-EXCHANGE ; PRODUCTIVITY ; GRASSLANDS ; DROUGHT ; ENDOMYCORRHIZAE ; CHENOPODIACEAE
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
来源机构中国科学院新疆生态与地理研究所 ; 中国农业大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/151064
作者单位(1)Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China;(2)China Agr Univ, Coll Resources & Environm Sci, Beijing 100094, Peoples R China
推荐引用方式
GB/T 7714
Tian Changyan,Shi Zhaoyong,Chen Zhichao,et al. Arbuscular mycorrhizal associations in the Gurbantunggut Desert[J]. 中国科学院新疆生态与地理研究所, 中国农业大学,2006,51:140-146.
APA Tian Changyan,Shi Zhaoyong,Chen Zhichao,&Feng Gu.(2006).Arbuscular mycorrhizal associations in the Gurbantunggut Desert.CHINESE SCIENCE BULLETIN,51,140-146.
MLA Tian Changyan,et al."Arbuscular mycorrhizal associations in the Gurbantunggut Desert".CHINESE SCIENCE BULLETIN 51(2006):140-146.
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