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Publication Type J
Authors Wang, F. Y., R. J. Liu, X. G. Lin and J. M. Zhou
Title Arbuscular mycorrhizal status of wild plants in saline-alkaline soils of the Yellow River Delta
Source Mycorrhiza
Author Keywords arbuscular mycorrhizal fungi; Yellow River Delta; saline- alkaline soils; spore density; relative abundance vertical-distribution; salt stress; fungi; glomus; roots; halophytes; colonization; diversity; dynamics; marshes
Abstract A survey was made of the arbuscular mycorrhizal (AM) status of five dominant wild plants Tamarix chinensis, Phragmites communis, Suaeda glauca, Aeluropus littoralis var. sinensis and Cirsium setosum in saline-alkaline soils of the Yellow River Delta that show low plant diversity. All of the species were colonized and showed typical AM structures (arbuscules, vesicles). The colonization percentage ranged from 0.2% to 9.5%, where C. setosum was the highest. The species richness of AMF at the different sites ranged from 2.00 to 2.40 per 50 ml soil, with an average of 2.16. Species diversity ranged from 1.99 to 2.22 per 50 ml soil, with an average of 2.13. Spore density ranged from 3 to 30 per 50 ml soil, with an average of 12. Glomus was the dominant genus, with a frequency and relative abundance of 88.1% and 68.4%, respectively. G. caledonium, with a frequency and relative abundance of 15.0% and 4.6%, respectively, was the dominant species. Differences were also observed in the distribution of AMF in different soil layers. Although there were still AM fungal spores in the layer 40 cm below the surface, most spores were found at a depth of 0-40 cm.
Author Address Chinese Acad Sci, Inst Soil Sci, Nanjing 210008, Jiangsu Prov, Peoples R China Chinese Acad Sci, Inst Soil Sci, Nanjing 210008, Jiangsu Prov, Peoples R China Laiyang Agr Coll, Mycorrhiza Lab, Laiyang 265200, Shandong Prov, Peoples R China Wang FY Chinese Acad Sci, Inst Soil Sci, Nanjing 210008, Jiangsu Prov, Peoples R China
29-Character Source Abbreviation Mycorrhiza
Publication Date Apr
Year Published 2004
Volume 14
Issue 2
Beginning Page 133-137
Unique Article Identifier ISI:000221302400009
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