Arbuscular mycorrhizal fungi diversity associated with two halophytes Lycium barbarum L. and Elaeagnus angustifolia L. in Ningxia, China
文献类型： 外文期刊
作者： Liu, Hongguang 1 ; Wang, Yajun 3 ; Tang, Ming 2 ;
作者机构： 1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling, Peoples R China
2.Northwest A&F Univ, Coll Forestry, Yangling, Shaanxi, Peoples R China
3.Ningxia Acad Agr & Forestry Sci, Ningxia Wolfberry Engn & Technol Res Ctr, Yinchuan, Peoples R China
关键词： AMF community;diversity;spore identification;salinity;edaphic factor
期刊名称：ARCHIVES OF AGRONOMY AND SOIL SCIENCE （ 影响因子：3.092； 五年影响因子：2.745 ）
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收录情况： SCI
摘要： The Arbuscular mycorrhizal fungi (AMF) community in saline soils of Ningxia, China, was rarely reported. Soils in the rhizosphere of two important food plants, Lycium barbarum L. (Goji) and Elaeagnus angustifolia L. (Oleaster), were sampled from Ningxia (Goji from Huinong, HNGQ; Goji from Yinchuan, YCGQ; Oleaster from Yinchuan, YCSZ) to investigate the AMF community. Thirty-three AMF species from 11 genera were identified in total. The dominant family and genera were Glomeraceae, Acaulospora and Glomus, respectively. Septoglomus constrictum was the most abundant species. The AMF community composition of Goji was different from that of Oleaster (R=0.26, p<0.05), while the AMF community from Huinong differed from Yinchuan (R=1.0, p=0.01). These findings suggest a high AMF diversity in Ningxia saline soils and the effect of host plant identity on AMF community composition. Furthermore, the AMF diversity index positively correlated with available potassium (AK), available phosphorus (AP), available nitrogen (AN) and organic matter (OM), but negatively correlated with electric conductivity (EC). This result demonstrated that a high level of salinity might reduce soil fertility and AMF diversity. The saline area with high diversity of the AMF community in Ningxia is promising for screening AMF isolates for utilization in crop production.
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