中国中部太白山不同海拔杜鹃兰根部内生真菌多样性

任玮,杨韧,张永新,唐明

Diversity of endophytic fungi in the roots of Cremastra appendiculata (Orchidaceae) at different altitudes in Taibaishan Nature Reserve, Central China

REN Wei,YANG Ren,ZHANG Yong-Xin,TANG Ming

表3 不同海拔杜鹃兰根际土土壤理化性质

Table 3 Rhizosphere soil factors of Cremastra appendiculata in different altitude sample sites

根际土理化性质 Rhizosphere soil factors 样地海拔Sample site altitudes (m) 1 177 1 409 1 590 有机质 Organic matter (g/kg) 119.50±25.90a 68.46±17.08a 72.14±3.72a 含水量 Water content 0.33±0.03a 0.38±0.02a 0.36±0.01a 硝态氮 Nitrate N (mg/kg) 67.27±25.01a 13.28±1.29b 36.13±2.10ab 铵态氮 Ammonium N (mg/kg) 43.77±11.58a 29.94±1.41a 48.07±6.29a 速效磷 Available P (mg/kg) 50.15±1.17a 30.06±5.29b 34.61±6.84b 速效钾 Available K (mg/kg) 72.91±4.66a 80.99±3.14a 77.20±1.39a