甘肃省陇南、天水林区土壤曲霉属种的研究

Aspergillus spp.in Soil of Gansu Longnan and Tianshui

对100份来自陇南、天水林区的土样进行曲霉属(AspergillusM ich.ex L ink:Fr.)菌的分离,结合菌落形态及显微镜下孢子的形态将各菌鉴定到种。结果表明:甘肃省陇南、天水林区土壤中分布有6个种和4个变种。分别是烟曲霉原变种(Aspergillus fum igatusvar.fum igatus)、烟曲霉椭孢变种(Aspergillus fum igatusvar.ellipticus)、土曲霉原变种(Aspergillus terreus)、杂色曲霉原变种(Aspergillus versicolor)、刺孢裸胞壳(Em ericella echinulata)、构巢裸胞壳(Em ericella nidulansvar.nidulans)、褶皱裸胞壳(Em ericella rugulosa)、四脊裸胞壳(Em ericella quadrilin-eata)、茴香裸胞壳(Em ericella foeniculicola)及矮棒曲霉(Aspergillus cavatonaicus)。

Aspergillus spp. was examined from lO0 soil samples from Gansu longnan and tianshui. The isolates were identified according to colony features on Czapek＇s agar and malt extract agar and the characteristics of ascospores observed under microscope. Seven species and three varieties of Aspergillus were obtained. They are Aspergillus fumigatus vat. fumigatus, A. fumigatus var. ellipticus, A. terreus, A. versicolor, E. echinulata, E. nidulans var. nidulans, E. rugulosa, E. quadrilineata,E, foeniculicola and A. cavatonaicus.