1College of Agronomy,Guangxi University,Nanning 530004,Guangxi,China；2Research Institute of Cash Crops,Guangxi Academy of Agricultural Sciences,Nanning 530007,Guangxi,China
Abstract：12 Dioscorea batatas Decne germplasm resources from Guangxi Autonomous Region were collected and planted in the fields,their major biological characters were observed and measured.These resources were classified into 4 or 2 groups by clustering analysis,according to their main biological characters.At the same time,they could be classified into 4 groups including North Dioscorea batatas Decne,South Dioscorea batatas Decne,Wildness Dioscorea batatas Decne and Disoscotea alata L.based on their morphology and ecology characters.
