1MA Dai-fu, LI Xiu-ying, LI Hong-min, XIE Yi-ping WANG Yi, ZHANG Li-ming, LIU Zhang-xiong and LI Qiang(Xuzhou Sweetpotato Research Center, Jiangsu 221121 ,CIP-Beijing Liaison Office, Beijing 100081 ,Shandong Academy ofAgricultural Sciences, Jinan 250100).Evaluation of the Characteristics of Virus-free Sweetpotato and Its Use in Hybridization[J].Agricultural Sciences in China,2002,1(3):251-255. 被引量:5