文献类型: 外文期刊
作者: Bai, R. X. 1 ; Peng, J. Y. 1 ; Li, L. 1 ; Zhang, Y. 1 ; Li, X. Y. 2 ;
作者机构: 1.Agr Univ Hebei, Coll Hort, Baoding 071001, Peoples R China
2.Hebei Acad Agr & Forestry Sci, Shijiazhuang Pomol Inst, Shijiazhuang, Hebei, Peoples R China
关键词: Ziziphus jujuba Mill.;infraspecific classification;genetic relationship;AFLP;UPGMA
期刊名称:I INTERNATIONAL JUJUBE SYMPOSIUM
ISSN: 0567-7572
年卷期: 2009 年 840 卷
页码:
收录情况: SCI
摘要: Chinese jujube (Ziziphus jujuba Mill.) is native and popular fruit of China owing to its wider adaptability, easy management, early bearing, rich nutrition, and multiple uses. The genetic relationships of 22 accessions that represented 6 varieties and a wild related species (Z. acidojujuba C.Y. Cheng et M.J. Liu) of Chinese jujube were analyzed using AFLP technique. Out of 502 marker loci assessed from 17 selective primer combinations, 255 were polymorphic (50.8%). Based on the AFLP data, Dice similarity coefficients among the samples were calculated and a dendrogram was constructed using UPGMA's method. The similarity coefficients within the varieties were found to be lesser than those among varieties which suggest the need of new classification or taxonomic criteria in the species of Z. jujuba.
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