首页 | 本学科首页   官方微博 | 高级检索  
     


Allozyme divergence and evolution in the genusLens
Authors:Ronit Pinkas  Dr. Daniel Zamir  Dr. Gideon Ladizinsky
Affiliation:(1) Dept. of Field and Vegetable Crops, Faculty of Agriculture, The Hebrew University of Jerusalem, P.O. Box 12, 76-100 Rehovot, Israel
Abstract:The genusLens includes 5 taxonomic species:L. culinaris is cultivated andL. orientalis, L. odemensis, L. ervoides, andL. nigricans are wild. All the species are annual and almost exlusively selfers. The wild lentils are distributed over a large geographical area and form small disjunct populations which are composed of a small number of plants. 67Lens populations were assayed electrophoretically for 9 enzyme systems; 15 enzymic genes with 37 alleles were identified. The genetic distances (D) measured between the pairs of populations indicated a significantly greater similarity between populations belonging to the same taxonomic species. Assuming the populations represent a random sample of the variability in each of the species the genetic distances (D) between the 5 taxa were calculated. The shortest genetic distance was found betweenL. orientalis andL. culinaris. Another significant feature of the data is the apparent isolation ofL. nigricans from the other 4 species. The genetic distances between theLens species are compared to the patterns of crossability barriers between them.
Keywords:Angiosperms   Leguminosae    Lens. —   Systematics  allozymes  reproductive barriers  domestication
本文献已被 SpringerLink 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号