Genetic diversity in Tunisian perennial ryegrass revealed by ISSR markers

被引：0
作者：
S. Ghariani
N. Trifi-Farah
M. Chakroun
S. Marghali
M. Marrakchi
机构：
[1] Campus Universitaire,Laboratoire de Génétique Moléculaire, Immunologie et Biotechnologie. Faculté des Sciences de Tunis
[2] Institut National de Recherches Agronomiques de Tunis,Laboratoire de Production Fourragère
来源：
Genetic Resources and Crop Evolution | 2003年 / 50卷
关键词：
Domestication; Genetic diversity; ISSR markers;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The genetic diversity in Tunisian perennial ryegrass (Lolium perenne) was examined by the help of inter-simple sequence repeats (ISSR). Starting from eighteen accessions, a large number of polymorphic ISSR markers were currently generated using appropriate primers (a total of 136, which average of 12.6 polymorphic bands/primer). These markers were considered to estimate the genetic distance among accessions and to draw phylogenetic trees. Our data provide evidence of a high degree of genetic diversity in Tunisian ryegrass. In addition, both cultivars and wild types present a high degree of divergence suggesting a complex domestication process in this crop. Moreover, spontaneous populations of Tunisian ryegrass have been identified as important ecotypes that are suitable in selection programs to improve grasslands.
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页码：809 / 815
页数：6
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