title: [Genetic diversity of Dactylis glomerata germplasm resources detected by Inter-simple Sequence Repeats (ISSRS) molecular markers].
abstract: Inter-simple Sequence Repeat (ISSR) molecular markers were used to detect the genetic diversity among 50 materials of Dactylis glomerata collected from China and other countries. Twelve primers produced 101 polymorphic bands, averaged 8.41 bands each primer pair. The average percentage of polymorpgic bands was 86.3.8%, and the range of GS (define) was 0.6116-0.9290, indicating a rich genetic diversity of D. glomerata. Based on the cluster and principal component analyses on the genetic characteristics, D. glomerata could be divided into 5 groups according to the nearest phylogenetic relationship. In most cases, accessions from the same continent were classified into the same group, the accessions from China and the United States belong to the different groups, respectively, indicating the geographical distribution of genetic diversity of D. glomerata. The present paper also discussed collection and conservation of germplasm resources in D. glomerata.
authors.affiliation: Department of Grassland, Sichuan Agricultural University, Ya'an, China. zbin78@163.com
authors.forename: Bing
authors.initials: B
authors.lastname: Zeng
authors.forename: Xin-Quan
authors.initials: XQ
authors.lastname: Zhang
authors.forename: Yan
authors.initials: Y
authors.lastname: Fan
authors.forename: Ying
authors.initials: Y
authors.lastname: Lan
authors.forename: Xiao
authors.initials: X
authors.lastname: Ma
authors.forename: Yan
authors.initials: Y
authors.lastname: Peng
authors.forename: Wei
authors.initials: W
authors.lastname: Liu
mesh_terms: D003247:Conservation of Natural Resources; D031745:Dactylis / Q000145:classification / Q000235:genetics*; D005819:Genetic Markers / Q000235:genetics; D014644:Genetic Variation; D010802:Phylogeny; D016133:Polymerase Chain Reaction; D011110:Polymorphism, Genetic; D025341:Principal Component Analysis; D012091:Repetitive Sequences, Nucleic Acid / Q000235:genetics*
chemical_list: D005819:Genetic Markers