Journal of Northern Agriculture ›› 2019, Vol. 47 ›› Issue (5): 1-8.doi: 10.3969/j.issn.2096-1197.2019.05.01

• Germplasm resources·Corp cultivation •     Next Articles

DNA fingerprinting and genetic diversity analysis of Elymus pastures

ZHANG Rui1, TANG Aijia1, XIE Jihong2, SHI Fengling1,3,4, ZHAO Yan1,3,4   

  1. 1.College of Grassland,Resources and Environment,Inner Mongolia Agricultural University,Hohhot 010011,China;
    2.Grassland Research Institute,Chinese Academy of Agricultural Sciences,Hohhot 010010,China;
    3.Key Laboratory of Forage Cultivation,Processing and High Efficient Utilization of Ministry of Agriculture and Rural Affairs,Hohhot 010018,China;
    4.Key Laboratory of Grassland Resources,Ministry of Education,Hohhot 010018,China
  • Received:2019-09-02 Online:2019-10-20 Published:2019-12-11

Abstract: The study provides reference materials for the research,breeding and variety identification germplasm resources of Elymus.The DNA fingerprints of 26 Elymus germplasm materials (including 9 Registered varieties)were constructed using ISSR and SRAP molecular markers and the genetic diversity was analyzed.The results were as follows:95 bands were amplified clearly using 10 single ISSR primers.90 of 95 bands are polymorphic and the percentage of polymorphic bands is 94.74%.In addition,110 bands were amplified clearly using 10 pairs of SRAP primers.100 of the 110 amplified bands are polymorphic and the percentage of polymorphic bands is 90.91%.The genetic similarity coefficient(GS)among the 26 examined Elymus germplasm materials was 0.57~0.89,with an average of 0.73,indicating a rich genetic diversity.UPGMA cluster analysis was carried out based on the GS values and the 26 Elymus germplasm materials were divided into four groups at the GS value of 0.67.The DNA fingerprints of 26 Elymus germplasm materials were constructed using the ISSR primer UBC818 and the SRAP primers me4+em16.

Key words: Elymus, ISSR, SRAP, Genetic diversity, DNA fingerprinting

CLC Number: 

  • S543.9