Genetic variability in Russian wildrye (Psathyrostachys juncea) assessed by RAPD

被引：35

作者：

Wei, JZ

Campbell, WF

Wang, RRC

机构：

[1] UTAH STATE UNIV,DEPT PLANTS SOILS & BIOMETEOROL,LOGAN,UT 84322

[2] UTAH STATE UNIV,USDA ARS,FORAGE & RANGE RES LAB,LOGAN,UT 84322

来源：

GENETIC RESOURCES AND CROP EVOLUTION | 1997年 / 44卷 / 02期

关键词：

genetic variation; Psathyrostacys juncea; random amplified polymorphic DNA (RAPD); Russian wildrye;

D O I：

10.1023/A:1008666908478

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

To assess the genetic variation within and among accessions of Russian wildrye (Psathyrostachysjuncea), 88 individuals of 11 accessions originated from geographically diverse locations were analyzed using randomly amplified polymorphic DNA (RAPD). Under the optimized condition, 56% of the 200 tested primers produced polymorphic RAPDs among accessions. High level RAPD marker variations existed both within and among accessions. About 56% and 44% of the amplified fragments were polymorphic within and among accessions, respectively. Accessions from neighboring geographical regions are more similar than those from distant regions. These results are comparable with those obtained from studies on chromosome C-banding and isozyme electrophoresis.

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页码：117 / 125

页数：9

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