Genetic relatedness among Aechmea species and hybrids inferred from AFLP markers and pedigree data
作者： Fei Zhang , Weiyong Wang , Yaying Ge , Xiaolan Shen , Danqing Tian
DOI: 10.1016/J.SCIENTA.2012.03.002
关键词:
摘要: Abstract Bromeliads are among the most economically important potted ornamentals, however little is available about genetic variability bromeliad cultivars or hybrids for breeding purposes. In this study, relatedness and selected of Aechmea was investigated using amplified fragment length polymorphism (AFLP) markers pedigree data. Eight AFLP primer combinations produced 1498 DNA fragments, which 1465 (97.8%) were polymorphic. The AFLP-based similarity ranged from 0.20 to 0.61 averaged 0.33, while corresponding pedigree-based coefficient coancestry varied 0 0.5, with an average 0.07. This reveals large diversity bromeliads. cluster analysis grouped bromeliads well according their years ancestors, whereas divided only ancestors. Additionally, followed a normal distribution, displayed skewed distribution. A significant though moderate correlation ( r = 0.35, P R 2 = 0.12) observed between two measures. indicates that more effective in quantifying present study provides useful implications efficient conservation utilization germplasm.
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