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Volume 27 Issue 1
Mar.  2012
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YAO Jin-ai, CAI Hong-jiao, SHI Niu-niu, GAN Lin, YANG Xiu-juan, CHEN Fu-ru. Genetic Relationship among Banana (Musa spp.) Germplasms Revealed by ISSR Analysis[J]. Fujian Journal of Agricultural Sciences, 2012, 27(1): 37-42.
Citation: YAO Jin-ai, CAI Hong-jiao, SHI Niu-niu, GAN Lin, YANG Xiu-juan, CHEN Fu-ru. Genetic Relationship among Banana (Musa spp.) Germplasms Revealed by ISSR Analysis[J]. Fujian Journal of Agricultural Sciences, 2012, 27(1): 37-42.

Genetic Relationship among Banana (Musa spp.) Germplasms Revealed by ISSR Analysis

  • Received Date: 2011-09-20
  • Rev Recd Date: 2011-11-10
  • Publish Date: 2012-01-30
  • Genetic diversity and relationship among 35 banana germplasms involving 3 genotypes (i.e., AAA, AA and ABB) were studied by using the Inter-Simple Sequence Repeat (ISSR) method.As a result, 6 ISSR primers were selected, 38 bands amplified between 200 bp and 2,000 bp, 27 bands detected for polymorphic DNA, and the percentage of polymorphic DNA 71.05% of polymorphic DNA were found.The genetic distances among the banana cultivars were between 4.30% and 33.33%.A cluster analysis was performed applying the unweighted pair group method on arithmetic averages.The banana germplasms were grouped into 6 clusters based on the genetic distance of 25%.Except for Gongjiao (AA) and Jinfen1 (ABB), which were grouped into Cluster III and IV, respectively, the remaining 33 germplasms were classified into 4 clusters, in which Cluster I contained 22 germplasms from different localities and genetypes (AAA and ABB).All germplasms with genotypes AAA and ABB could not be divided into 2 clusters.There appeared no close genetic relationship among some banana germplasms with same genotypes.The germplasms could be discriminated by the 6 selected primers, and ISSR was considered as an effective method for studying genetic relationship among different banana germplasms resources.
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  • [1]
    SIMMONDS N W. The evolution of the bananas.Tropical Science.Series[M].London:Longmans,1962, 1-12, 170.
    [2]
    牟海飞,林贵美, 邹瑜,等.利用ISSR分子标记分析香蕉种质的遗传多样性[J]. 西南农业学报,2010,23(4):1206-1210.
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