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ACTA HORTICULTURAE SINICA ›› 2012, Vol. 39 ›› Issue (2): 205-214.

• Fruit Trees •     Next Articles

Studies on Genetic Relationship and Evolutionary Path of Subgenus Amygdalus in China

QIU Rong1,2,CHENG Zhong-ping1,3,*,and WANG Zhang-li1,3   

  1. 1Wuhan Botanical Garden,Chinese Academy of Sciences,Wuhan 430074,China; 2Graduate University of Chinese Academy of Sciences,Beijing 100049,China; 3Key Laboratory for Germplasm Innovation and Characteristic Agriculture,Chinese Academy of Sciences,Wuhan 430074,China
  • Received:2011-10-20 Revised:2012-01-04 Online:2012-02-25 Published:2012-02-25
  • Contact: CHENG Zhong-ping E-mail:chenzp2000@hotmail.com

Abstract: The genetic relationship and evolutionary path of subgenus Amygdalus in China,the botanical characters,internal transcribed spacer(ITS)of the nuclear ribosomal DNA and psbA-trnH of the chloroplast DNA were analyzed. Results indicated that the genetic relationships of A. communis and A. nanaA. pedunculata and A. trilobaA. mongolica and A. tangutica were close respectively. According to the origin of almond and their geographic distribution,it is inferred that the evolution sequences of subgenus Amygdalus in China are as follows:The original species A. nana evolved to A. communisA. triloba and A. tangutica,then A. triloba and A. tangutica evolved to A. pedunculata and A. mongolica respectively.

Key words: subgenus Amygdalus, botanical characters, ITS, psbA-trnH, genetic relationship, evolutionary path

CLC Number: