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ACTA HORTICULTURAE SINICA ›› 2007, Vol. 34 ›› Issue (1): 23-28.

• 果树 • Previous Articles     Next Articles

Phylogenetic Analysis of Stone Fruits Such as Peach, Plum, Apricot, Mumeand Cherry Based on ITS Sequences

LIU Yan-ling; XU Li-ming; CHENG Zhong-ping*   

  1. (Wuhan Botanical Garden, the Chinese Academy of Sciences, Wuhan 430074,China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-02-25 Published:2007-02-25

Abstract: The internal transcribed spacer ( ITS) regions of nuclear ribosomal DNA from 8 species of
Amygdalus L. were sequenced, and analyzed togetherwith other ITS sequences ( from GenBank) of 18 species
representing genera Cerasus Mill. , Armeniaca Mill. , and Prunus L. Taking Padus racem osa (Lam. ) Gilib.
and Padus buergeriana (Miq. ) Y et Ku as outgroup s, phylogenetic analysis of ITS sequences was made by
using PAUP410b4a software. Resusts indicated that 1) The consensus tree could be divided into two main
clades, CerasusMill. and the remaining genera, supported by bootstrap values of 68% and 100%, respective
ly. 2) Species of CerasusMill. formed a basal group (Clade Ⅰ). Prunus L. , Arm eniaca Mill. and Amygda
lus
L. formed a monophyletic group (CladeⅡ) with bootstrap value of 100% , which imp lied that they had
close relationship swith each other and probably had a common origin. CladeⅡwas divided into two subclades. One was Amygdalus L. , and the other was Prunus L. and Armeniaca Mill. Bootstrap values for these two
subcladeswere 100% and 54%, respectively. The evolutional and taxonomic relationship s of stone fruitswere
discussed based on the phylogenetic analysis of ITS sequences, morphological characters and geographical dis
tribution.

Key words: Stone fruits, Phylogeny, Peach, Plum, Apricot, Mume, Cherry