Application of AFLP Analysis in Origin of Malus xiaojinensis Cheng et Jiang

ACTA HORTICULTURAE SINICA ›› 2008, Vol. 35 ›› Issue (2): 281-284.

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Application of AFLP Analysis in Origin of Malus xiaojinensis Cheng et Jiang

SHI Sheng-you¹，Cheng Ming-hao²，HU Yu-lin¹，GUO Qi-gao²，LIANG Guo-lu^2*，and ZHOU Zhi-qin^2*

(¹ South Subtropical Crop Research Institute, Zhanjiang, Guangdong 524091，China;²College of Horticulture and Landscape, Southwest University , Chongqing 400715，China)

Received:2007-08-08 Revised:2008-01-11 Online:2008-02-25 Published:2008-02-25
Contact: LIANG Guo-lu,ZHOU Zhi-qin

Abstract

Abstract:

This study analyzed Malus xiaojinensis Cheng et Jiang, apple trees were similar to Malus xiaojinensis Cheng et Jiang differentiated from M. toringoides Hughes, M. toringoides Hughes×M. kansuensis Rehd, M. kansuensis Rehd, M. toringoides Hughes by AFLP to explore the origin of M.xiaojinensis Cheng et Jiang. There were high degree of genetic identity among M.xiaojinensis Cheng et Jiang, apple trees were similar to M. xiaojinensis Cheng et Jiang differentiated from M. toringoides Hughes and M. toringoides Hughes×M. kansuensis Rehd, and their genetic similar coefficient were from 0.977 to 0.986. M. xiaojinensis Cheng et Jiang, meanwhile there were 98.08% bands of M. xiaojinensis Cheng et Jiang were from M. kansuensis Rehd and M. toringoides Hughes. The results showed that M. kansuensis Rehd and M. toringoides Hughes had close relationship. According to the AFLP analysis and previous researchs, we discussed the origin of M. xiaojinensis Cheng et Jiang and proposed that the species may derive from M. toringoides Hughes×M. kansuensis Rehd. Our findings have provided basic research data and important directions for the cultivation and exploitation of the Malus xiaojinensis.

Key words: Malus xiaojinensis Cheng et Jiang, AFLP, Genetic identity, Genetic similar coefficient, origin, hybrid

CLC Number:

S 661

SHI Sheng-you;Cheng Ming-hao;HU Yu-lin;GUO Qi-gao;LIANG Guo-lu;and ZHOU Zhi-qin . Application of AFLP Analysis in Origin of Malus xiaojinensis Cheng et Jiang [J]. ACTA HORTICULTURAE SINICA, 2008, 35(2): 281-284.

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Application of AFLP Analysis in Origin of Malus xiaojinensis Cheng et Jiang

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