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ACTA HORTICULTURAE SINICA ›› 2009, Vol. 36 ›› Issue (8): 1120-1126.

• 果树 • Previous Articles     Next Articles

Development and Validation of SCAR Markers Linked to the Non-acid /acidTrait of Fruit in Peach

WU Jun1,3;SHU Huai-rui1;ZHANG Kai-chun2*;Zhang Xiao-ming2;JIANG Li-jie2   

  1. (1College of Horticulture Science and Engineering, Shandong Agricultural University, Taian, Shandong 271018, China;2Institute of Forestry and Pom ology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100093, China;3College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China)
  • Received:2009-02-04 Revised:2009-07-02 Online:2009-08-25 Published:2009-08-25
  • Contact: ZHANG Kai-chun

Abstract: In this paper, specific primers of BFPA1/A2 , BFPB1/B2 , BFPC1/C2 were designed respectively according to the sequence of three specific fragments from AFLP markerswhich linked to non-acid/acid trait of peach. A 158 bp polymorphic band was amplified from the DNA of 69 F1 population of the intra-specific cross between cultivars‘Jingyu’and‘Flavortop’with the primer pair BFPB1/B2. Furthermore, the steady and specific amp lification can be got with the primers designed in different location of the AFLP fragmentAT-CTA199. The SCAR marker had the same segregation pattern as the original AFLPAT/CTA marker with a linkage distance of 2199 cM and the AFLP marker was converted into SCAR marker successfully. The SCARBFPB1/B2 marker was tested in 60 F2 p rogeny of‘Okubo’and‘Xingjin’nectarine, and the results showed that the ac2 cordance ratio of genotype and phenotype was 96.7%. The SCAR marker was a codominant marker and could distinguish the heterozygous and homozygous. Polymorphism disappeared in parents and progeny with specific primers BFPA1 /A2 and BFPC1 /C2.

Key words: peach, non-acid/acid, AFLP, SCAR

CLC Number: