Identification of SSR Marker Link to Maturity QTL in Peach

ACTA HORTICULTURAE SINICA ›› 2011, Vol. 38 ›› Issue (3): 535-540.

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Identification of SSR Marker Link to Maturity QTL in Peach

SONG Li-qin，ZHANG Li-bin*，ZHANG Ji-jun，YU Feng-ming，and XIAO Xiao

1Horticultural College of Science & Technology，Hebei Normal University of Science & Technology，Qinhuangdao，Hebei 066604，China

Received:2010-05-21 Revised:2010-11-19 Online:2011-03-25 Published:2011-03-25
Contact: ZHANG Li-bin

Abstract

Abstract: The self-crossed progeny of Okubo peach were used as material to mapping the maturity QTL in peach. 165 SSR markers from the genome of Prunus persica were screened by Bulked Segregant Analysis（BSA）. BPPCT015，a SSR on the 4th linkage group，was found link to the maturity QTL in peach. The conformity percentage（compared amplification band with phenotype）was 90% and 92% in early maturity（Fruit development period < 75 d）and late maturity（Fruit development period > 120 d）individuals respectively；In 88 peach accessions with different maturity date the conformity percentage was 82% and 84% respectively.

Key words: peach, maturity date, SSR molecular markers, preliminary selection

CLC Number:

S 662.1

SONG Li-qin;ZHANG Li-bin;ZHANG Ji-jun;YU Feng-ming;and XIAO Xiao . Identification of SSR Marker Link to Maturity QTL in Peach [J]. ACTA HORTICULTURAE SINICA, 2011, 38(3): 535-540.

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Identification of SSR Marker Link to Maturity QTL in Peach

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