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ACTA HORTICULTURAE SINICA ›› 2012, Vol. 39 ›› Issue (10): 1885-1892.

• Fruit Trees • Previous Articles     Next Articles

Genetic Analysis and SSR Markers of Acid Gene Ma in Apple

 WANG  Lei-Cun, FAN  Hong-Ke, GAO  Hua, ZHAO  Zheng-Yang   

  1. (1College of Horticulture,Northwest A & F University,Yangling,Shaanxi 712100,China;2Shaanxi Rural Science and Technology Development Center,Xi’an 710054,China)
  • Online:2012-10-25 Published:2012-10-25

Abstract: Researches on heredity characters of acid contents and molecular markers of genes controlling acidness can provide supplementary means for apple breeding in quality.A DNA marker linked to the acid gene(Ma) in apple was explored based on the population of 216 progenies of‘Spur Fuji’בPink Lady’by simple sequence repeat(SSR) technique combined with bulk segregation analysis(BSA). One hundred and two primer pairs were screened,and two SSR markers(CH03d12104+ CH03d12118) closely linked to Ma gene was identified. The linkage distance of two markers locus is 3.24 and 2.31 cM,respectively. The SSR marker analysis showed that the fruit acid trait was governed by Ma1 and Ma2,and Ma was completely dominant to ma.

Key words: apple, Ma gene, SSR marker, genetic analysis

CLC Number: