Czech J. Genet. Plant Breed., 2002, 38(2):65-68 | DOI: 10.17221/6113-CJGPB

Molecular genetic mapping in apricot

J. Salava, Y. Wang, B. Krška, J. Polák, P. Komínek, R.W. Miller, W.M. Dowler, G.L. Reighard, A.G. Abbott
2 3 1 1 JAROSLAV SALAVA , YING WANG , BORIS KRŠKA JAROSLAV POLÁK , PETR KOMÍNEK , 5 5 2 4 ROBERT W. MILLER , WILLIAM M. DOWLER , GREGORY L. REIGHARD and ALBERT G. ABBOTT Division of Plant Medicine, Research Institute of Crop Production, Prague-Ruzyně,
1 Czech Republic; 2Department of Horticulture, Clemson University, Clemson, USA;
3 Faculty of Horticulture, Mendel University of Agriculture and Forestry in Brno, Lednice na Moravě, Czech Republic; 4Department of Biochemistry and Genetics, Clemson University, Clemson, USA; 5Department of Plant Pathology, Clemson University, Clemson, USA

A genetic linkage map for apricot (Prunus armeniaca L.) has been constructed using amplified fragment length polymorphism (AFLP) markers in 80 BC1 individuals derived from a cross LE-3246 × Vestar. From 26 different primer combinations, a total of 248 AFLP markers were scored, of which, 40 were assigned to 8 linkage groups covering 315.8 cM of the apricot nuclear genome. The average interval between these markers was 7.7 cM. One gene (PPVres1) involved in resistance to PPV (Plum pox virus) was mapped. Two AFLP markers (EAA/MCAG8 and EAG/MCAT14) were found to be closely associated with the PPVres1 locus (4.6 cM resp. 4.7 cM). These markers are being characterized and they will be studied for utilization in apricot breeding with marker-assisted selection (MAS).

Keywords: Prunus armeniaca L.; Plum pox virus; resistance; AFLP; genetic mapping

Published: June 30, 2002  Show citation

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Salava J, Wang Y, Krška B, Polák J, Komínek P, Miller RW, et al.. Molecular genetic mapping in apricot. Czech J. Genet. Plant Breed. 2002;38(2):65-68. doi: 10.17221/6113-CJGPB.
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