TY - JOUR
T1 - A genetic map of Prunus based on an interspecific cross between peach and almond
AU - Foolad, M. R.
AU - Arulsekar, S.
AU - Becerra, V.
AU - Bliss, F. A.
PY - 1995/7
Y1 - 1995/7
N2 - A genetic linkage map of Prunus has been constructed using an interspecific F2 population generated from self-pollinating a single F1 plant from a cross between a dwarf peach selection (54P455) and an almond cultivar 'Padre'. Mendelian segregations were observed for 118 markers including 1 morphological (dw), 6 isozymes, 12 plum genomic, 14 almond genomic and 75 peach mesocarp specific cDNA markers. One hundred and seven markers were mapped to 9 different linkage groups covering about 800 cM map distance, and 11 markers remained unlinked. Three loci identified by three cDNA clones, PC8, PC5 and PC68.1, were tightly linked to the dw locus in linkage group 5. Segregation distortion was observed for approximately one-third of the markers, perhaps due to the interspecific nature and the reproductive (i.e. self-incompatibility) differences between peach and almond. This map will be used for adding other markers and genes controlling important traits, identifying the genomic locations and genetic characterizing of the economically important genes in the genus Prunus, as well as for markerassisted selection in breeding populations. Of particular interest are the genes controlling tree growth and form, and fruit ripening and mesocarp development in peach and almond.
AB - A genetic linkage map of Prunus has been constructed using an interspecific F2 population generated from self-pollinating a single F1 plant from a cross between a dwarf peach selection (54P455) and an almond cultivar 'Padre'. Mendelian segregations were observed for 118 markers including 1 morphological (dw), 6 isozymes, 12 plum genomic, 14 almond genomic and 75 peach mesocarp specific cDNA markers. One hundred and seven markers were mapped to 9 different linkage groups covering about 800 cM map distance, and 11 markers remained unlinked. Three loci identified by three cDNA clones, PC8, PC5 and PC68.1, were tightly linked to the dw locus in linkage group 5. Segregation distortion was observed for approximately one-third of the markers, perhaps due to the interspecific nature and the reproductive (i.e. self-incompatibility) differences between peach and almond. This map will be used for adding other markers and genes controlling important traits, identifying the genomic locations and genetic characterizing of the economically important genes in the genus Prunus, as well as for markerassisted selection in breeding populations. Of particular interest are the genes controlling tree growth and form, and fruit ripening and mesocarp development in peach and almond.
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U2 - 10.1007/BF00220887
DO - 10.1007/BF00220887
M3 - Article
C2 - 24169773
AN - SCOPUS:0001534998
SN - 0040-5752
VL - 91
SP - 262
EP - 269
JO - Theoretical and Applied Genetics
JF - Theoretical and Applied Genetics
IS - 2
ER -