Articles

EVALUATION OF PRUNUS KANSUENSIS AS A GENETIC TESTER FOR PEACH

Article number
962_22
Pages
151 – 154
Language
English
Abstract
Mapping of traits in peach is hindered by the low heterozygocity encountered in peach × peach crosses.
Typical heterozygocity rates in peach × peach crosses are in the range of 25-35% percent.
The use of interspecific hybrids greatly increases the number of heterozygous markers in F1 hybrids and facilitates the making of genomic maps without blind regions.
We have initiated the evaluation of Prunus kansuensis Rehder as a parent for genetic studies in peach.
Peach × P. kansuensis F1 and F2 populations have been generated.
F1 hybrids are vigorous, healthy and highly fertile producing large numbers of F2 seed.
F2 seedlings are precocious with over 75% of seedlings producing flower buds by 18 months age.
F2 seedlings show little evidence of inbreeding depression or hybrid breakdown.

Publication
Authors
J.X. Chaparro, O. Carillo, W.B. Sherman, T.G. Beckman
Keywords
Prunus kansuensis, breeding
Full text
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J.X. Chaparro | W.B. Sherman | T.G. Beckman
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