Volume 58 Number 1 Article 6
Year 2004 Month 1
Title: Breeding Potential of Lower Ploidy Fragaria Species (Hedrick Student Award Review Paper 2003)
Authors: R.M. Harbut and J.A. Sullivan
Abstract:
The recent discovery of the narrow genetic base of the cultivated strawberry has sparked a renewed
interest in the use of wild Fragaria species in breeding programs.
The two progenitor octoploid species,
F. chiloensis and F. virginiana are the only species that have been predominantly used in strawberry
breeding.
There are however, several lower ploidy Fragaria species (2x, 4x, and 6x) with desirable
characteristics such as unique flavors, vigor, disease and pest resistance, and adaptability to a wide range
of habitats that also have potential for use in breeding programs.
The development of the synthetic
octoploid system has created the opportunity to efficiently incorporate lower ploidy wild species
germplasm into the cultivated strawberry.
A better understanding of the characteristics of the lower
ploidy wild species may assist in the effective use of this valuable germplasm.
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