title:Strawberry (Fragaria spp.) Structural Genomics
author:Daniel J. Sargent, Thomas M. Davis and David W. Simpson
year:2009
place of publish:Springer New York
abstract:
The genus Fragaria has a basic chromosome number of seven (x=7) (Ichijima, 1926), and four main fertility groups are recognized: the diploids (2n=2x=14) which include the model species for the genus, F.?vesca, (Oosumi et al., 2006) amongst the 14 described species; the tetraploids (2n=4x=28) including F.?orientalis; the single hexaploid species F.?moschata (2n=6x=42); and four octoploid species (2n=8x=56): F.?chiloensis, F.?iturupensis, F.?virginiana and the hybrid cultivated strawberry, F.?×ananassa.
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