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Chromosome relationships and morphological comparisons between the di ploid oats avena prostrata avena canariensis and the tetra ploid avena maroccana



Chromosome relationships and morphological comparisons between the di ploid oats avena prostrata avena canariensis and the tetra ploid avena maroccana



Canadian Journal of Genetics & Cytology 22(2): 287-294



The morphology and chromosome pairing of the triploid hybrids A. canariensis Baum, Rajhathy et Sampson .times. A. maroccana Gdgr., A. prostrata Ladiz .times. A. maroccana, the diploid A. prostrata and the tetraploid derived between A. prostrata and A. canariensis and the tetraploid hybrid between this derived tetraploid and A. maroccana are described in relation to genomic affinities between these species. The cytological evidence is at variance with morphological and geographical data which initially indicated that A. canariensis was the donor of the A genome of the A. maroccana-A. murphyi group of tetraploids. The possible relationship between the species is briefly discussed.

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Accession: 004953128

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