A trigeneric hybrid between Hordeum, Aegilops, and Secale

Abstract

A trigeneric hybrid between Hordeum, Aegilops, and Secale was synthesized. The female parent was a fertile amphiploid between H. chilense and A. squarrosa and the male parent was S. cereale. The hybrid plant had the expected chromosome number of 2n = 21. Cytological analysis of pollen mother cells revealed no chromosome pairing. Morphology of the HchDR hybrid plant was similar to that of the Aegilops. The hybrid was sterile and no seed set was observed even after colchicine treeatment.Key words: Hordeum, Aegilops, Secale, trigeneric hybrid, cytology.