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HORDEUM GENICULATUM ALL × SECALE CEREALE L. HYBRIDS AND THEIR BACKCROSS GENERATIONS WITH RYE
L.A. Pershina, V.K. Shumny, L.I. Belova and O.M. Numerova
Cereal Research Communications
Vol. 13, No. 2/3 (1985), pp. 141-147
Published by: Akadémiai Kiadó
Stable URL: http://www.jstor.org/stable/23782993
Page Count: 7
You can always find the topics here!Topics: Rye, Hybridity, Barley, Plants, Tetraploidy, Chromosomes, Embryos, Diploidy, Seeds, Self pollination
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Intergeneric crosses of H.geniculatum All (2n=28) with S.cereale L.(2n=28) were made using embryo culture. The tetraploid hybrids obtained were incompletely fertile. After self-pollination or backcrossing with diploid rye, these hybrids set seeds. Cytological examination of a single plant from the self-pollinated seeds revealed 14 chromosomes (7 barley and 7 rye chromosomes). The triploid offspring from backcrosses of the tetraploid hybrids with diploid rye had 21 chromosomes (7 barley and 14 rye chromosomes). Fertile plants were identified among these BC1 21 chromosome plants.
Cereal Research Communications © 1985 Akadémiai Kiadó