The Transfer of a Cytoplasmic Male-Sterility System to Spring Rye

Scoles, G.J.; Evans, L.E.

Canadian Journal of Plant Science 59(1): 163-169


ISSN/ISBN: 0008-4220
DOI: 10.4141/cjps79-023
Accession: 068493998

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Six inbred lines of spring rye (Secale cereale L.) and an open-pollinated cultivar of spring rye were crossed with a cytoplasmic male-sterile line of winter rye. The open-pollinated cultivar and all except one inbred line exhibited segregation for fertility restoration. Through further inbreeding, sub-lines of certain breeds were obtained which were homozygous for maintenance of sterility or for restoration of fertility. Environmental effects on the expression of fertility restoration were detected.