Chromosome rearrangements in the hexaploid oats

Gideon Ladizinsky

Research output: Contribution to journalComment/debate

18 Scopus citations

Abstract

Different lines of hexaploid oats (A. sterilis-A. sativa group) were found to differ from each other by chromosome rearrangements. Five hybrid combinations between A. sterilis lines and one sterilisbyzantina combination were examined. All hybrids showed formation of 1-2 quadrivalents indicating translocation differences between lines. These chromosomal differences did not affect the fertility of the hybrids, nor reproductively isolate the various forms. It is proposed that chromosomal variation is an integral part of the genetic system of polyploid oats and one of the means enabling rapid evolution in the group of weeds and cultivated cereals.

Original languageEnglish
Pages (from-to)457-461
Number of pages5
JournalHeredity
Volume25
Issue number3
DOIs
StatePublished - Aug 1970

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