Journal
RUSSIAN JOURNAL OF GENETICS
Volume 36, Issue 12, Pages 1423-1430Publisher
KLUWER ACADEMIC/PLENUM PUBL
DOI: 10.1023/A:1009075408921
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In F-2 hybrids between self-sterile plants of the Volkhova cultivar and self-fertile lines with established self-fertility mutations (sf mutations) at the major incompatibility loci S (1R), Z (2R), and T (5R), the effect of sf mutations on the inheritance of secalin-encoding, isozyme, and morphological markers located on the same chromosomes was investigated. Linkage between loci Prx7 and S and locus Sec3 coding for high-molecular-weight secalins on chromosome 1R was shown for the first time. The frequency of recombination between Prx7 and Sec3 and between S and Sec3 was 29.1 +/- 4.8% and 30.9 +/- 7.0%, respectively. Independent inheritance of locus Z and isozyme markers of chromosome 2R, Est3/5 and beta -Glu, from locus Sec2 encoding 75-kDa gamma -secalins was shown; in hybrids, the recombination frequency between Est3/5 and locus Z varied from 19.2 +/- 8.1 to 50%. Independent inheritance of morphological (Ddw and Hs) and isozyme markers (Est4, Est6/9, and Aco2) of chromosome 5R from locus T located on the same chromosome was demonstrated.
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