Abstract
The S incompatibility system of apple was confirmed through the application of the gene Got-1 for glutamate oxaloacetate transaminase as a marker for the S locus. The 11S alleles proposed by Kobel et al. (1939) were confirmed through anomalous segregations for Got-1 observed in 14 semi-compatible crosses and regular segregations observed in 2 fully compatible crosses. The S allele genotypes of ‘Idared’ (S 3 S 7), ‘Cox’ (S 5 S 9) and ‘Fiesta’ (S 3 S 5) were determined and found to fall within the original series. By associating parental incompatibility genotypes with the segregation of Got-1 alleles, we were able to deduce the coupling of S and Got-1 alleles in 9 varieties.
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Communicated by H. F. Linskens
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Batlle, I., Alston, F.H. & Evans, K.M. The use of the isoenzymic marker gene Got-1 in the recognition of incompatibility S alleles in apple. Theoret. Appl. Genetics 90, 303–306 (1995). https://doi.org/10.1007/BF00222218
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DOI: https://doi.org/10.1007/BF00222218