AbstractGenetic analysis of three semi‐dwarf genotypes of rye (Secale cerealeL.)—‘Moskowskij Karlik’, ‘Gülzow kurz’ and ‘R 18’, which were shown to be insensitive to applied gibberellic acid (GA3), has been carried out by using a seedling test. It could be demonstrated that all of the three genotypes are carrying recessive alleles for GA‐insensitivity. Whereas the alleles of ‘Moskowskij Karlik’ and ‘R 18’ seem to have the same locus on chromosome 5R, the GA‐insensitivity of ‘Gülzow kurz’ is governed by a different gene, most probably located on chromosome 7R. The relationship between the genes (alleles) for GA‐insensitivity and semi‐dwarfness, including the symbolization of theGai‐genes as well as their u
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