The features of in vitro androgenesis were studied in cultured anthers of spring bread wheats L503 and Dobrynya, having 7DS-7DL-7Ae#1L translocation with genes Lr19/Sr25 (Lr19 translocation) from Agropyron elongatum (Host.) P.B. and their near-isogenic lines carrying combinations of Lr19 translocation with translocations: 1BL-1R#1S with genes Pm8/Sr31/Lr26/Yr9 (Lr26 translocation) from Secale cereale L., 4BS-4BL-2R#1L with genes Lr25/Pm7 (Lr25 translocation) from Secale cereale, 3DS-3DL-3Ae#lL with genes Lr24/Sr24 (Lr24 translocation) from Agropyron elongatum and 6BS-6BL-6U#1L with gene Lr9 (Lr9 translocation) from Aegilops umbellulata Zhuk. In comparison with those varieties having received the Lr19 translocation, the following was established: (1) the combination of translocations Lr19 + 26 increased embryo frequency and green plant regeneration; (2) the combination of translocations Lr19 + 9 decreased embryo frequency but increased green plant regeneration; (3) the combination of translocations Lr19 + 24 decreased embryo frequency but increased green and albino plant regeneration; (4) the combination of translocations Lr19 + 25 increased embryo frequency and green plant regeneration but decreased albino plant regeneration. Thus, on near-isogenic lines of spring bread wheat, the influences of genotypes of four alien translocation combinations on in vitro androgenesis were determined.
Russian Journal of Genetics – Springer Journals
Published: Jul 24, 2014
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