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Genetic\ Agronomic And Quality Comparisons Of Two 1al.1rs. Wheat-Rye Chromosomal Translocations, Robert A. Graybosch, J.-H. Lee, C. J. Peterson, D. R. Porter, O. K. Chung

Department of Agronomy and Horticulture: Faculty Publications

The 1AL.1RS wheat-rye chromosomal translocation originally found in ‘Amigo’ wheat possesses resistance genes for stem rust, powdery mildew and greenbug biotypes B and C, but also has a negative effect on wheat processing quality. Recently, a second 1AL.1RS translocation carrying Gb6 a gene conferring resistance to greenbug biotypes B, C, E, G and I, was identified in the wheat germplasm line ‘GRS1290’. Protein analytical methods, and the DNA polymerase chain reaction were used to identify markers capable of differentiating the 1RS chromosome arms derived from ‘Amigo’ and ‘GRS1201’. The secalin proteins encoded by genes on 1RS chromosome arms differed in …