Abstract
A set ofT. aestivum-L. elongatum substitution lines were studied on yellow rust resistance at seedling stage, inheritance of the resistance and esterase-5 (Est-5) analysis. The results demonstrated thatL. elongatum carried a new yellow rust resistance gene(s), which was dominant and located on chromosome 3E ofL. elongatum. The biochemical locus encoding Est-5 was also located on chromosome 3E, and was tentatively named Est-E5, which was co-segregant with theYr gene(s) in wheat background. In addition, the transmission frequencies of chromosome 3E in 3A/3E and 3D/3E hybrids selfing were significantly higher than that of chromosome 3E in 3B/3E hybrid, which was probably due to the difference on genetic relationships among A, B, D and E genomes.
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Ma, J., Zhou, R., Dong, Y. et al. Chromosomal location of yellow rust resistance gene(s) inTriticum aestivum-Lophopyrum elongatum substitution lines. Chin.Sci.Bull. 44, 344–348 (1999). https://doi.org/10.1007/BF02885488
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DOI: https://doi.org/10.1007/BF02885488