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Studies on enzymatic polymorphism in rye (Secale cereale L.) cultivars

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Abstract

An electrophoretic study of seed peroxidases of eight rye (Secale cereale L.) cultivars was carried out in order to estimate the polymorphism and the variability degree of this highly variable enzymatic system. Analysis of the Cathodal Peroxidase System (CPX) were performed using polyacrylamide gel electrophoresis. Thirteen loci were recorded in embryo plus scutellum and endosperm. The percentage of polymorphic loci ranged from 53.84% to 92.30% when the 99% polymorphism criterion was used; these high values were possibly due to the studied system. The average heterozygosity values ranged from 0.179 to 0.378; these values fell into the expected for open-pollinated species. Genetic distance values fitted well with those expected for conspocific plants with a little of diversification.

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Author notes

  1. L. Ramirez

    Present address: Dopartamento de Genética, Facultad de Clencias Biológicas, Universidad León, 24071, León, Spain

  2. G. Pisoharro

    Present address: Instituto Biología Molecular, Centro de Biología Molacular, Universidad Autónoma, 28049, Madrid, Spain

Authors and Affiliations

  1. Departamento de Genética, Facultad de Ciencias Biológicas, Universidad Complutense, 28071, Madrid, Spain

    L. Ramirez & G. Pisoharro

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  1. L. Ramirez
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  2. G. Pisoharro
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Ramirez, L., Pisoharro, G. Studies on enzymatic polymorphism in rye (Secale cereale L.) cultivars. Genetica 69, 209–212 (1986). https://doi.org/10.1007/BF00133523

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  • DOI: https://doi.org/10.1007/BF00133523

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