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    • Keywords


      plant breeding; plant genetic resources; AFLP; fruit shelf life; principal component analysis.

    • Abstract


      An important trait defining fresh tomato marketability is fruit shelf life. Exotic germplasm of Solanum pimpinellifolium is able to prolong shelf life. Sixteen recombinant inbred lines with differing values of shelf life and fruit weight were derived by antagonistic-divergent selection from an interspecific cross involving Solanum pimpinellifolium. The objective of this study was to evaluate these recombinant inbred lines for many fruit quality traits such as diameter, height, size, acidity, colour, firmness, shelf life and weight, and to characterize them by amplified fragment length polymorphism markers. For most traits, a wide range of genetic variability was found and a wide range of molecular variation was also detected. Both sets of data allowed the identification of recombinant inbred lines by means of cluster analysis and principal component analysis. Genetic association among some amplified fragment length polymorphism markers and fruit quality traits, suggested by the principal component analysis, could be identified by single point analysis. Potential molecular markers underlying agronomical traits were detected in these recombinant inbred lines.

    • Author Affiliations


      Guillermo R. Pratta1 2 Gustavo R. Rodriguez2 Roxana Zorzoli2 3 Estela M. Valle1 Liliana A. Picardi2 3

      1. Facultad de Ciencias Bioquímicas y Farmacéuticas, Instituto de Biología Molecular y Celular de Rosario, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Rosario, Suipacha 531, S2002LRK, Rosario, Argentina
      2. Facultad de Ciencias Agrarias, Cátedra de Genética, Universidad Nacional de Rosario, S2125ZAA Zavalla, Argentina
      3. Consejo de Investigaciones de la Universidad Nacional de Rosario, S2000LRK Rosario, Argentina
    • Dates

  • Journal of Genetics | News

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      Posted on July 25, 2019

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