Genetic Resources and Crop Evolution

, Volume 54, Issue 8, pp 1797–1806 | Cite as

Resistance traits and AFLP characterization of diploid primitive tuber-bearing potatoes

  • Riccardo Aversano
  • Maria Raffaella Ercolano
  • Luigi Frusciante
  • Luigi Monti
  • James M. Bradeen
  • Gennaro Cristinzio
  • Astolfo Zoina
  • Nicola Greco
  • Salvatore Vitale
  • Domenico Carputo
Research Article


Worldwide, a variety of pathogens negatively affect potato production, resulting in an estimated 22% annual yield reduction. Wild Solanum species represent a unique gene pool where all the traits necessary to improve the cultivated potato can be found. Therefore, breeding efforts for improved disease resistance and research aimed at characterizing wild germplasm have been extensively made. In this paper, sources of resistance to Phytophthora infestans, Erwinia carotovora subsp. carotovora, Fusarium solani and Globodera spp. have been investigated in several clones of two Solanum species originating from Central Mexico (S. bulbocastanum and S. cardiophyllum). Interestingly, we found sources of combined resistance to late blight and bacterial soft rot. This is an important finding considering that the development of resistant potato varieties has been hindered by the scarcity of resistant germplasm. In addition, we explored molecular differences within and between the two species generating AFLP fingerprints. By means of six primer pair combinations, we found 13 and 16 putative species-specific AFLP markers for S. bulbocastanum and S. cardiophyllum, respectively, and a bounty of markers useful for mapping, MAS, and cloning purposes. The phenotypic and molecular information associated to S. bulbocastanum and S. cardiophyllum for designing strategies of assisted selection are discussed.


Germplasm Molecular markers Solanum bulbocastanum S. cardiophyllum 



Contribution no. 127 from Department of Soil, Plant and Environmental Science. This research was carried out within the project “Caratterizzazione ed utilizzazione di specie selvatiche diploidi di patata originarie del Sud America” founded by Italian Ministry of Agriculture (MiPAF).


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Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  • Riccardo Aversano
    • 1
  • Maria Raffaella Ercolano
    • 1
  • Luigi Frusciante
    • 1
  • Luigi Monti
    • 1
  • James M. Bradeen
    • 2
  • Gennaro Cristinzio
    • 3
  • Astolfo Zoina
    • 3
  • Nicola Greco
    • 4
  • Salvatore Vitale
    • 5
  • Domenico Carputo
    • 1
  1. 1.Department of Soil, Plant and Environmental SciencesUniversity of Naples “Federico II”PorticiItaly
  2. 2.Department of Plant PathologyUniversity of MinnesotaSt. PaulUSA
  3. 3.Istituto di Patologia Vegetale, University of Naples “Federico II”PorticiItaly
  4. 4.Istituto per la Protezione delle Piante, Sezione di Bari, C.N.R.BariItaly
  5. 5.C.R.A. – Istituto Sperimentale per la Patologia VegetaleRomaItaly

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