Abstract
Globe artichoke is native to the Mediterranean basin with Italy being the leading world producer. Italian autochthonous germplasm is at risk of genetic erosion due to the large cultivation of only a few varietal types, such as the micropropagated clone C3, and to the introduction of new seed-propagated genetic materials. The aim of our study is to assess the genetic variability existing in nine Italian globe artichoke landraces of spring type, using morphological descriptors and DNA markers (Amplified Fragment Lenght Polymorphism and Inter-Simple Sequence Repeats). A significant genetic differentiation among genotypes was found for many traits. Although some genetic variability found within each genotype was probably due to their multiclonal origin, most of them were genetically well-defined. Morphological and molecular profiles give important information to complete the genotype characterization and proceed with the selection of clones to be propagated and to develop lines and/or varieties. The present paper underlines the differences existing in the analyzed germplasm both within and among landraces and the genetic relations among different material, which is an important starting point for future plant breeding programs.
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Acknowledgments
The authors acknowledge the ‘CYNARES’ and ‘CAR-VARVI’ projects, financially supported by the AGRI GEN RES Community Programme (European Commission, Directorate-General for Agriculture and Rural Development, under Council Regulation (EC) No 870/2004) and by Italian Ministry of Agriculture, Food and Forestry, respectively. The authors are grateful to Dr. N. Ficcadenti, Profs V. Magnifico and A. Graifenberg for the offshoots of the landraces provided in the work and to ARSIAL (Cerveteri, Rome–Italy) for providing field facilities. Authors also acknowledge the linguistic help of Drs. A. Noorani and R. Hupperts in the final revision of the manuscript.
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Ciancolini, A., Rey, N.A., Pagnotta, M.A. et al. Characterization of Italian spring globe artichoke germplasm: morphological and molecular profiles. Euphytica 186, 433–443 (2012). https://doi.org/10.1007/s10681-012-0634-z
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DOI: https://doi.org/10.1007/s10681-012-0634-z