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RAPD variation within and among populations of globe artichoke cultivar ‘Spinoso sardo’

Lanteri, Sergio and Di Leo, Ivo and Ledda, Luigi and Mameli, Massimiliano Giuseppe and Portis, Ezio (2001) RAPD variation within and among populations of globe artichoke cultivar ‘Spinoso sardo’. Plant Breeding, Vol. 120 (3), p. 243-246. ISSN 0179-9541. Article.

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DOI: 10.1046/j.1439-0523.2001.00605.x

Abstract

Globe artichoke is a vegetable native to the Mediterranean basin. Its commercial production is mainly based on perennial cultivation of vegetatively propagated clones, which are highly heterozygous and segregate widely when progeny-tested. The aim of this study was to measure genetic variation using random amplified polymorphic DNA (RAPD) in five populations of ‘Spinoso sardo’, the most widely grown and economically important cultivar in Sardinia (Italy). Analysis of molecular variance (amova) gave highly significant differences between populations (28.1% of the total genetic diversity); substantial within-population variation was detected (71.8% of total genetic diversity). The RAPD results show the need to apply clonal selection to narrow the broad genetic variability within the cultivar and to address important questions on the most suitable strategies for germplasm preservation.

Item Type:Article
ID Code:4648
Status:Published
Refereed:Yes
Uncontrolled Keywords:Cynara scolymus, ‘Spinoso sardo’, genetic variability, RAPD, germplasm preservation
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/02 Agronomia e coltivazioni erbacee
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze agronomiche e genetica vegetale agraria
Publisher:Blackwell
ISSN:0179-9541
Copyright Holders:© 2001 Blackwell Wissenschafts-Verlag, Berlin
Deposited On:12 Oct 2010 11:09

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