INVESTIGADORES
TORRES Myriam Mariela
artículos
Título:
Genetic and chemical assessment in Arbequina olive cultivar grown in Córdoba province (Argentina)
Autor/es:
MARIELA TORRES; PIERLUIGI PIERANTOZZI; MARIA EUGENIA CACERES; PAOLA LABOMBARDA; GIUSEPPE FONTANAZZA; DAMIÁN M MAESTRI
Revista:
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
Editorial:
Wiley
Referencias:
Lugar: London; Año: 2009 vol. 89 p. 523 - 530
ISSN:
0022-5142
Resumen:
BACKGROUND: Thirty-eight accessions of olive (Olea europaea L.) originating from Córdoba (Argentina) and preliminarily identified as belonging to Arbequina variety, were genotyped using AFLP DNA markers. Also, the oil chemical composition was studied during three consecutive crop years. The objectives of the work were: a) to investigate genetic intra-cultivar diversity, and b) to evaluate the oil chemical composition and to compare it with Arbequina oil produced in Spain. RESULTS: The 19 primer combinations employed to perform the AFLP analysis produced 98 polymorphic bands. A reduced genetic heterogeneity was obtained confirming that: a) selected accessions belong to Arbequina variety, b) the traditional vegetative propagation practice has caused low genetic erosion in this variety cultivated in Córdoba. The main features that characterize the Argentinean Arbequina oils are the low amounts of oleic acid and the presence of comparatively greater contents of phenolics and high molecular weight volatile compounds, with respect to those found in Spanish Arbequina oils. CONCLUSION: In spite of the small proportion of intra-cultivar variability, Arbequina variety grown in Argentina produces oils with different chemical traits from those obtained in the original Spanish growing region. Differences may be mainly attributed to particular environmental conditions of the olive growing areas at these countries.