Behaviour of apricot (Prunus armeniaca L.) cultivars in the presence of sharka (plum pox potyvirus): a review

Issue		Agron. Sustain. Dev. Volume 20, Number 4, May-June 2000


Page(s)		407 - 422
DOI		10.1051/agro:2000137

DOI: 10.1051/agro:2000137

Agronomie 20 (2000) 407-422

Behaviour of apricot (Prunus armeniaca L.) cultivars in the presence of sharka (plum pox potyvirus): a review

P. Martínez-Gómez^a - F. Dicenta^a - J.M. Audergon^b

^aDepartamento de Mejora y Patología Vegetal, CEBAS-CSIC, Apartado 4195, E-30080 Murcia, Spain
^bUnité de Génétique et Amélioration des Fruits et Légumes, INRA, Site Agroparc, Domaine Saint Paul, F-84914 Avignon, Cedex 9, France

(Received 21 October 1999; accepted 7 March 2000)

Abstract:

Information concerning the evaluation of apricot resistance to sharka (plum pox potyvirus) has in many cases been published in journals of limited circulation. In an attempt to assess the actual status of this resistance, a global review has been made, including 222 cultivars, 175 of which can be considered as susceptible, 27 as resistant and 20 as cultivars of uncertain classification. Such a doubtful classification could be due to differences in evaluation methods, the isolates used, or to the authenticity of the plant material. The results seem to indicate that the main origin of resistance to sharka could be North American cultivars, although other resistant sources have been found in Central Europe.

Keywords: Prunus armeniaca L. / apricot / plum pox potyvirus / sharka / resistance

Résumé:

Comportement des cultivars d'abricotier (Prunus armenica L.) à la sharka (plum pox potyvirus) : une revue. Les informations concernant l'évaluation du comportement de l'abricotier à la sharka sont fréquemment publiées dans des journaux à faible audience. La présente revue se propose de synthétiser ces informations dispersées : 222 cultivars sont pris en compte, 175 d'entre eux pouvant être considérés comme sensibles, 27 comme résistants et 20 pour lesquels la classification est incertaine. Cette classification douteuse peut être due à des différences dans les méthodes d'évaluation, aux isolats utilisés ou à l'authenticité du matériel végétal. Les résultats semblent indiquer que la principale source de résistance à la sharka aurait pour origine les cultivars nord-américains bien que d'autres sources de résistance ont été trouvées en Europe centrale.

Mots clé : Prunus armenica L. / abricotier / plum pox potyvirus / sharka / résistance

Correspondence and reprints: F. Dicenta
e-mail: fdicenta@natura.cebas.csic.es

Communicated by Hervé Thiellement (Geneva, Switzerland)

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