ISHS Acta Horticulturae 192: VIII International Symposium on Apricot Culture and Decline
CLONAL AND VIRUS-FREE SELECTION OF BULIDA APRICOTS FROM THE MURCIA REGION (SPAIN). |
| Authors: | A. Martínez-Cutillas, R. Martínez-Valero, G. Llácer, M. Cambra, J.M. Arregui, J. Juárez, L. Navarro |
| Abstract:
The variety Búlida alone accounsts for 81% of the Murcia production and more than 50% of Spain's. For a selection of this variety, about 20.000 Búlida trees on Pollizo plum stock were initially chosen. Over 3 years the trees were inspected and those showing some abnormality were discarded. By the end of the third year, 9 trees showing the best performance were chosen. These 9 trees were infected by CLSV (chlorotic leaf spot virus). To eliminate these viruses the method of shoot-tip grafting in vitro was assayed. In addition, we obtained 7 clones, out of 9, free of CLSV by conventional budding on apricot seedlings in summer, taking advantage of the irregular distribution of CLSV within infected apricot trees of most clones. | |
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