Concerted actions for improving the quality of the olive nursery production [Olea europaea L. - Italy]
2001
Rugini, E. | Biasi, R. | Mugano, M. | Aversa, G. | Zamboni, E. (Universita della Tuscia, Viterbo (Italy). Dipartimento di Produzione Vegetale) | Maggini, F. (Universita della Tuscia, Viterbo (Italy). Dipartimento di Agrobiologia ed Agrochimica) | Martelli, G.P. (Bari Univ. (Italy). Dipartimento di Protezione delle Piante dalle Malattie) | Pannelli, G. (Istituto Sperimentale per la Olivicoltura, Cosenza (Italy)) | Zuccherelli, G. (Vitroplant Vivai, Cesena, Forli (Italy)) | Barba, M. (Istituto Sperimentale per la Patologia Vegetale, Rome (Italy))
The agronomic value of the cultivated olive trees may be influenced by the health status of the propagation material, which should be hopefully certified for the absence of the most common pathogens. Olive may be propagated through old and new propagation techniques, and efforts have been made to improve the efficiency of both systems. As far as grafted plants are concerned, the clonal rootstock selection has proposed some interesting genotypes for increasing frost resistance and for reducing the tree size, i.e. the Leccino Dwarf. Cutting preparation has been improved by coupling the use of auxins and cytokinins with poliamines. In vitro propagation of the olive cultivars has successfully been used and now is a commercial reality in the nursery production, albeit for a reduced number of genotypes. The improvement of this technique, i.e. micropropagation by axillary bud stimulation, shoot organogenesis or somatic embryogenesis, represents a crucial step for producing high quality, healthy and rapid growing plants. New molecular methodologies are adopted for virus analysis (dsRNA) and for cultivar identification (AFLP, RLFP microsatellite loci identification)
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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