Valutazione dell' influenza di alcuni virus sulla propagazione dell' olivo
Roschetti, A.; Ferretti, L.; Muzzalupo, I.; Pellegrini, F.; Albanese, G.; Faggioli, F.
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The possible effects of Olive leaf yellowing associated virus (OLYaV) and Strawberry latent ringspot virus (SLRSV) on the propagation of olive plants (Olea europea) are here reported. In particular, results are here compared between the behaviour of SLRSV-infected ‘Frantoio/Raggiola’ or OLYaV-infected ‘Carolea’ and their respective healthy controls in rooting and grafting trials. Experimental studies have shown that both viruses do not influence the rate of rooting of young olive shoots and that OLYaV does not interfere in the grafting success; significant differences in grafting success have been observed only during a temperature’s stress, probably due to the reduced water need of infected plants. The absence of negative effects of the two viruses in the olive propagation can contribute to their diffusion through the propagative material. For this reason importance of sanitary controls on olive mother plants are remarked.