| Autor: |
Boscia D.*, Altamura G., Dongiovanni C., Giampetruzzi A., La Notte P., Loconsole G., Martelli G.P., Morelli M., Palmisano F., Potere O., Saldarelli P., Savino V., Susca L., Tavano D., Zicca S., Saponari M. |
| Rok vydání: |
2017 |
| Předmět: |
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| Zdroj: |
Proceedings of the European conference on Xylella fastidiosa: finding answers to a global problem, Palma de Mallorca, Spain 11 |
| DOI: |
10.5281/zenodo.1051208 |
| Popis: |
While different sources of natural resistance to X. fastidiosa have been described ingrapevines and citrus, lack of solid information exists on possible sources of resistance/tolerance inthe cultivars that characterize the wide olive germplasm. Preliminary field observations and laboratoryanalyses of a few cultivars, have shown that differential responses to X. fastidiosa infections exist. To confirm these preliminary findings, a large panel of olive cultivars is being specifically investigated.Currently, the screening procedure relies on field observations looking for symptomless subjects (treesof known cultivars/volunteer seedlings), mechanical inoculations, qualitative and quantitativediagnostic assays (ELISA & qPCR) and, in selected cases, comparative transcriptomic profiling. Fieldexperiments include the planting of the target cultivars/selections in an infected area under highinoculum pressure. All the plots are located in the Apulia Region (Italy) in the demarcated infectedarea, surrounded by X. fastidiosa heavily affected olive groves. A first experimental plot wasestablished in April 2015 with 10 different cultivars, which was extended in 2016 to 49 cultivars, andwill be further enlarged in 2017 with the addition of 40 new accessions. Other plots, comprising newlyplanted or grafted cultivars (over 260 cvs) have been also established, bringing to over 300 the totalnumber of accessions under evaluation. Cvs Leccino and FS-17®, both expressing interesting traits ofresistance, have already been identified. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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