Contributions

  • PESTOLIVE proposes to use the last developments in genetic analyses for addressing the olive phylogeography and past population dynamics at different geographic scales. This approach may allow significant advances to our understanding of the post-glacial oleaster recolonisation and subsequent domestication and coevolutionar patterns between pathogens and the olive tree. Besides, a detailed knowledge of the diversity of wild olive populations as well as of their distribution represents an alternative approach of great potential value for breeding of this species.
  • Measuring life history traits in soil-borne pest communities at the inter-specific level are very scarce and PESTOLIVE proposes a new point of view of understanding the community structure using life history traits. It will give a significant improvement for the comprehension of species assemblage and thus their pathogenicity.
  • Results will improve the scientific knowledge of development and pathogenicity of PPN and PPF in wild and cultivated olives, as well as the durability of resistant genotypes which may be used as rootstocks against soil-borne pathogens of olive. Studies on durability of resistance in wild and cultivated olives will provide basic and applied knowledge to the management of PPN and PPF. The use of antagonists or their derived products will amend organic fertilizers in order to enhance soil health and quality.
  • The effect of co-infection by the two pathogens on resistance to any of them remains to be explored. Thus the proposed research is innovative and will allow to understand and to clarify the host-parasite relationships among PPN, PPF, natural ennemies and wild and cultivated olives.
  • Results will be of great interest by providing new insights on the consequences of passive migration of soil-borne pathogens and of anthropization (and will maybe extent to others global changes like climate warming) on the diversity of pest communities. Native natural enemies would be of great interest for further industrial development of biocontrol agents.
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