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Pathways of introduction of fruit pests and pathogens

What are the mechanisms of spread in the case of bacterial pathogens?
The area of origin, the spread through natural vectors (rain droplets, pollinators) and through human activities are elucidated using molecular fingerprinting and traditional methods. In addition, labelled bacteria coupled with confocal laser-scanning microscopy are used in model experiments to get more information. The possibility of pathogen dispersal between and within the orchards through wind and rain using Pseudomonas syringae pv. actinidiae as an example is assessed. The actual and potential spread and distribution of bacterial species (Pseudomonas spp., Xanthomonas spp.) in Europe will be investigated using models as described for D. suzukii.




Gritta Schrader
Julius Kühn Institut, Bundesforschungsinstitut für Kulturpflanzen (Germany)
(Julius Kuehn Institute, Federal Research Centre for Cultivated Plants)
Institut für nationale und internationale Angelegenheiten der Pflanzengesundheit (Germany)
(Institute for National and International Plant Health)