Specific information on systemic diseases (viruses and phytoplasmas diseases) and deepening in symptomatology, etiology, epidemiology and crop protection. Monitoring in the field will provide a practical idea of field diagnosy, latency and recovery phenomenons. Futher, students will exercise in laboratory diagnostic techniques in order to detect the most dangerous pathogens (phytovirus and phytoplasmas) and their vectors. Meristem tip culture aimed to recover some species, like grapevine, to eradicate virus agents will be acquired. Development of a disease control plan depending on weather and fenology. Sanitary selection aimed to the certification
