Sunday

18:00   21:30 Welcome Party 

 Drinks / Raclette Dinner

Monday

08:00   08:30   Registration

08:30   09:05   Opening addresses      (Chair: Olivier Schumpp)

00:05  Practical Information

00:05  Alain Gaume: Welcome speech       

00:10   Roberto Miglino: Introductive talk     

00:15   Christian Bucher: From Field to Fork: Overviewof the Swiss Potato Sector 

09:05   10:20   Epidemiology under climate pressure: emerging patterns and vector dynamics       (Chair: Brice Dupuis)

00:45   Keynote 1 - Piotr Trębicki  : Adapting to a changing climate: challenges and strategies for controlling plant viruses and their vectors       

00:20   Martin Verbeek: Epidemiology of PVY infections, environmental influences on the interactions between plant, vector and virus       

00:10   Mohamad Chikh-Ali: Novel approach to study the dynamics of potato virus Y infection pressure –Case study: Colorado, USA

10:20   10:50   Coffee break ---------------------------------

10:50   12:45   Stolbur and arsenophonus in potato: epidemiology, impact and diagnostic challenges        (Chair: Mout De Vrieze)

00:45   Keynote 2 - Michael Kube: Stolbur, phytoplasma evolution and host interaction from a genomic perspective

00:20   Nuria Fontdevila Pareta: Comparative genomics unveils the lifestyle transition of phytopathogenic Arsenophonus strains

00:20   Benjamin Klauk: Management options to control symptoms caused by candidatus arensophonus phytopathogenicus and stolbur group pathogens   

00:15   Natasha Witczak: The diversity of ‚Ca. Phytoplasma solani‘ in the german agricultural landscape  

00:15   Henri Stopin: Phytoplasma an ancient organism as a modern potato threats. Stolbur risk assessment preliminary data 

12:45   14:00   Lunch

14:00   15:45   Stolbur and arsenophonus in potato: epidemiology, impact and diagnostic challenges (Continued, Chair: Arnaud Blouin)

00:20   Andreas C. Keiser: Vascular bundle browning in processing potatoes in Switzerland      

00:15   Christophe Debonneville: Arsenophonus and Stolbur in Potato Crop in Switzerland: A Threat for the Processing Industry?

00:20   Elmar Schulte-Geldermann: Screening of potato varieties against Candidatus Arsenophonus phytopathogenicus and Stolbur Phytoplasma group pathogens    

00:10   Jasmin Wiedmer: Exploring resistance to Candidatus Phytoplasma solani and Candidatus Liberibacter solanacearum in potato

00:20   Simon Schiwek: Current results and insights from interlaboratory comparison studies on the detection of PHYPSO and ARSEPH in potato and sugar beet           

00:20   Salma Benaouda: qPCR-based quantification of Candidatus Arsenophonus phytopathogenicus and Candidatus Phytoplasma solani in potato 
            (Solanum tuberosum L.) and their effect on yield parameters in southwest Germany  

16:15   17:15   Roundtable

Phloem-limited bacterial diseases in potato: impacts, management strategies, and research priorities

Moderator Andreas C. Keiser

Tuesday

09:00   10:20   Molecular basis of plant–virus recognition and response        (Chair: Roberto Miglino)

00:20   Laurent Glais: Identification and characterization of potential resistance genes in potato to control potato virus Y infection: interest of the N hypersensitive genes     

00:20   Nie Xianzhou: Saikai 35, a potato cultivar believed to carry Rychc, exhibits the classical characteristics of N-gene-mediated temperature-dependent responses 
            upon potato virus Y infection    

00:20   Mout De Vrieze: Study of Variety-Specific Responses to the Necrotic Strain of PVYNTN           

00:20   Patrice De Werra: Long-Term Assessment of Variety-Specific Yield Losses in Potatoes Caused by PVY    

10:40   12:00   Plant–aphid interactions and innovative control measures in potato crop protection        (Chair: Martin Verbeek)

00:45   Keynote 3 - Patricia Sanches: Endosymbionts modulate virus effects on aphid-plant interactions      

00:15   Arnaud Blouin: Gut content analysis of Myzus persicae reveals insights into viral reservoirs of sugar beet viruses

00:20   Brice Dupuis: Controlling Potato Virus Y Spread Through Sunflower Intercropping in Seed Potato Fields 

12:00   13:30   Lunch

13:30   14:15   Flash talks        (Chair: Olivier Schumpp)

14:15   15:25   Long-term surveillance of plant viruses: insights from national monitoring programs        (Chair: Laurent Glais)

00:20   Cécile Thomas: Increasing rejected areas in swiss seed potatoes production from 2016 to 2024 are influenced by viral infections and climate change   

00:15   Piret Van der Sman: Long-term monitoring of potato virus Y in Estonian seed potatoes and an evaluation of susceptibility of potato varieties

00:15   Adrian Fox: Investigating the epidemiology of ‘Candidatus Liberibacter solanaceraum’ in great britain         

00:10   Eva Kovacec: Historical perspective of challenges in potato breeding and seed potato production related to virus testing in Slovenia   

00:10   Steyer Stephan: Current status of Potato virus Y (PVY) in the Belgian seed potato sector         

Preparation for those who wish to participate in the walk at Basse Ruche (not part of the official program)

Wednesday - Tour       

 9:15 – Coffee in the hall of the AO building , Agroscope Nyon

 9:30 – Start of visits

• •  Tour 1: Laboratory visits (30 min)

• •  Tour 2: Field demonstration visit (30 min)

 10:45 – Departure for Delley

 12:00 – Lunch in Delley, offered by Swisssem

 13:30 – Visit of post-harvest field with Swisssem representatives  
 
 15:30 – Departure for Murten

 16:00 – Visit of the old town of Murten

 17:30 – Transfer to the boat

 18:00 – Boarding and cruise departure

 21:15 – Arrival in Grandson, end of cruise

 22:15 – Arrival in Nyon, B&B Hotel

Thursday

09:00   10:50   Diagnostic tools for viral and phloemien bacterial diseases in potato crops        (Chair: Christophe Debonneville)

00:45   Keynote 4 - Adrian Fox: The detection and diagnosis of potato viruses – are we making progress?  

00:20   Mohamad Chikh-Ali: Development of a Duplex IC-RT-qPCR for large-scale detection of Potato Mop-Top Virus in dormant potato tubers  

00:10   Stephan Steyer : Simple and efficient PCR-based detection of phytoplasmas: validation and application in potato production systems    

00:15   Olivier Schumpp: One Reaction to Rule Them All: A Multiplex RT-qPCR for Strain-Level Discrimination of PVY

00:20   Martin Verbeek: Development of a Luminex xTAG assay for the determination of aphid species and simultaneously detection of plant viruses    

10:50   11:10  Coffee break ---------------------------------

11:10   12:00   Roundtable

Potato viral diseases: impact, control, and future challenges for research and diagnostics
Moderator: (Adrian Fox)

12:00   12:30   End of the meeting        (Chair: Roberto Miglino)

12:00   13:30   Lunch