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Detection, characterisation, epidemiology, and
control of potato virus diseases
Potatoes are a crop susceptible to around forty viruses, including virus Y (Potato virus Y, genus Potyvirus, family Potyviridae), which is considered in all producer countries to be the most economically damaging virus.
Despite the reliability of the diagnostic tools used in certification and the control efforts made (over 1.5 million ELISA tests carried out on annual tuber production in France), PVY remains the most common virus in this crop.
Because of the efficiency with which this virus is transmitted by more than 70 aphid species and its very wide range of host plants, this strategy has its limits, as the frequency of PVY in potato crops remains high.
Aphid
Macrosiphum euphorbiae
Aphid
Macrosiphum euphorbiae
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Sensor system
Monitoring plant development in real time_CANOPY Project
Sensor system
Monitoring plant development in real time_CANOPY Project
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In this context, it is therefore necessary to maintain or even improve the health quality of the plant by
- continue our epidemiovigilance programmes across the country to anticipate any emergence of new variants,
- gain a better understanding of the PVY epidemic process in the field,
- assess the genetic resources available and
- propose alternative control methods in addition to controlling the sanitary quality of seeds
Because of the strong economic impact of PVY on potatoes, 95% of the research activities developed in this Virology programme are dedicated to this virus. However, other viruses are also taken into consideration as part of the development of diagnostic tools and ad hoc assessments.
The team
Laurent Glais
Programme manager
INRAE IGEPP
Le Rheu (35)
Maryse Urvoy
Assistant engineer
INRAE IGEPP
Le Rheu (35)
Frédéric Boulard
Research engineer
INRAE IGEPP
Le Rheu (35)
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