An initiative from the French industry: This application was developed in partnership between the FN3PT (National Federation of Potato Plant Producers and its regional producer organizations), GNIS (National Interprofessional Grouping of Seeds and Plants), ARVALIS- Institut du Végétal (Technical Institute serving farmers and straw cereal, corn, sorghum, potato, fodder, flax and tobacco sectors) and INRA (National Institute for Agronomic Research), based on the Practical guide to potato diseases, pests and disorders developed with the contribution of field and laboratory experts from the potato and research sectors, and in particular from the INNOPLANT UMT.