The project focuses on Meloidogyne chitwoodi and M. fallax, quarantine nematodes responsible for quantitative and qualitative damage, including galling on roots and tubers of major crops such as potato, carrot, salsify. The nematodes have a limited distribution in Europe (Belgium, France, Germany, The Netherlands, Portugal and Turkey) with different frequency of occurrence varying from “detected but eradicated” to “present in several fields”. Consequently, conducting a reliable and sensitive survey is an efficient way to provide knowledge about the distribution of these pests at the European level and at the same time to prevent their dispersion. This project aims at a comprehensive initiative for a better detection of M. chitwoodi and M. fallax by sharing knowledge, developing a network, identifying needs for research and comparing methods for a validated and harmonized approach for M. chitwoodi and M. fallax surveys. This project is composed of 5 complementary topics: - Topic 1: Ring test on the extraction of Meloidogyne juveniles from soil - Topic 2: Ring test on detection and identification of M. chitwoodi and M. fallax by conventional and real time PCR assays - Topic 3: Workshop on detection and management of the quarantine nematodes M. chitwoodi and M. fallax - Topic 4: Treatment of waste contaminated by nematodes - Topic 5: A European Meloidogyne research agenda