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NEMATOOLS : Développement d’outils pour la maîtrise durable du risque nématodes en plant de pomme de terre et cultures en rotation

Abstract : Nematools project aimed at reinforcing prophylactic methods to prevent introduction and dissemination of regulated phytoparasites nematodes Meloidogyne chitwoodi, M. fallax, Globodera pallida and G. rostochiensis which are serious threats for potato crops and to improve the control strategies in order to preserve the privileged health status of the French territory. This project made it possible to develop new molecular tools for the detection of root-knot nematodes in soil samples, and later their validation on a collection of nematode populations established during the project. The risk analysis on the dissemination of nematodes related to agricultural practices have led firstly to the development of a conceptual model for the identification of management strategies for the use of agricultural equipment at risk and on the other hand to highlight and to quantify the importance of cyst nematodes dispersal by the soil practices and by soil-adhering to agricultural machinery at the field and at the farm scale. The actions carried out in partnership with industrials and with experimental stations made it possible to produce a user-friendly risk analysis tool characterizing the critical phases of different waste and effluent treatment processes and providing answers on the sanitizing performances of different decontamination processes such as composting, lagooning, anaerobic digestion, chlorination, and heat treatment. This project also allowed to screen, under controlled conditions, plant species which are not conducive to the development and propagation of root-knot nematodes such as M. chitwoodi and M. fallax and may be proposed as rupture plants on contaminated sites
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Submitted on : Thursday, April 22, 2021 - 5:47:23 PM
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2020 _Le roux_Innovations Agro...
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Anne-Claire Le Roux, M-S Neveux, E. Huchet, Pauline Dewaegeneire, L. Berton, et al.. NEMATOOLS : Développement d’outils pour la maîtrise durable du risque nématodes en plant de pomme de terre et cultures en rotation. Innovations Agronomiques, INRAE, 2020, 79, pp.391-411. ⟨10.15454/t739-bg56⟩. ⟨hal-03205989⟩



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