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Influence du contexte génétique sur l’évaluation de la résistance intermédiaire en DHS : exemple de l’évaluation de la résistance de la tomate à Fusarium oxysporum fsp lycopersici race 2 et Verticillium dahliae.

2023/12/08 by Perrot, Sophie, Bertrand, François, Bonnet, Gilles +7
#Bioagresseurs #Matériel de référence #Résistance variétale

paper · doi:10.17180/ztr8-8a85

Abstract

Resistance of tomato varieties to two fungi Fusarium oxysporum fsp. lycopersici (Fol) and Verticillium dahliae (Vd), is a DUS criteria for registration of varieties at official catalog. GEVES-SNES carries out these evaluations for CTPS. Recently, differences between breeders declaration and CTPS test results occurred for some tomato hybrids. Inter laboratory were carried out to define isolates and protocols allowing to obtain robust results. Reference material and decision rules were defined, allowing a better harmonization of varietal evaluation for these two fungi.

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