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b. les plants de pommes de terre doivent être exempts de globodera rostochiensis (woll) et globodera pallida (stone), synchytrium endobioticum (schilb.) perc., clavibacter michiganensis spp. sepedonicus (spieck. et kotth.) skapt. et burkh., et ralstonia solanacearum (e.f. smith) e.f. smith.
b. the seed potatoes shall be free from globodera rostochiensis (woll) and globodera pallida (stone), synchytrium endobioticum (schilb.) perc., clavibacter michiganensis spp. sepedonicus (spieck. and kotth.) skapt. and burkh., and ralstonia solanacearum (e.f. smith) e.f. smith.