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CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 20

Characterisation and comparison of French and Brazilian potato virus Y (PVY) isolates collected from PVY-susceptible or -resistant tobacco plants carrying the recessive resistance gene va

LACROIX C.(1,2*a) ; GLAIS L.(3); KERLAN C.(1); CHARLIER C.(4); JANZAC B.(1,2); LORENCETTI C.(5); MORNET F.(6); CAILLETEAU B.(2); VERRIER J-L.(2); JACQUOT E.(1*b)

(1) INRA-Agrocampus Ouest-Université Rennes1, UMR1349 IGEPP (Institute of Genetic, Environment and Plant Protection), Le Rheu, France; (2) Imperial Tobacco Group, SEITA, Institut du Tabac, Bergerac, France; (3) FNPPPT (Fédération Nationale des Producteurs de Plants de Pomme de Terre), Paris, France; (4) Universidade de Santa Cruz do Sul, Santa Cruz do Sul, RS, Brazil; (5) Alliance One Brasil Exportadora de Tabacos Ltda, Vera cruz, RS, Brazil; (6) ANITTA, Bergerac, France

Improved tobacco cultivars possessing alleles of the “va” recessive resistance gene have been deployed worldwide to mitigate consequences of potato virus Y (PVY) infections. Unfortunately, necrotic PVY symptoms were reported, suggesting that PVY is...