possibilities to improve apple scab (venturia inaequalis…：提高苹果黑星病的可能性（黑星病….pdf

748 AJCS 5(6):748-755 (2011) ISSN:1835-2707 Possibilities to improve apple scab ( Venturia inaequalis (Cke.) Wint.) and powdery mildew [ Podosphaera leucotricha (Ell. et Everh.) Salm.] resistance on apple by inc reasing ic diversity using potentials of wild species Adriana F. Sestras 1, Doru Pamfil 2, Catalina Dan 2, Sorana D. Bolboaca 3, Lorentz J?ntschi 4, Radu E. Sestras *2 1Fruit Research Station, 3 Horticultorilor Str., 400 457 Cluj-Napoca, Romania; asestras@ 2University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 3-5 Manastur Str., 400372 Clu j- Napoca, Romania; catalina_dan@, ******@us 3Iuliu Hatieganu University of Medicine and Pharmacy Cluj-Napoca, 13 Emil Isac, 400023 Cluj-Napoca, Romania; ******@ 4Technical University of Cluj-Napoca, 103-105 Muncii Bvd, 400641 Cluj-Napoca, Romania; ******@ *Corresponding author: ******@ Abstract Creating new apple cultivars largely depends on the availability of sufficient ic diversity, whil e apple breeding has eroded in time the ic base of domestic cultivars. The po ssibility to induce and exploit useful variability for selecting hybrids resistant to apple scab and powdery mildew attack was evaluated in interspecific descendants derived from five wild apple