TY - BOOK AU - Hassan,Eman Youssef Mohamed TI - Genetical studies on potato plants in vitro selection to Alternaria solani culture filtrates in potato callus PY - 1992/// KW - Alternaria solani KW - Potatoes KW - Genetics N1 - Thesis (M.S.)--Alexandria University, 1992; Includes bibliographical references (leaves [84]-96); Microfiche; ASUNET; Ain Shams University; 2 microfiches : negative ER -