TY - BOOK AU - Ibrahim Osamy Ibrahim Hassan AU - Abdelkader Gamal Eldin , AU - Abdelshafy Ibrahim Ragab , AU - Mohamed Hassanin Soliman , TI - Biotechnological studies on the irradiated potato (Solanum Tuberosum) with gamma rays / PY - 2011/// CY - Cairo : PB - Ibrahim Osamy Ibrahim Hassan , KW - Gamma rays KW - Mutation KW - Potato N1 - Thesis (M.Sc.) - Cairo University - Faculty of Agriculture - Department of Genetics; Issued also as CD N2 - Bacterial wilt or brown rot disease caused by Ralstonia solanacearum causes extensive annual losses of different crops especially potato crop. It is considered as one of the limiting factors for potato production and exportation in Egypt. Therefore, the main purposes of this study were to investigate the effect of gamma rays on two potato cultivars (Diamant and Spunta). And, to obtain new genotypes of potato resistant to bacterial wilt disease ER -