TY - GEN AU - Mary Ghali Gerges Youssif AU - Maurice Sabry Mikhail , AU - Nabil Sobhy Farag , TI - Pathological and microbiological studies on ralstonia solanacearum / PY - 2007/// CY - Cairo : PB - Mary Ghali Gerges Youssif , KW - Ralstonia solanacearum N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Agriculture - Department Of Plant Pathology and Physiology; Issued also as CD N2 - Fourteen bacterial isolates were obtained from potato tubers , potato stems , irrigation water , potato field soil and weeds associated with potato fields on a Semi Selective Medium of South Africa (SMSA) ER -