TY - GEN AU - Raina Zakaria Elmenshawy AU - Hassan Mohamed Sobhy Hassan , AU - Ibrahim AbdElmoniem Mohamed , TI - Biological and molecular studies on potato virus Y strains in Egypt and Tunisia / PY - 2007/// CY - Cairo : PB - Raina Zakaria Elmenshawy , KW - Egypt and Tunisia KW - Molecular studies KW - Potato virus Y KW - Strains N1 - Thesis (Ph.D.) - Cairo University - Institute Of African Research and Studies - Department Of Natural Resources; Issued also as CD N2 - Potato virus Y (PVY) is considered one of the most damaging potato viruses and causing serious losses in Egypt and world wide.Field surveys were conducted during three growing seasons to study prevalence and distribution of PVY strains at behairah , Menoufia and Sharkia Govermorates UR - http://172.23.153.220/th.pdf ER -