000 01883cam a2200349 a 4500
003 EG-GiCUC
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008 111207s2011 ua d f m 000 0 eng d
040 _aEG-GiCUC
_beng
_cEG-GiCUC
041 0 _aeng
049 _aDeposite
097 _aPh.D
099 _aCai01.07.16.Ph.D.2011.Al.S
100 0 _aAli Hussein Hamed Mohamed
245 1 0 _aStudies on some viruses infecting onion (Allium cepa L.) plants in Egypt /
_cAli Hussein Hamed Mohamed ; Supervised Omhasheim Mohammed Elbanna , Gamal Amin Mohammed Ghanem , Hassan Ibrahim Ali Ahmed Elnaggar
246 1 5 _aدراسات على بعض الفيروسات التى تصيب نباتات البصل فى مصر
260 _aCairo :
_bAli Hussein Hamed Mohamed ,
_c2011
300 _a146 P. :
_bcharts ;
_c25cm
502 _aThesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Plant Pathology and Physiology
520 _aTwo viruses used in this study, Onion yellow dwarf virus (OYDV) and Tobacco rattle virus (TRV), were isolated from naturally infected onion (Allium cepa L.) plant growing in the field of onion plants during the survey carried out in 2007-2008 and 2008-2009 in seven Egyptian Governorates. The results indicated that the mean percentages of OYDV-infection were 24.48 and 19.98% and TRV-infection were 1.04 and 0.42% respectively in first and second seasons all over the seven governorates
530 _aIssued also as CD
653 4 _aOnion yellow dwarf virus
653 4 _aSerological detection
653 4 _aTobacco rattle virus
700 0 _aGamal Amin Mohammed Ghanem ,
_eSupervisor
700 0 _aHassan Ibrahim Ali Ahmed Elnaggar ,
_eSupervisor
700 0 _aOmhasheim Mohammed Elbanna ,
_eSupervisor
856 _uhttp://172.23.153.220/th.pdf
905 _aNazla
_eRevisor
905 _aSamia
_eCataloger
942 _2ddc
_cTH
999 _c36507
_d36507