Samah Abdelsalam Mokbel <br/><br/>
Studies on prunus necrotic ringspot virus affecting some species of the family rosaceae /  
 دراسات على فيروس التبقع الحلقى النيكروزى الذى يصيب بعض انواع الفصيلة الوردية 
Samah Abdelsalam Mokbel ; Supervised Aly Mohamed Mamoun Abdelsalam , Ibrahim Abdelmoneim Mohamed , Abdelwahab Amin Elamrity 
 - Cairo :   Samah Abdelsalam Mokbel ,   2008 
 - 115P. :   charts , facsimiles ;   25cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty Of Agriculture - Department Of Plant Pathology and Physiology 
<br/><br/> Prunus necrotic ring spot virus PNRSV was isolated for the first time in Egypt from naturally infected rose plants collected from the experimental farm of the Faculty of Agriculture Cairo University 
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<br/><br/><label>Subjects--Index Terms: </label>Ilarvirus Prunus necrotic ringspot Tissue culture