Amira Megahed Esmael Aly <br/><br/>
Partial characterization of tobacco ringspot virus and the production of virus - free potato materials /  
 التعريف الجزئى لفيروس التبقع الحلقى فى الدخان وإنتاج بطاطس خالية من الفيروس 
Amira Megahed Esmael Aly ; Supervised Aly M.AbdElsalam , Gamal A.Ghanem , AbdElmohsen A.AbouZeid 
 - Cairo :   Amira Megahed Esmael Aly ,   2001 
 - 87Leaves :   photographs ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty Of Agriculture - Department Of Plant Pathology and Physiology 
<br/><br/><label>Subjects--Index Terms: </label>Partial characterization Tobacco ringspot virus Virus - free potato materials