Assad, Sawsan Massoud Saied. <br/><br/>
Epidemiology of some Aphid-transmitted potato virus diseases in relation to disease forecasting  [computer file]/ 
 دراسات عن وبائية بعض أمراض البطاطس الفيروسية المنقولة بالمن وعلاقتها بالتنبؤ بالمرض. 
Sawsan Massoud Saied Assad. 
 -  2002. 
 - Computer laser optical disks;  4 3/4 in. 
<br/><br/>Thesis (M.S.)  --Ain Shams University,2002. 
<br/><br/>Includes bibliographical references (leaves 135-164). 
<br/><br/><br/>Systems requirments:Adobe Reader. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Potatoes--Diseases and pests.<br/>Potato leafroll disease.<br/>Aphids as carriers of disease.