Ata, Abed Abd Algaleel. <br/><br/>
Variability of Uromyces betae, the cause of sugar beet rust and its control  [computer file]/ 
 التباين في Uromyces betae المسبب لصدأ بنجر السكر و مكافحته. 
Abed Abd Algaleel Ata. 
 -  2009. 
 - Computer  laser  optical disk;   4 3/4 in. 
<br/><br/>Thesis (Ph. D.) -- Ain Shams University, 2009. 
<br/><br/>Includes bibliographical references (leaves 169-208) . 
<br/><br/><br/>Systems requirements: Adobe Reader. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sugar beet--Diseases and pests--Biological control.<br/>Rust diseases--Control.<br/>Uromyces