Marwa Abdelateef Zyton <br/><br/>
Pathological studies on powdery mildew disease of okra in Egypt /  
 دراسات مرضية على مرض البياض الدقيقى فى البامية فى مصر 
Marwa Abdelateef Zyton ; Supervised Effat Abdelmageed Zaher , Khairy Abdelmaksoud Abada 
 - Cairo :   Marwa Abdelateef Zyton ,   2008 
 - 81P. :   facsimiles ;   25cm 
<br/><br/>Thesis(M.Sc.) - Cairo University - Faculty of Agriculture - Department of Plant Pathology 
<br/><br/> Symptoms appear on the upper surface as subtle , small , round , whitish or yellow spots and sometimes on the stems.It is identified as Erysiphe cichoracearum DC.The conidiospores of E. cichoracearum cannot germinate at 5 and 40 c 
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<br/><br/><label>Subjects--Index Terms: </label>Disease mangement Okra Powdery mildew