Physiological and epidemiological studies on pyricularia oryzae cavara inciting rice blast disease / 
by Mohamed Roshdy Sohly. 
 - Monoufoia :  Monoufoia University,  1982. 
 - 136 pages ;  28 cm. 
<br/><br/>Thesis (Ph. D.) - University of Monoufoia, 1982. 
<br/><br/>p. 121-137. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rice blast disease.