Khalid,Mohamed Singab. <br/><br/>
Biochemical detection of resistance in the cotton leafworm spodoptera littoralis (Boisd.)  [microform]/ 
 الطرق الكيميائية الحيوية للكشف عن ظاهرة المقاومة لحشرة دودة ورق القطن. 
Mohamed Singab Khalid. 
 -  1997. 
 - 158,7Leaves:  ill.;  30 cm. 
<br/><br/>Thesis (Ph.D.)--Al-Azhar University,1997. 
<br/><br/>Includes bibliographical references (leaves 129-158) 
<br/><br/><br/>Microfiche. <br/>Cairo,Egypt: <br/>ASUNET, <br/>3 microfiches:negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spodoptera littoralis.<br/>Cotton leafworm--Control.