TY - BOOK AU - Ahmed,Magdy Abd El-Azeim TI - Studies on certain insect pests infesting sorghum with reference to their natural enemies in Upper Egypt PY - 1996/// KW - Sorghum KW - Diseases and pests KW - Aphididae as carriers of diseases KW - Insect pest KW - Biological control N1 - Thesis (M.S.)--Assiut University,1996; Includes bibliographical references (leaves 160-170); Microfiche; Cairo, Egypt; ASUNET; 3 microfiches:negative ER -