1.

OCCURRENCE OF Exserohilum turcicum F.SP.SORGHI THE CAUSAL ORGANISM OF SORGHUM LEAF BLIGHT IN UPPER EGYPT

Pages 337-346
A. A. A. El-Naggar
2.

POPULATION DENSITY OF SOME INSECT PESTS INFESTING GLOBE ARTICHOKE PLANTATIONS IN RELATION TO CERTAIN ECOLOGICAL FACTORS AT DAKAHALIA GOVERNORATE

Pages 347-353
M. A. Taha; Horia A. Abd-el Wahab; Hanaa I Mahmoud; Ghada EL S. Abd el hamed
3.

EFFECT OF DIFFERENT TEMPERAURES, THERMAL, THRESHLOD UNITS ON DEVELOPMENTOF SILVERY MOTH, Autographa gamma Linn.

Pages 355-361
M. A. Taha; Horia A. Abd-El Wahab; Hanaa I. Mahmoud; Ghada El S. Abd el hamed
4.

POWDERY MILDEW INFECTION ON SOME EGYPTIAN BREAD WHEAT CULTIVARS IN RELATION TO ENVIRONMENTAL CONDITIONS.

Pages 363-372
M. M. El-Shamy; M. E. A. Sallam; H. M. F. Awad
5.

STUDY OF RISK EXPOSURE ASSESSMENT FOR EGYPTIAN INFANTS EXPOSED TO DIOXIN INTAKE IN COMMERCIAL BABY MILK

Pages 373-387
Y. M. Nabil
6.

TOXICITY OF THIAMETHOXAM/CHLORANTRANILIPROLE, NOVALURON, CHLORPYRIFOS-METHYL AND METHOMYL AGAINST TWO DIFFERENT LARVAL INSTARS OF THE COTTON LEAFWORM Spodoptera littoralis (Boisd.) ON TOMATO PLANTS

Pages 389-395
A. A. Barrania; M. H. M. El-Khawalka; M. A. El-Bessomy