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# عنوان البحث سنة البحث
841 Variability of sting acid gland in Egyptian and Carniolan honeybee worker 1991
842 Effect of certain cultural practices on the infestation level of potato plants by the eggplant stem borer and potato tuberworm 1990
843 Effect of certain cultural practices on the infestation level of potato plants by the eggplant stem borer and potato tuberworm 1990
844 Effect of certain cultural practices on the infestation level of potato plants by the eggplant stem borer and potato tuberworm 1990
845 Evaluation of certain pesticides activity against the cotton whitefly, Bemisia tabaci and associated natural enemies on cotton plants under field conditions in Assiut 1990
846 Gamma irradiation effects on the biological aspects and ATP-ase activity of Plodia interpunctella (Hubn.) (Phycitidae: Lepidoptera) 1990
847 Incidence and dominance of arthropods associated with Roselle, Caraway and Coriander plants in Upper Egypt 1990
848 Incidence and dominance of arthropods associated with Roselle, Caraway and Coriander plants in Upper Egypt 1990
849 Incidence and dominance of arthropods associated with Roselle, Caraway and Coriander plants in Upper Egypt 1990
850 Incidence of the greenbug, Schizaphis graminum (Rondani) (Homoptera: Aphididae) on wheat in Upper Egypt 1990