تجاوز إلى المحتوى الرئيسي
# عنوان البحث سنة البحث
881 Selective toxicity and development of insecticide resistance in Spodoptera littoralis (Boisd.) and Coccinella undecimpunctata L. in Upper Egypt 1989
882 Study of the effect of some calcium channel blockers and anticonvulsants on the toxicity of chlorpyrifos 1989
883 The activity of virus vector aphids on cucumbers 1989
884 The protein quality of bee bread stored in honeybee colonies during active season in Assiut area 1989
885 Thermal requirements of the various developmental stages of the spiny bollworm Earias insulana Boisd. (Lepidoptera: Noctuidae) 1989
886 Thermal requirements of the various developmental stages of the spiny bollworm Earias insulana Boisd. (Lepidoptera: Noctuidae) 1989
887 Thermal requirements of the various developmental stages of the spiny bollworm Earias insulana Boisd. (Lepidoptera: Noctuidae) 1989
888 Toxicity, repellency and residual effect of alcoholic and aqueous extracts of “propolis” against Callosobruchus maculatus, Fab 1989
889 Toxicity, repellency and residual effect of alcoholic and aqueous extracts of “propolis” against Callosobruchus maculatus, Fab 1989
890 Toxicity, repellency and residual effect of alcoholic and aqueous extracts of “propolis” against Callosobruchus maculatus, Fab 1989