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# عنوان البحث سنة البحث
731 Incidence of cucumber mosaic virus in relation to aphid vectors activity and infection sources 1994
732 Insecticide resistance of the greenbug aphid Schizaphis graminum (Rondani). I- Insecticidal potency, development of resistance and acetylcholineserase inhibiton in field populations 1994
733 Insecticide resitance of the greenbug aphid Schizaphis graminum (Rondani). II- Resistance mechanism in two resistance field populations 1994
734 Level of some heavy metals in honey samples collected from Upper Egypt 1994
735 New device to extract venom by electrical impulses from honeybee colonies 1994
736 Quantity and quality of propolis collected from different places of honeybee hives 1994
737 Selective toxicity of some insecticides as related to acetylcholinesterase inhibition and metabolic parameters in five species of aphids 1994
738 Selective toxicity of some insecticides as related to acetylcholinesterase inhibition and metabolic parameters in five species of aphids 1994
739 Selective toxicity of some insecticides as related to acetylchoolineterase inhibition and metabolic parameters in five species of aphids 1994
740 Some factors affecting bee venom extraction from honeybee colonies 1994