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# عنوان البحث سنة البحث
521 Contamination of soils and some vegetable crops with heavy metals induced by applying some pesticides. 2003
522 Differential Susceptibility of Pink and Spiny Bollworms to the Ova-larvicidal Activity of Spinosad , a Natural Metabolite of the Actinomycete Saccharopolyspora spinosa with Special Reference to Solve the Field Failure of Thiodiocarb in the Current Resist 2003
523 Evaluating levels of certain heavy metals in some fertilizers and pesticides. 2003
524 Laboratory and Field Evaluation of certain Bioinsecticides on Cotton leafworm and Bollworms (M.Sc Thesis) 2003
525 Negative cross resistance of the natural product spinosad; an interesting observation in the filed population of Spodoptera littoralis on cotton in Egypt. 2003
526 Spinosad, a new naturally derived potato tuber worm contol agent in comparisons to certain conventional insecticides. 2003
527 Successful Current Control Measurements to Combat date palm Key Insect Pests in the Absence of Traditional Insecticides in The New Valley Egypt 2003
528 Susceptibility of certain cotton cultivars to Thrips tabaci lindeman and Tetranychus urticae koch infestation during seedling stage 2003
529 The relationship between bee venom production by electrical impulses and certain characters of honey bee (Apis mellifera L.) colonies 2003
530 Toxicity of some insecticides on filed populations of three aphid species in relation to carboxylesterase activity 2003