TY - GEN AU - Dalia Ahmed Abdelsalam Barakat AU - Hamdy Elsaeed Elmetwally , AU - Mounir D.Abdallah , AU - Sayed A.Elmahy , TI - Phytochemicals and biological activity of plant extractives against the cotton leafworm spodoptera littoralis Boisd / PY - 2001/// CY - Cairo : PB - Dalia Ahmed Abdelsalam Barakat , KW - biological activity KW - littoralis Boisd KW - Phytochemicals N1 - Thesis (Ph.D.) - Cairo University - Faculty Of Agriculture - Department Of Economic Entomology and Pesticides ER -