TY - BOOK AU - Gehan Mohamed Sayed Ahmed AU - Ahmed Mohammed Azazy , AU - Mohamed Abdelalim Ali , AU - Waleed Dia Eddeen Saleh , TI - Studies on some symbiotic bacteria of some entomopathogenic nematodes / PY - 2013/// CY - Cairo : PB - Gehan Mohamed Sayed Ahmed , KW - Oral toxicity KW - Photorgabdus spp KW - Xenorhabdus spp N1 - Thesis (M.Sc.) - Cairo University - Faculty of Agriculture - Department of Microbiology; Issued also as CD N2 - In this work, Xenorhabdus spp and Photorhabdus spp. were isolated from a local nematode strain Steinernema sp., Heterorahbitids sp, a foreign Heterorahbitids sp, a foreign well-identified strain, i.e., Steinernema riborvae and Heterorahbitids indica kindly supplied by Florida Statw University, USA. The identity of the isolated bacteria was authenticated referring to their cultural, morphological and biochemical traits as well as to their entomopathogenicity against Galleria mellonella, Agrotis ipsilon, Spodoptera littoralis and Rhynchophorus ferrugineus UR - http://172.23.153.220/th.pdf ER -