TY - SER AU - Homam,B.H. AU - Shedeed,M.I. AU - Mohamed,M.A. TI - Evidence for presence many biotypes of bemisia tabaci(GENN.) within Egypt KW - Bemisia KW - Cotton KW - Disease and pest KW - Egypt KW - Aleyrodidae KW - Control KW - Virus diseases of plants KW - Insect pests N1 - Includes references N2 - In an attempt to screen the primers to used in high taxonomic level of populations differences of Bemisia tabaci (Gennadius). Populations of B.tabaciwere collected from five areas (Fayoum, Beheira, Gharbia, Ismailia and Beni-Suef) , within Egypt. The pooled DNA was studied using RAPD-PCR. OPA-2 primer gave unique profile for each sample in term of the migration of the RAPD bands and discriminated the populations of Gharbia, Beheira and Ismailia into three strains UR - http://nile.enal.sci.eg/EALE/2005/EJAR/8305/1/141.pdf ER -