Both ddt and dimethoate were compatible with the pathogen Bacillus thuringjensis var.thuringiensis.The combination of dimethoate with the pathogen.DDT with the pathogen and pathogen alone were on pare in controlling the larva of diamond-back moth.Plutella xylostella L.The pathogen could not control the green peach aphid.Myzus persicae Sulzer.However the combination of dimethoate with the pathogen and DDT with the pathogen could control both xylostella and M.persicae more effectively than either of them alone.
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