Introduction / Donald J. Ecobichon -- Nervous system / Robert M. Joy -- Chlorinated hydrocarbon insecticides / Robert M. Joy -- Organophosphorus ester insecticides / Donald J. Ecobichon -- Carbamic acid ester insecticides / Donald J. Ecobichon -- Pyrethrins and pyrethroid insecticides / Robert M. Joy -- Fungicides / Donald J. Ecobichon -- Herbicides / Donald J. Ecobichon