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Synthetic Insecticides Part II Organophosphorus
Repellents Attractants and other Behaviourcontrol
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acaricide acid action active compound agriculture animals aphids application aqueous atoms attack behaviour biochemical biological carbamates carbon chemical industry chlorine concentration condensation copper crop damage deposit dieldrin dilution diseases dithiocarbamates dosage dose dust eelworm effective emulsifiable emulsion esters ethylene ethylmercury example favour formulation fumigation fungi fungicides fungus granules herbicides hormone host hydrogen cyanide hydrolysis important increased insecticide insects isomers kill known laboratory leaf less lethal liquid mainly mammals manufacture method methyl bromide mixture molecule necessary nematodes organic organophosphorus oxidation parasites particles particularly pest control pesticide phenol phloem phosphorus phytotoxic plant poison population potato blight predators problems pyrethrins pyrethrum rapidly reaction repellent residue resistance root salts seed seedlings selective sodium soil solution solvent species spores spray stable sterilization storage structure substances sulphur surface synthetic systemic tion tissue toxic treatment usually vapour volatile weeds wettable powder widely y-BHC