Herbicide GALIGAN Oxyfluorfen 23.5% EC GALIGAN is a herbicide of the diphenyl-ether group used for selective weed control in a wide range of fruit trees, vegetables, field crops, ornamentals, forestry, sugarcane and non-crop areas. GALIGAN controls a wide spectrum of annual broadleaf and grass weeds. GALIGAN is used in pre-plant, pre-emergence and post-emergence applications. GALIGAN has prolonged residual activity and shows negligible leaching.Minimal rain or irrigation is necessary to activate the residual effect.