penetration aids sticking agents dispersing agents thickening agents freezing point depressants antimicrobial agents and the like the compositions may also contain other compatible components for example other herbicides plant growth regulants fungicides insecticides and the like and can be formulated with liquid fertilizers or solid particulate fertilizer carriers such as ammonium nitrate urea and the like the concentration of the active ingredients in the synergistic composition of the present invention is generally from 0 001 to 98 percent by weight concentrations from 0 01 to 90 percent by weight are often employed in compositions designed to be employed as concentrates the active ingredients are generally present in a concentration from 5 to 98 weight percent preferably 10 to 90 weight percent such compositions are typically diluted with an inert carrier such as water before application the diluted compositions usually applied to weeds or the locus of weeds generally contain 0 0001 to 1 weight percent active ingredient and preferably contain 0 001 to 0 05 weight percent the present compositions can be applied to weeds or their locus by the use of conventional ground or aerial dusters sprayers and granule applicators by addition to irrigation water and by other conventional means known to those skilled in the art seeds of the desired test plant species were planted in sun gro metromix 306 planting mixture which typically has a ph of 6 0 to 6 8 and an organic matter content of about 30 percent in plastic pots with a surface area of 103 2 square centimeters cm 2 when required to ensure good germination and healthy plants a fungicide treatment and or other chemical or physical.