Show new chemical aids farm production many weed control problems answered REPORTS of excellent results in in killing weeds in grass plots lawns and pastures without damaging the grasses promises important new uses of a compound called 24 2 4 c acid ja 24 2 4 D for short water sprays containing this compound in specified solutions killed heavy stands of dandelion and nar row leaf plantain without injury to the grass experiments with lawn pennywort in areas of turf that were heavily infested with the weed resulted d in in destruction by 2 4 D acid of heavy stands of turf pest without accod ipa nying injury to the established grass new grass seedlings gs coming from seed planted several weeks after the chemical treatment were not affected repeated applications were found necessary to kill out f spray to kill weeds noxious plants that came up later from weed seeds that were not caught by the first spray other weeds readily killed by the compound according to a government report included chickweed pigweed wood sorrel knotweed and broadleaf dock well established blue grass was not injured by the potent new herb herbicide the creeping bent grasses were found much less resistant to it but resistant enough to permit the killing of susceptible weeds without being destroyed themselves the te 2 4 D acids effect on susceptible weeds and clover is much different from that of other chemical herbicides herbic ides instead of producing a local burning effect and destroying only a part of the plant it spreads and kills the entire plant roots and au all |