The Use of Hormones in Weedkillers

WEEDKILLERS: - Selective weed killers(kill specific plants). contains a growth hormone that causes the weeds to grow too quickly and die. most weeds have broader leaves than grass or wheat, the weed killer is absorbed in larger quantities - Selective weed killers kill plants that some species of animals rely on as a food source. This can result in a reduction of biodiversity - Eg, removing dandelions in a lawn without killing grass