. Cranberries; : the national cranberry magazine. Cranberries. Wareham, Mass., Scientist Says Devrinol Effectively Controls Cutgrass, Nutsedge Experimental Devrinol may be the long-sought selective herbicide to control nutsedge and cutgrass, according to scientists at the East Wareham, Mass., experimental station. According to the Old Colony Memorial, a weekly newspaper in Plymouth, Mass., Dr. Robert M. DevUn and his colleagues at the station have been conducting experiments with the herbicide over the past few years. The new chemical has been shown not to affect cranberry plant growth and not
. Cranberries; : the national cranberry magazine. Cranberries. Wareham, Mass., Scientist Says Devrinol Effectively Controls Cutgrass, Nutsedge Experimental Devrinol may be the long-sought selective herbicide to control nutsedge and cutgrass, according to scientists at the East Wareham, Mass., experimental station. According to the Old Colony Memorial, a weekly newspaper in Plymouth, Mass., Dr. Robert M. DevUn and his colleagues at the station have been conducting experiments with the herbicide over the past few years. The new chemical has been shown not to affect cranberry plant growth and not to affect berry color and ability to gel. In the test area of Southeastern Massachusetts, nutsedge and cutgrass are said to infest about 80 percent of the bogs and can reduce yield in the area by as much as 20 percent. Rampant growth of nutsedge and cutgrass can thin out vines to the point where bog production is insufficient for commercial use. At the point where berries begin to increase in size and color, cutgrass and nutsedge grow tall and abundant enough to successfully compete with vines for light, water and food. The result is usually smaller, poor-quality colored berries. DichlorbenU and Mocran, the traditional herbicide used to combat the weeds, are of questionable value. Both are known to suppress the weed growth but only for a period of about three months or so into the growing season, or some time in late July. Dichlorbenil is also known to inhibit growth and root development of cranberries. In the tests, Devrinol was shown to control nutsedge and cutgrass for the entire growing season and seems to have no effect on growth of the vines or berries. Dr. Devlin says that Devrinol is also thought to be environmentally safe. He says that besides its exclusivity of control on cutgrass and nutsedge, it seems to be almost nontoxic to animals. Devrinol is manufactured by Stauffer Chemical Company, which recently applied to the Environmental Protection Agency for registratio
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