. Cranberries; : the national cranberry magazine. Cranberries. chemical is produced. In its time, DDT seemed to be such a ; Today, cranberry growers might well consider Roundup a "miracle chemical," Marucci said. Thanks, he added, must go to Dr. William Welker, weed scientist based at the Appalachian Fruit Research Center in KearneysviUe, W. Va., and the Ocean Spray staff for getting the pesticide approved for use on cranberry bogs. Marucci suspects the Roundup label may be deceivingly uncomphcated and recommends growers share use experiences in an effort to achieve opt
. Cranberries; : the national cranberry magazine. Cranberries. chemical is produced. In its time, DDT seemed to be such a ; Today, cranberry growers might well consider Roundup a "miracle chemical," Marucci said. Thanks, he added, must go to Dr. William Welker, weed scientist based at the Appalachian Fruit Research Center in KearneysviUe, W. Va., and the Ocean Spray staff for getting the pesticide approved for use on cranberry bogs. Marucci suspects the Roundup label may be deceivingly uncomphcated and recommends growers share use experiences in an effort to achieve optimum results. Several weed wipers have been developed for Roundup application, including the hockey stick device, Marucci noted. New Jersey growers have had poor results with the rope wiper, even when applying 30 percent Roundup in solution. Overall, it appears the percentage of Roundup in solution necessary to control weeds is directly related to the kind of weed wiper used. Wipers designed by Harry Moulter, recently retired assistant to PhU Marucci at the Rutgers Research Center, and Pai4 Burk, retired structural engineer, recjfuire only 5 percent Roundup in solution for effective weed control. Marucci observed: "In general, with most weeds, the later you wipe the ; In the case of grasses, sedges and rushes, "any time they're high enough, you can apply ; Of the weeds inhabiting bogs, only dewberry and wild bean appear to be immune to Roundup. With Leatherleaf, a hearty bog inhabitant, anything that kills it will kill cranberries, Marucci said. Marucci suggests growers be on the lookout for a future complication that may arise witli Roundup use. This could take the form of "monster weeds" that "survive herbicide applications and are stimulated by the lack of competition from weeds that are susceptible to the ; Exceptional vine and berry growth on Ben Lear test plots planted in 1979 and treated with fungicide
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