Golf Course Management

MAY 2014

Golf Course Management magazine is dedicated to advancing the golf course superintendent profession and helping GCSAA members achieve career success.

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52 GOLF COURSE MANAGEMENT 05.14 The size of a settlement depended on the size of the tree. For example, a 1-foot-tall tree was $30; a tree 96 to 100 feet high equaled $19,000. DuPont asked those who were mak - ing claims to document damage by taking dig- ital photos prior to removal. DuPont compensated golf courses for re - moval and disposal of impacted evergreen trees unlikely to recover. DuPont also offered credits or refunds, depending on a distributor's policy, on unused Imprelis. Imprelis had a short shelf life. It was intro - duced in August 2010. Twelve months later, it was gone. Late in 2012, Syngenta announced that it had acquired the DuPont Professional Products insecticides business, which included the brands Acelepryn, Advion and Provaunt. The closing price for the acquisition was $125 million. That same year was DuPont's last one as a Silver Partner through GCSAA's Partner Rec - ognition Program. As a Silver Partner from 2008 to 2012, DuPont spent a minimum of $100,000 in support of GCSAA member ser - vices and programs. DuPont also was a member in the Cham - pions Club of GCSAA's philanthropic organi- zation, the Environmental Institute for Golf (EIFG). DuPont was recognized as a member of the Champions Club for the cumulative total of its contributions to the EIFG ($250,000 to $499,999) since 1987. Part of DuPont's con - tribution included donation of products to the EIFG's Silent Auction. Moving forward In some cases, spaces where trees have been removed because of Imprelis are no longer va - cant, another symbol of the healing process for an issue that rocked the industry. "They are replanting on some sites where trees have been removed without any problem," says Kathy Zuzek, assistant extension professor for the University of Minnesota. Imprelis, if anything, serves as a cautionary tale for manufacturers and superintendents. Jared Hoyle, Ph.D., an assistant professor in horticulture, forestry and recreational services at Kansas State University, imagines the Im - prelis saga could beneft the industry down the road. "I think in the future, product testing will be strengthened," Hoyle says. "Probably because of it, I don't foresee it ever happening again." At The Country Club of Muirfeld Village in Dublin, Ohio, GCSAA Class A superin - tendent Dave Gribler encountered issues with some of his trees because of Imprelis. He antici - pates, and welcomes, the day when he can fully focus on what happens below his feet. "I spend too much time looking up instead of looking down at the ground," Gribler says. Howard Richman ( is GCM 's asso- ciate editor. Below: One of the signs of Impre- lis damage in white pine is stress or death of the tips of branches. Right: Tumor-like growths on a honey locust indicate damage in this species. "I think in the future, product testing will be strengthened. Probably because of it, I don't foresee it ever happening again." — Jared Hoyle, Ph.D. 046-053_May14_Imprelis.indd 52 4/17/14 9:27 AM

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