University News

Herbicide Plot Tour

June 13, 2006

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MACOMB, IL – The Western Illinois University agriculture department is sponsoring a Herbicide Plot Tour beginning at 1 p.m. Thursday, June 29 at the WIU Agronomy Field Laboratory on Ember Road, located immediately north of the WIU Harry Mussatto Golf Course on Tower Road. The event is open free to the public.

According to Gordon Roskamp, WIU agriculture professor and field day coordinator, presenters include Terry Davis, farmer and president of the Regional SWCD, will discuss the sale of carbon credits from the farm; Tom McMurren of Deere & Company will focus on technology recently obtained by John Deere to provide remote sensing to growers; Roskamp will speak on his company’s sponsored research aimed at killing frost-damaged Roundup-Ready corn before no-till planting; Matt Montgomery, a crops educator for the University of Illinois-Extension in Sangamon and Menard counties, will discuss economic thresholds to prevent yield loss from silk clipping; Mike Roegge, a crops educator University of Illinois-Extension in Adams and Brown counties, will focus on the biology and control of Poison Hemlock; and Doug Maxwell, plot coordinator for the weed science group at University of Illinois, will present data indicating that corn is less tolerant of early competitions than soybeans, how residual herbicides have a greater role in corn weed control strategies and methods of ensuring glyphosate resistant weeds do not occur on your farm.

Roskamp will also present information about fall herbicide applications. Company sales and product development representatives will be on hand with the latest information on pest control strategies to maximize profits. Participants are also invited to test their skills in the unknown herbicide demonstration and weed garden.

Twenty-six weed control experiments have been established in no-till and mulch-till. Various herbicides were applied in the fall, early pre-plant, pre-emergence, and post-emergence. Essentially all of the current weed control programs, both one-pass and two-pass, are on display in fields with relatively heavy weed pressure, Roskamp added.

For more information contact Roskamp at 309/298-1569 or the WIU agriculture department at

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