U Of I Researchers To Discuss Latest Crop Science Development At Agronomy Day URBANA, ILL.


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esearchers at the University of Illinois are measuring the behavior of western corn root- worms in different configurations of insect-


resistant transgenic corn plots and adjacent non-transgenic refuges. Joseph Spencer, insect behaviorist in the Illinois


Natural History Survey, said data on the details of rootworm behavior are currently not available for rootworms in transgenic corn. “Most of the research that we base our decisions


on regarding rootworm management was con- ducted before we began planting transgenic corn,” Spencer said. “We hope to learn some new things about how these insects behave because nobody has looked at them in this setting.” Since mid-June, Spencer, entomology graduate


student Sarah Hughson, and 11 interns and stu- dent workers have been collecting rootworm bee- tles to map their movement and mating in research plots. Tests that identify the distinctive Bt proteins present in different transgenic corn varieties can be used to identify the original loca- tion of the insects. “We can use the presence of tissue from plants


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that the beetles have been eating as a tool to tell where they came from—either transgenic or refuge plants,” Spencer said. After field work concludes in August, these data


will be used to determine whether a particular refuge configuration will ensure that susceptible beetles thoroughly penetrate the field and spread their genes. Spencer and Hughson are just two of many re-


searchers discussing the latest developments in crop science at the 2010 U of I Agronomy Day. The 54th annual event will be held on August 19 from 7 a.m. to 2 p.m. at the U of I South Farms in Champaign.


Researchers will discuss some of the most press-


ing issues in Illinois agriculture. Topics will in- clude herbicide-resistant waterhemp, global climate change and implications on future plant diseases, new soybean viruses, and more. Farmers, industry representatives, media and


anyone interested in agriculture are invited to at- tend this informational event. Tours will depart every half hour from 7 a.m. to noon at the Crop Science Research and Education Center on St. Mary's Road and Wright Street in Champaign.


For more information about Agronomy Day, visit http://agronomyday.cropsci.illinois.edu/.


Most Anticipated Annual Field Day In State Set For August 18


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Ag, RiceTec, Monsanto, Syn- genta Seeds, Bayer Crop- Science, Halo, Genuity and


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ache River Valley Seed, L.L.C in Cash, Ark. will host its 22nd Annual Rice


other sponsors will be on hand to answer questions about their products and services. Informa- tion will be shared on the latest seed innovations, new technolo- gies and expert advice on every- thing


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pesticides. The tour will conclude with


lunch provided by Strawberry’s Barbeque served on site at Cache River Valley Seed. Fea- tured speakers include Carl Frein with Farmers Marketing Service, Ford Baldwin with Practical Weed Consultants, L.L.C., Lance Schmidt with Horizon Ag and University of Arkansas Rice and Soybean


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