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Crop Protection T Echnology Conference Crop Protection T echnology Conference UNIVERSITY OF ILLINOIS extension Contents i Lessons from a “ Quiet” 2006 Season—What Lies Ahead? Climate Patterns: Past, Present, and Future Jim Angel 5 Lessons from a “ Ouiet” 2006 Season—-What Lies Ahead? Crop Production Emerson D , Nafziger 7 Lessons from a “ Quiet” 2006 Season—What Lies Ahead? Weed Management Aaron G. Hager 10 Lessons from a “ Quiet” 2006 Season—What Lies Ahead? Rust Is Here; Now What? Suzanne Bissonnette 13 Lessons from a “ Quiet” 2006 Season—-What Lies Ahead? Nematode Management Terry L. Niblack 16 Lessons from a “ Quiet” 2006 Season—What Lies Ahead? Insect Management Kevin L, Stejfey and Michael E. Gray 21 Soybean Rust: The First Three Years Glen Hartman 26 Integration—-The Key to Managing Fusarium Head Blight (FHB = Scab) in Wheat Marcia McMullen 29 Fungicides on Hybrid Corn: Yield Impact of Foliar Disease Control Gary P. Munkvold 34 Application Strategies to Improve Crop Health Robert E . W olf 2007 Illinois Crop Protection Technology Conference ♦ lil 39 Tillage System Effects on Root Growth and Fertilizer Placement Considerations R.M . Cruse 41 Why Is My Field Showing Potassium Deficiency? Fabian G. Fernandez 45 The Perfect Corn Stand Emerson D. Nafziger 48 Fitting Wheat into Illinois Cropping Systems Emerson D. Nafziger 51 Wheat Disease Management Gregory Shaner 53 Development of Fusarium Head Blight-Resistant Wheat Varieties Frederic L. Kolb 57 Managing Insects in Wheat: An Overview Douglas W. Johnson 61 Glyphosate-Resistant Palmer Amaranth Impacts Southeastern Agriculture A. Stanley Culpepper and Alan C. York 64 Glyphosate-Resistant Waterhemp: Our Experiences in Missouri Kevin Bradley 68 Predicting the Evolution and Spread of Glyphosate-Resistant Waterhemp Patrick J. Tranel 70 Preparing for the Inevitable—A Prescription for Resistance Dawn Nordby 72 Soybean Aphid Management: What Works and What Doesn’t M att O'Neal, Kevin Johnson, and Nicholas Schmidt 78 Western Bean Cutworm and the Invasion of Illinois Corn: It’s Like Deja vu All Over Again Marlin E . Rice 84 Transgenic Corn Root worm Hybrids: Assessing Performance in a Variant Western Corn Rootworm Arena Michael E. Gray, Kevin L. Stejfey, Ronald E, Estes, and Jared B. Schroeder 93 Seed-Applied Insecticides, Soil Insecticides, and Bt Corn: Their Roles in Corn Production Kevin L. Stejfey, Michael E. Gray, Jared B. Schroeder, and Ronald E. Estes 99 Who’s Your Neighbor? Jack Erisman IV ♦ 2007 Illinois Crop Protection Technology Conference ioo Managing the Risks of Custom Application: An Industry Perspective Jean Payne 103 Surviving on the Fence Between Emerald City and Oz Donald Meyer 107 A Regulatory Perspective on the Rural Agricultural Production/Urban Interface Gerald Kirbach 109 Identifying and Protecting Organic Farms from Contamination with Prohibited Substances Cissj Bowman 114 Is Extension Delivering Relevant and Effective Integrated Pest Management Corn and Soybean Programs? Wendy Wintersteen 2007 Illinois Crop Protection Technology Conference ♦ V Planning Committee Co-Chairs: Aaron Hager Department of Crop Sciences Mike Gray University of Illinois at Urbana-Champaign Department of Crop Sciences University of Illinois at Urbana-Champaign Mike Hellmer Pioneer Hi-Bred International, Inc. Sandy Osterbur Department of Crop Sciences Gerald Kirbach University of Illinois at Urbana-Champaign Illinois Department of Agriculture Kevin StefFey Emerson Nafziger Department of Crop Sciences Department of Crop Sciences University of Illinois at Urbana-Champaign University of Illinois at Urbana-Champaign Dawn Nordby Committee Members: Department of Crop Sciences University of Illinois at Urbana-Champaign Steve Ayers Champaign Extension Unit Bruce Paulsrud University of Illinois Extension Department of Crop Sciences University of Illinois at Urbana-Champaign Suzanne Bissonnette Champaign Extension Center Jean Payne University of Illinois Extension Illinois Fertilizer and Chemical Association Kevin Black Rick Reed Growmark, Inc. Illinois Agricultural Aviation Association Scott Bretthauer John Reifsteck Department of Agricultural & Biological Engineering Champaign County Producer University of Illinois at Urbana-Champaign Kevin Runkle Fabian Fernandez Illinois Fertilizer and Chemical Association Department of Crop Sciences Dennis Thompson University of Illinois at Urbana-Champaign Illinois Crop Improvement Association Todd Gleason Information Technology 8C Communication Services University of Illinois at Urbana-Champaign vi 2007 Illinois Crop Protection Technology Conference Illinois Crop Protection Wednesday Afternoon, January 3 Technology Conference Symposia A, B, and C run con ■ . from Program 1:00..2 :4 5 p m ■ ■ Symposium A ♦ Healthy Plantst Is Your Disease Threshold Wednesday Morning, January 3 Damaged? ♦ Illini Rooms A and B ♦ Opening Session ♦ Illini Rooms A, B, and C ♦ Suzanne Bissonnette and Bruce Paulsrud, Moderators Todd Gleason, Moderator (1.5 CCA credits in Integrated Pest Management) (1.5 CCA credits in Integrated Pest Management and 1.0 CCA The symposium will address current issues regarding disease credit in Crop Management) management of field crops. Disease thresholds have been 9:00 am Welcome and Opening Remarks ♦ Mike successful management techniques. What are the thresholds for Gray and Kevin Stejfey important field crop diseases? What does independent science tell us regarding the thresholds and prediction models for these 9:15 am Lessons from a “Quiet" 2006 Season—W hat diseases? Lies Ahead? 1:00 pm Identification and Management of Soybean Introduction * Todd Gleason Diseases + Glen Hartman 9:20 am Climate Patterns: Past, Present, and Future ♦ 1:25 pm Integration—The Key to Managing James Angel Fusarium Head Blight (Scab) in 9:35 am Crop Production + Emerson Nafziger Wheat ♦ Paula McMullen 9:50 am Weed Management + Aaron Hager 1:50 pm Fungicides on Hybrid Corn: Yield Impact of Foliar Disease Control + Gary Munkvold 10:05 am Questions and Answers 2:15 pm Application Strategies to Improve Crop 10:25-10:40 am Break ♦ South Lounge Health ♦ Robert E. Wolf 2:40 pm Questions and Answers 10:40 a m Rust Is Here, Now W hat? ♦ Suzanne Bissonnette Symposium B ♦ Seed and Soil: Some Basics of Crop Agro­ nomics ♦ Ballroom ♦ Mike Hellmer, Moderator 10:55 am Nematode Management + Terry Niblack (0.5 CCA credit in Soil and Water Management, 0.5 CCA credit in Nutrient Management, and 0.5 CCA credit in Crop Manage­ 11:10 am Insect Management ♦ Kevin Stejfey ment) 11:25 am Questions and Answers Even though 2006 was a relatively “quiet" year in terms of Although the 2006 growing season was relatively “quiet” and crop problems in crop growth and management, there is always more prospects were excellent, a review of prevailing conditions and to learn with regard to "managing the manageable” in order to pest issues always presents opportunities for learning. Problems keep yields moving up. This symposium will include a review of with crop development and pests developed, despite the general recent research on the related issues of corn roots, tillage, and goodness of the season, and agricultural issues changed or crop nutrition, and will conclude with a presentation on the ever- evolved, presenting the possibility for improvements. Panel critical issue of establishing the best possible stand. members will interact to address field crop issues in 2006—W hat 1:00 pm Tillage System Effects on Root Growth and happened? How can we learn from our experiences in 2006? Fertilizer Placement Considerations ♦ Could a good crop year have been better? A look back to look Rickard Cruse ahead. 1:35 pm Why is My Field Showing Potassium 11:45 a m -1 :0 0 pm Lunch, on your own Deficiency? + Fabian Fernandez 2:10 pm The Ideal Corn Stand + Emerson Nafziger Symposium C ♦ Wheat Management in Illinois ♦ Rooms 314A and B ♦ Fred Kolb, Moderator (1.0 CCA credit in Integrated Pest Management and 0.5 CCA credit in Crop Management) Winter wheat acreage in Illinois has fallen by some two-thirds over the past three decades, due to yield and price instability and 2007 Illinois Crop Protection Technology Conference ♦ v ii to high yields of corn and soybean, with which wheat competes. 8:00 a m Impact of Glyphosate-resistant Palmer Good yields in recent years and more favorable prices in 2006 Amaranth on Southeastern Agriculture + have more people thinking about wheat. This symposium will Stanley Culpepper provide information on recent developments in wheat breeding 8:20 am Glyphosate-resistant Waterhemp: and management, including management of important pests. Our Experiences in Missouri ♦ 1:00 pm Fitting Wheat into Illinois Cropping Kevin Bradley Systems ♦ Emerson Nafziger 8:40 a m Predicting the Evolution and Spread of 1:25 pm Wheat Disease Management ♦ Glyphosate-resistant Waterhemp ♦ Patrick Gregory Shaner Tranel 1:50 pm Development of Fusarium Head Blight 9:00 am Preparing for the Inevitable— Resistant Wheat Varieties ♦ Fred Kolb A Prescription for Resistance ♦ Dawn Nordby 2:15 pm Managing Insects in Wheat: An Overview ♦ Doug Johnson 9:20 am Questions and Answers Symposium E ♦ Insect Management Issues: 2:45-3:15 pm Break, South Lounge Did Events in 2006 Set Us Up for 2007? ♦ Ballroom ♦ David Feltes, Moderator Symposia A , B, and Crepeated concurrently (1.5 CCA credits in Integrated Pest Management) from 3:15-5:00 pm This session will provide management information for two old insect foes (European corn borers and western corn rootworms) Symposium A (repeated) ♦ Healthy Plants; Is Your Disease and two newer invasive insect pests (soybean aphids
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