Cooperative
Extension
Service


University of Illinois
at
Urbana-Champaign


No. 25/December 6, 1997

Program Finalized, 24th Illinois Crop Protection Workshop

The 1998 Crop Protection Workshop will be March 3 and 4, 1998. Specialized sessions will be offered in crop production and development, entomology, weed science, and plant pathology. The instructors will provide hands-on materials in a classroom-style setting. Participants who register for the workshop can "tailor-make" their schedules by signing up for only those classes in which they are most interested. Instructors from the University of Illinois, University of Minnesota, University of Nebraska, and Purdue University will provide the latest information in their specialties.

The workshop has been approved by the Illinois Certified Crop Adviser Program and assigned credits in pest management, crop production, soil and water management, and soil fertility. One general session will feature two speakers addressing the regulation of transgenic crops and also how to manage identity-preserved grain. The workshop is designed for crop consultants, agronomists, agrichemical and seed company representatives, soil conservationists, farmers, Extension educators, pesticide dealers and applicators, farm managers, and others interested in crop protection issues.

Of the 23 specialized sessions, participants will be able to attend seven during the 2-day program. Each specialized session lasts 1.5 hours and provides hands-on materials. The following list previews the sessions offered. Many sessions have limited enrollments, so register early to guarantee a seat in your desired classes.

(1) Latest Technologies for Drift Reduction: Nozzles and More. A discussion of drift-control management will feature the latest technologies beyond nozzles. Instructor: Bob Wolf, agricultural engineer, U. Illinois (1.5 CCA credits, Pest Management).

(2) Remote Sensing: Applications and Expectations. Advances are occurring very rapidly in the arena of remote sensing. This is good news for agriculture. Greater spatial resolutions similar to aerial photography from space are now accessible. A discussion of greater spatial, spectral, and temporal resolutions with remote sensing technology will be featured. Instructor: Chris J. Johannsen, professor of agronomy, Purdue U., and director of the Laboratory for Applications of Remote Sensing (LARS) (1.5 CCA credits, Crop Production).

(3) Aspects of Site-Specific Management. A discussion of variable-rate seeding technologies and fertilization will be presented. Potential problems and benefits drawn from actual variable-rate experiments will be discussed. Instructor: Don Bullock, associate professor, Department of Crop Sciences, U. Illinois (1.5 CCA credits, Crop Production).

(4) Manure Management for Optimum Yield and Minimal Impact on the Environment. Used properly, manure will supply valuable nutrients for crop production. However, without precautions, manure application can cause environmental problems. This session will discuss best management practices for designing a manure-nutrient management program. Instructor: Bob Hoeft, professor, crop sciences, U. Illinois (1.5 CCA credits, Soil and Water Management).

(5) Water Quality and Your Favorite Herbicides. The Food Quality Protection Act amended the Federal Insecticide, Fungicide, and Rodenticide Act and will have an ever-increasing effect on pesticide dealers throughout Illinois. Learn how dietary exposure to pesticides through food and water may limit where and how herbicides may be used. Instructor: Dave Pike, agronomist, crop sciences, U. Illinois (1.5 CCA credits, Soil and Water Management).

(6) Growth and Management of Soybeans. Interactions of environmental factors with the growth, development, and yield of soybeans will be discussed. By understanding the reaction of soybeans to stress factors in the environment, you can manage to meet the needs of the crop and enhance yield potential. Instructor: Gary Pepper, associate professor, crop sciences, U. Illinois (1.5 CCA credits, Crop Production).

(7) Corn Production and Narrow Rows: Is the Verdict In? A discussion of research conducted in Illinois and Iowa will be presented on the effects of narrow-row corn production on yield. Other specific management considerations in producing narrow-row corn also will be offered. Instructor: Emerson Nafziger, professor, crop sciences, U. Illinois (1.5 CCA credits, Crop Production).

(8) Grass Weed Seedling Identification. Participants will learn what vegetative characteristics are important in identifying grass weed seedlings. Live specimens will be used to illustrate these traits, as well as to test participants' ability to identify grass seedlings. Participants should bring a hand-held lens. Instructor: Dave Feltes, IPM Educator, Quad Cities (1.5 CCA credits, Pest Management).

(9) Broadleaf Weed Seedling Identification. Identification of seedling broadleaf weeds will be presented. Growers and custom applicators are finding that it pays to scout fields early and identify weeds correctly before they become too large to be controlled effectively with postemergence herbicides. Some broadleaves may resemble other species, or even be from the same family but have very different tolerance to herbicides. Therefore, it is critical to correctly identify broadleaves in their early stages before the herbicide is selected and applied. Instructor: Robert Bellm, crop systems Educator, Edwardsville (1.5 CCA credits, Pest Management).

(10) Waterhemp and Kochia: Management of Two Troublesome Weed Species. Waterhemp presented producers and custom applicators with a significant dilemma during the 1997 season. Kochia has become established across a significant portion of central Illinois and presents new challenges. Understanding the biology and ecology of these species can greatly improve the odds for successful control. The latest field research findings on management programs for these species will be discussed. Instructor: Aaron Hager, Extension specialist, crop sciences, U. Illinois (1.5 CCA credits, Pest Management).

(11) Insects on the Internet, Weeds on the Web, Disease Domains, Newsletters on the Net. During recent years, a major migration of pest control information to the Internet has taken place. Participants access crop protection and production information on-line from various sources, including university, government, and industry. Instructor: Dennis Bowman, crop systems Educator, Champaign (1.5 CCA credits, Pest Management).

(12) Understanding Herbicide Modes of Action: Invaluable in Diagnosing Herbicide Injury Symptoms. A working knowledge of herbicide mode of action how a herbicide controls a plant) can be beneficial when planning a weed control program. Ideally, a herbicide should provide good control without adverse effects on the crop. However, crops are often injured by herbicides. This session will discuss the modes of action of herbicides commonly used in corn and soybean production. Injury symptoms associated with herbicide families also will be noted. Instructor: Marshal McGlamery, professor, crop sciences, U. Illinois (1.5 CCA credits, Pest Management).

(13) How's Your Weed Control Working? The Biology Underlying System Efficacy. A discussion of the potential use of economic thresholds in managing weeds will be presented. What are the obstacles in the adoption and use of thresholds in weed management systems? How are weed populations affected long term by natural sources of mortality, as well as our management systems? Instructor: Dave Mortensen, associate professor of weed science, U. Nebraska (1.5 CCA credits, Pest Management).

(14) Herbicide Carryover: Causes, Incidence, and Solutions. Herbicide persistence is an important property of soil-applied herbicides and some postemergence products that allows for extended weed control. If a herbicide remains in the soil and is present when a rotational (and susceptible) crop is planted, the persistence causes herbicide carryover. Degradation rates in the soil under normal environmental conditions typically reduce herbicide concentrations to sub-lethal levels for rotational crops. Application timing, soil pH, and climatic conditions in the intervening months between target crop and the following crop also may be important in determining the potential for herbicide carryover. Instructor: Bill Simmons, associate professor, natural resources and environmental sciences, U. Illinois (1.5 CCA credits, Pest Management).

(15) Weed Management Systems in Herbicide-Resistant/Tolerant Crops. This session will focus on optimizing weed management strategies in herbicide-resistant/tolerant crops, including Roundup Ready soybeans, Liberty Link corn, imidazolinone-resistant/tolerant (IR/IT) corn, and Poast Protected corn. The session also will provide initial insight on managing weeds in Roundup Ready corn. Use of herbicide-resistant/tolerant crops for managing problem weeds also will be addressed. Instructor: Steve Hart, assistant professor, crop sciences, U. Illinois (1.5 CCA credits, Pest Management).

(16) Troubleshooting Field Crop Problems. Draw from field experiences to see if you can diagnose challenging field crop injury problems. The session will cover insect, disease, herbicide injury, and abiotic problems, and their resolution. Instructors: George Czapar, IPM Educator, Springfield, and Suzanne Bissonnette, IPM Educator, Champaign (1.5 CCA credits, Crop Production).

(17) Management of Soybean Insect Pests. Join this session for a discussion of currently recommended soybean pest management practices and an overview of ongoing IPM research. We will focus on the future, emphasizing anticipated changes in soybean IPM technology and philosophy. Soybean insect specimens will be available to sharpen your identification skills. Instructor: Charlie Helm, research scientist, Illinois Natural History Survey (1.5 CCA credits, Pest Management).

(18) Managing European Corn Borer with Bt Hybrids. Several methods for managing European corn borer populations in corn will be presented, including insecticide use and timing, native resistance, and Bt transgenic corn. Discussions will aim to improve understanding of damage/loss relationships, field scouting, and economic thresholds. Instructor: Ken Ostlie, associate professor, entomology, U. Minnesota (1.5 CCA credits, Pest Management).

(19) Seed Corn Insect Management. This session will cover monitoring, decision making, and insecticide selection for control of insects in seed-corn production. An emphasis will be corn earworms and European corn borers. Instructor: Rick Foster, associate professor, entomology, Purdue U. (1.5 CCA credits, Pest Management).

(20) Sampling Insect Populations: What Tools and Tricks of the Trade Are Available? Monitoring fields for pests, an integral component of pest management, can be time and labor intensive. However, with a basic understanding of the crop and pest, the producer can streamline field sampling to get necessary decision-making information efficiently. Passive and active field-sampling techniques, equipment, reference resources, and other tricks of the trade will be discussed and demonstrated. Instructor: John Obermeyer, IPM Extension specialist, entomology, Purdue U. (1.5 CCA credits, Pest Management).

(21) Management of Western Corn Rootworms: Exploring the Options. The basics of corn rootworm biology, ecology, and management will be reviewed briefly. Special emphasis will be placed on the latest management opportunities and difficulties; including larval injury to corn grown in rotation, insecticide resistance, and areawide management of adult rootworms to prevent larval injury. Instructor: Michael Gray, associate professor, crop sciences, U. Illinois (1.5 CCA credits, Pest Management).

(22) Recognition and Management of Key Corn and Soybean Diseases in Illinois. Sharpen skills in identifying key insect diseases of corn and soybeans. A discussion of proper management strategies also will be provided. Instructor: Walker Kirby, associate professor, crop sciences, U. Illinois (1.5 CCA credits, Pest Management).

(23) Diagnosis and Management of Important Nematode Problems in Illinois. Improve skills in determining nematode diseases of corn and soybeans. Focus on how to identify problem areas in fields and confirm that nematodes are involved by using proper equipment and sampling techniques. Some key nematode pests will be available for viewing. Instructor: Dale Edwards, associate professor, crop sciences, U. Illinois (1.5 CCA credits, Pest Management).

If you have questions on registration, please call Conferences and Institutes at (217)333-2881. If you have questions concerning the content of the workshop, please give me a call.

Mike Gray, Extension Entomology, (217)333-6652