Sponsored by the Horticulture and Landscape Architecture, Agronomy, Botany and Plant Pathology, and Forestry and Natural Resources departments at Purdue University, Herbicide Action is a comprehensive scientific analysis of herbicide technology.

The course brings with it a distinguished faculty and expertise that has attracted more than 1,750 participants over the past 23 years.

An intensive course, Herbicide Action is open to a maximum of 50 participants. The presentation will be October 22-27, 2006.

Herbicide Action Intensive Course

October 22-27, 2006

Herbicide Action is an intensive, five-day course covering topics related to understanding the activity, selectivity, behavior, and fate of herbicides in plants and the environment. It should be of great value to those working with agricultural chemical companies in research, development, and technical service; to crop consultants; and to others working on weed control in either the public or private sector.

The course begins on Sunday evening at 7 p.m. and ends Friday at noon. The format will consist of lectures (illustrated with slides whenever possible), demonstrations, and discussions. The WSSA Herbicide Handbook and a book of lecture notes, which is revised annually, will be provided to each participant.

Course Topics

Topics will include ode of action, characteristics, structure-activity relationships, uses, selectivity, bioassay methods, and metabolism for each of the following groups:

Photosystem II inhibitors
Protox inhibitors and superoxide generators
Glufosinate
Cell growth disruptors
Cell growth inhibitors
Lipid biosynthesis inhibitors
Growth regulator herbicides
Pigment inhibitors
Inhibitors of amino acid biosynthesis
Inhibitors of cell wall biosynthesis

Other topics will include:
Weeds and their characteristics
Penetration of foliar-applied herbicides
Herbicide adjuvants
Translocation of herbicides
Uptake of herbicides from the soil
Classification and selectivity of herbicides
Weed interference and weed ecology
Integrated weed management systems
Herbicide resistance in crops and weeds
Herbicide safeners
Herbicides and surface and ground water
Weed control in turf
Industrial vegetation management
Herbicides and reduced tillage
Diagnosis of herbicide injury
Immuno-assays
Behavior of herbicides in soil
Characteristics of soil colloids
Adsorption of herbicides
Microbial and nonmicrobial breakdown
Herbicide mobility
Herbicide biopersistance
Human health risk assessments

Registration. Registration fee of $1,500 includes a notebook with summaries of all lectures and extensive references on each subject, the WSSA Herbicide Handbook (Weed Science Society of America), other publications, one dinner, and beverage breaks. Other meals and lodging are not included. Enrollment will be limited to 50 participants. Early enrollment is advised as the session is expected to fill by early September. Spaces will be allocated according to date of receipt of registration. If you are unable to attend, full refunds will be made up to 30 days before the session starts. Fifty percent refunds will be made for cancellations after that time unless you can send a substitute or we are able to fill the vacancy. Purdue University is not responsible for costs incurred due to cancellation.

Housing and Meals. A broad array of food choices is available at nearby restaurants and in the Purdue Memorial Union. The Union Dining Services is open from 6:45 a.m. to 10 p.m. Light meals and snacks can be purchased on the ground floor of the Union. The Sagamore Room, on the third floor of the Union, offers fine dining in handsome surroundings for breakfast and lunch. Reservations are suggested ((765) 494-8945).

Special room rates for attendees are available at the Union Club Hotel also located in the Memorial Union. Rates are from $89 per night, plus tax. For reservations call (765) 494-8900 or (800) 320-6291. You may mail the form below or fax (765) 494-8924) .

Parking. Garage parking is available at $10 for 24 consecutive hours. Parking is provided at no charge for Union Club guests.

Transportation. West Lafayette is 65 miles northwest of Indianapolis, 120 miles southeast of Chicago, and is served by Interstate I-65 from both cities. There are no flights into West Lafayette. Many of our conferees fly to Indianapolis and rent a car for travel to Lafayette, or use Lafayette Limo, which makes nine trips daily between Indianapolis and West Lafayette. Telephone (765) 497-3828 for latest schedule and reservations or visit their Web site at www.lafayettelimo.com..

Purdue University is not responsible for any cancellations, changes, or charges assessed by airlines or travel agencies.

For course content information contact:
S.C. Weller, Course Director
Purdue University
Horticulture Building, Room 315
625 Agriculture Mall Drive
West Lafayette, IN 47907-2010

Office: (765) 494-1333
Fax: (765) 494-0391
Home: (765) 463-6007
E-mail:

For registration information contact:
Ed Keller, Conference Coordinator
Purdue University
Stewart Center, Room 116
128 Memorial Mall
West Lafayette, IN 47907-2034

Telephone (765) 494-9482 or (800) 359-2968
Fax (765) 494-0567
E-mail:

Union Club Hotel reservation contact:
Reservation desk: (765) 494-8900 or (800) 320-6291
Fax: (765) 494-8924

Stephen Weller, Ph.D., Purdue professor of weed science and director of the Herbicide Action Course, is a specialist in horticultural crop weed management, studies the biology of problem weeds, and has conducted research investigating physiological, biochemical, and molecular mechanisms of plant resistance to herbicides. Professor Weller directs the research of several graduate students and is a fellow of the North Central Weed Science Society and of the Weed Science Society of America. He is co-author of the fourth edition of the book Weed Science Principles and Practices, published by John Wiley and Sons. Professor Weller will present six lectures and demonstrations using fresh plant material to illustrate principles covered in the lectures.

David C. Bridges, Ph.D., University of Georgia, conducts research in weed-crop competition, weed management in agronomic crops, and modeling of weed-crop interactions. Bridges also directs the research of several graduate students. He is widely recognized as a lecturer and as a spokesperson for the weed science community on issues facing our discipline. In 1998, he received the Outstanding Young Weed Scientist Award of the Weed Science Society of America. He will present four lectures.

William G. (Bill Johnson), Ph.D., associate professor of weed science at Purdue University, is a specialist in weed biology and agronomic weed management. Active in extension and research, he conducts several training programs related to herbicide injury, herbicide resistance in weeds, and problemsolving. Professor Johnson will discuss herbicide use, weed management systems in glyphosate-resistant crops, practical aspects of glyphosate-resistant weeds, and nitrogen use by weeds in crop production.

George E. Van Scoyoc, Ph.D., is a professor of agronomy at Purdue University. He has conducted research on the sorption of organic compounds by soils, organic matter, and clay minerals and has studied the movement of nutrients and organic compounds through soils. He is the recipient of both the American Society of Agronomy and the Soil Science Society of America Outstanding Educator Awards. Professor Van Scoyoc will present information on factors that infl uence the sorption and movement of pesticides in soil.

John G. Graveel, Ph.D., Purdue professor of environmental soil science, has conducted extensive research on the fate of xenobiotics in the soil environment and the effect of cropping management systems on soil erosion and soil properties. The recipient of many awards for outstanding teaching, Professor Graveel will present information on characteristics of soil colloids and the mechanisms of adsorption of herbicides.

Ronald F. Turco, Jr., Ph.D., is a professor of agronomy and director of the Environmental Sciences and Engineering Institute at Purdue University. Professor Turco’s research concentrates on understanding the impact of soil microbial ecology on the fate of soil applied pesticides. He will present three lectures.

Peter Goldsbrough, Ph.D., Purdue professor and department head of botany and plant pathology, is trained as a molecular biologist and conducts research on how plants adapt to various environmental stresses, including responses to herbicides. He also teaches an undergraduate class on agricultural biotechnology that focuses on the development and applications of transgenic crops.

Gail E. Ruhl, M.S., is a plant pathologist, senior plant disease diagnostician, and co-director in the Plant and Pest Diagnostic Laboratory (P&PDL) at Purdue. Affi liated with the University for 27 years, Ruhl has gained an excellent reputation for her presentations on diagnostic methods, including problems that may be confused with herbicide injury.

Harvey A. Holt, Ph.D., Purdue professor of forest management, is a specialist in control of vegetation in forestry and rightsof- way, and has conducted several national and regional training programs for forestry and rights-of-way pesticide application. Professor Holt will cover the special equipment and environmental concerns in herbicide application in forestry, rights-of-way, and industrial sites.

Zachary J. Reicher, Ph.D., professor at Purdue University, is a specialist in turf management with responsibility for weed control. Active in extension and research, he conducts several training programs. Professor Reicher will discuss the special problems of weeds in turf and the latest information on herbicides used for their control.

Fred Whitford, Ph.D., is the coordinator of Purdue Pesticide Programs of the Purdue Cooperative Extension Service. He received a Ph.D. and M.S. in entomology from Iowa State University and a B.S. in wildlife management from Louisiana Tech University. Whitford has authored more than 150 research, extension, and regulatory publications, and has delivered over 1,500 presentations to a wide array of audiences. He has written two books: The Complete Book on Pesticide Management: Science, Regulation, Stewardship, and Communication, Wiley & Sons (in press), and The Complete Federal and State Compliance Guide for Hoosier Businesses, published in 2001 by Purdue University Press. Whitford’s prior professional activities include research, extension, regulatory, and pesticide application.

Herbicide Action o October 22-27, 2006

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