Dwight Lingenfelter

Responsibilities and Interests:

My primary responsibilities include assisting the State Weed Specialist, Dr. Curran with his Extension and applied research activities. I am responsible for developing presentations, newsletter articles, writing fact sheets and other materials for Extension purposes, assisting with the routine revisions of The Penn State Agronomy Guide, presenting practical information at county Extension meetings, conferences and field days, and generally contributing to other Extension and herbicide evaluation research in mainly agronomic and some vegetable crops. Also, I am involved with coordinating our annual Penn State Agronomic Field Diagnostic Clinic and Agronomy Scout School and coaching our Penn State Collegiate Weed Science Team.

Links:

• Penn State Weed Management
• Penn State Crop Management Extension Group

Professional Background:

• Research Technician, Ciba Crop Protection Research Station, Hudson, NY, 1992
• District Manager/Crop Consultant, Crop Pro-Tech, Inc., Sterling, IL, 1992-93
• Extension Associate, Dept. of Plant Science, Penn State, 1994-present
• I am an active member of the Pennsylvania Agronomic Education Society and am serving on the Board of Directors, the Weed Science Society of America (WSSA), and a Past President of the Northeastern Weed Science Society (NEWSS).

Selected Publications:

EXTENSION

• Lingenfelter, D. D. and W. S. Curran. 2001. Wirestem muhly management in agronomic crops, Agronomy Facts 61, Penn State, College of Agric. Sci., Univ. Park.
• Curran, W. S. and D. D. Lingenfelter. 2001. Weed management in corn, sorghum, soybeans, small grains, forages, and grass pastures. In The Penn State Agronomy Guide, 2002. Penn State, College of Agric. Sci., Univ. Park.
• Curran, W. S., J. Harper, and D. D. Lingenfelter. 2000. Herbicide resistant crops in 2000, Penn State College of Agric. Sci., Univ. Park.
• Curran, W. S., M. D. McGlamery, R. A. Liebl, and D. D. Lingenfelter. 1999. Adjuvants for enhancing herbicide performance, Agronomy Facts 37, Penn State College of Agric. Sci., Univ. Park, PA.
• Curran, W. S., D. D. Lingenfelter, and L. Garling. 1996. An introduction to weed management for conservation tillage systems. Conservation tillage fact sheet series, Penn State College of Agric. Sci., Univ. Park.
• Curran, W. S., D. D. Lingenfelter, L. Garling, and P. Wagoner. 1996. Cover crops for conservation tillage. Conservation tillage fact sheet series, Penn State College of Agric. Sci., Univ. Park.
• Beegle, D. B. and D. D. Lingenfelter. 1996. Soil Acidity and Aglime, Agronomy Facts 3, College of Agric. Sci., Penn State Univ., Univ. Park.
• Lingenfelter, D. D. and D. B. Beegle. 1996. Starter Fertilizer, Agronomy Facts 51, College of Agric. Sci., Penn State Univ., Univ. Park.
• Beegle, D. B., L. E. Lanyon and D. D. Lingenfelter. 1995. Nutrient Management Legislation in Pennsylvania, Agronomy Facts 40, College of Agric. Sci., Penn State Univ., Univ. Park.
• Lingenfelter, D. D and W. S. Curran. 1995. Multiflora rose management in grass pastures, an integrated approach, Agronomy Facts 46, Penn State Univ., College of Agric. Sci., Univ. Park.
• Lingenfelter, D. D and W. S. Curran. 1995. Yellow nutsedge control in field crops, an integrated approach, Agronomy Facts 47, Penn State Univ., College of Agric. Sci., Univ. Park.

RESEARCH

• Isoxaflutole vs. Mesotrione: The Battle of the Bleachers. D.D. Lingenfelter, W.S. Curran, and K. Handwerk. 2002. Proc. NEWSS 56:24.
• ALS-Resistant Pigweed in Pennsylvania: Is it finally here? D.D. Lingenfelter and W.S. Curran. 2001. Proc. NEWSS 55:20.
• Roundup vs. Liberty: What have we learned? D.D. Lingenfelter, W.S. Curran, and E.L. Werner. 2000. Proc. NEWSS 54:39.
• Control of Wirestem Muhly in Herbicide Resistant Corn. D.D Lingenfelter, and W.S. Curran, 1999. Proc. NEWSS 53:65.
• Topical Soda Apple in Pennsylvania: Merely an Isolated Incident? D.D. Lingenfelter and W.S. Curran, 1998. Proc. NEWSS 52:22.
• Effect of Preplant Tillage and Nicosulfuron on Wirestem Muhly Control in Corn. D.D. Lingenfelter and W.S. Curran, 1997. Proc. NEWSS 51:15.
• Effect of Glyphosate Application Timing on the Control of Wirestem Muhly (Muhlenbergia frondosa (Poir.) Fernald). D.D. Lingenfelter and W.S. Curran, 1997. WSSA Abstracts 37:27.
• Effect of Glyphosate and Several ACCase Inhibitor Herbicides on Wirestem Muhly Control. D.D. Lingenfelter and W.S. Curran, 1996. Proc. NEWSS 50:36.