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University of Nebraska–Lincoln

Plant Pathology

S.N. Wegulo's Research

Dr. Wegulo’s research interests focus on cultivar resistance, epidemiology, and integrated management of plant diseases with emphasis on wheat. Extension activities include development and delivery of clientele-targeted educational programs and annual wheat disease surveys.

Most Recent Publications

  • Wegulo, S. N., and Vilchez, M. 2007. Evaluation of lisianthus cultivars for resistance to Botrytis
    cinerea    . Plant Disease 91:997-1001.
  • Giesler, Loren J., Robert Harveson, Tamra Jackson & Stephen Wegulo. 2006. Foliar Fungicides 101: Understanding Fungicide Chemistry. Crop Protection Clinics Proceedings. pp. 79-83.
  • Giesler, Loren, Robert Harveson, Tamra Jackson & Stephen Wegulo. 2006. Here Today, Gone Tomorrow: Why Diseases Emerge as New Problems. Crop Protection Clinic Proceedings. pp. 84-91.
  • Wegulo, S. 2006. How climate impacts wheat diseases. Wheat Technology Conference Proceedings. pp. 43-45.
  • Wegulo, S. N. 2006. Powdery mildew of wheat: biology and management options. Crop Watch. March 17, 2006 .
  • Wegulo, S. N. 2006. Downy mildew of alfalfa: watch for it in early spring. Crop Watch. March 31, 2006 .
  • Wegulo, S. N. and Rees, J. 2006. Wheat disease update: rusts identified in southern states. Crop Watch. April 7, 2006 .
  • Wegulo, S. and Klein, R. 2006. Wheat soilborne mosaic virus showing up in wheat fields. Crop Watch. April 14, 2006 .
  • Wegulo, S. N., Chaky, J. L., and Lesoing, G. W. 2006. Tan spot causing yellowing of wheat planted into wheat stubble. Crop Watch. April 21, 2006 .
  • Wegulo, S. N., Chaky, J. L., and Lesoing, G. W. 2006. Wheat testing positive for wheat streak mosaic virus. Crop Watch. April 28, 2006 .
  • Wegulo, S. 2006. Rusts reported in Midwestern states. Crop Watch. April 28, 2006 .
  • Wegulo, S. N. and Breathnach, J. 2006. Leaf rust found in south central Nebraska . Crop Watch. May 19, 2006 .
  • Wegulo, S., Hein, G., Lyon , D., Harveson, R., Franc, G., Booker, W., DeBoer, K., Stump, W., and Cecil, J. 2006. Winter wheat survey in western Nebraska and southeastern Wyoming . Crop Watch. June 9, 2006 .
  • Wegulo, S. 2006. Wheat rust update: stripe rust found in Nebraska . Crop Watch. June 9, 2006 .
  • Wegulo, S. 2006. Wheat disease update. Crop Watch. June 30, 2006 .
  • Wegulo, S. 2006. Selecting seed to manage seed-transmitted wheat diseases. Crop Watch. July 28, 2006 .
  • Wegulo, S. 2006. Management of Botrytis diseases in flower crops. CORF News. Spring 2006 - Vol. 10, Issue 1.
  • Wegulo, S. 2006. Downy mildews: an everpresent threat to ornamental production. CORF News. Spring 2006 - Vol. 10, Issue 1.
  • Robert N. Klein and Stephen Wegulo. 2006. Root and Crown Rot -- Winterkill Complex of Winter Wheat. G1097 NebGuide.
  • Ogg, Clyde L. and Erin Bauer, Project Coordinators, Robert J. Wright and Stephen N. Wegulo, Content Specialists. 2006. Seed Treatment Initial DVD. University of Nebraska-Lincoln Extension.
  • Ogg, Clyde L. and Erin Bauer, Project Coordinators, Robert J. Wright and Stephen N. Wegulo, Content Specialists. 2006. Seed Treatment Recertification DVD. University of Nebraska-Lincoln Extension.
  • Bauer, Erin, Editor. Fred Baxendale, Roch Gaussoin, Loren Giesler, Tiffany Heng-Moss, Robert Klein, Clyde Ogg, Robert Shearman, Anne Streich, and Stephen Wegulo, Technical Consultants. 2006. Ornamental and Turf Pest Control. Second edition. University of Nebraska-Lincoln.
  • Wegulo, S. N. and Vilchez, M. 2006. Evaluation of fungicides for control of downy mildew of limonium, 2005. F&N Tests Vol 61:OT029.
  • Wegulo, S. N. and Vilchez, M. 2006. Evaluation of fungicides for control of Botrytis blight of lisianthus, 2004. F&N Tests Vol 61:OT030.
  • Wegulo, S. N. and Vilchez, M. 2006. Evaluation of fungicides for control of downy mildew of limonium, 2004. F&N Tests Vol 61:OT028.
  • Wegulo, S. N. and Vilchez, M. 2006. Evaluation of fungicides for control of powdery mildew of rose, 2004. F&N Tests Vol 61:OT026.
  • Wegulo, S. N. and Vilchez, M. 2006. Evaluation of fungicides for control of downy mildew of snapdragon, 2003. F&N Tests Vol 61:OT027.
  • Wegulo, S. N. and Vilchez, M. 2006. Evaluation of fungicides for control of powdery mildew of delphinium, 2003. F&N Tests Vol 61:OT025.
  • Wegulo, S. N. and Vilchez, M. 2006. Evaluation of fungicides for control of powdery mildew of delphinium, 2002. F&N Tests Vol 61:OT024.
  • Tjosvold, S. A., Thompson, J. F., Wegulo, S. N., and Koike, S. T. 2006. Control of downy mildew on rose with a novel leaf-canopy air circulation system. Phytopathology 96:S114.