William H. Darr School of Agriculture
Pamela Borden Trewatha, Ph.D.
Professor of Horticulture
Room 204 Karls Hall
phone: (417) 836-5097
e-mail: pbtrewatha@missouristate.edu
New weeds, information being added to Midwest Weed ID link above during spring 2012-- follow link for more information.
Spring 2012 Office Hours:
- Tuesday and Thursday: 9:00 - 11:30 am, and any time I'm in my office or by appointment; I can be reached by the phone or e-mail given above, and am happy to arrange a time to meet with you
Courses Taught: (see links to courses at above left)
- AGP 485 - Weed Science─ Fall 2012 (offered as a blended course, with lectures on-line on Blackboard, and face-to-face lab meetings for weed identification and other activities)
- AGP 333 - Landscape Design─ last taught Spring 2008
- AGP 353 - Turfgrass Management─ Spring 2012 (offered as an on-line course through Blackboard)
- AGP 363 - Landscape Plants - Fall 2012
- AGP 403 - Nursery Management─ Fall 2011, probably Fall 2013 (offered as an on-line course through Blackboard)
- AGP 453 - Crop Physiology/AGP 753 - Plant Stress Physiology─ Spring 2012 (offered as an on-line course through Blackboard)
- AGR 300 - Food & Agricultural Chemistry─ Spring 2012 (offered as an on-line course through Blackboard)
- AGR 399 - Advanced Landscape Design - probably Fall 2012
- AGR 499 - Internship in Horticulture─ Summer 2011, 2012
Educational Background:
- B.S. in Plant Protection, 1978, Purdue University, Department of Botany & Plant Pathology
- M.S. in Horticulture, 1982, Kansas State
University, Department of Horticulture
- Emphasis on woody ornamental production; research on use of growth retardants on container-grown blue holly
- Ph.D. in Horticulture, 1987, Kansas State
University, Department of Horticulture
- Emphasis on turfgrass physiology; research on enhancing spread and reducing water use of zoysiagrass cultivars by use of growth regulators
Research Interests:
- I'm currently working on writing a midwest weed identification manual and am continually researching and photographing weeds throughout the midwest
- Surveys of new weed species spread in Missouri and throughout midwest
- Native plant production, restoration and
adaptation for use in ornamental horticulture
- production and evaluation of prairie/dryland wildflowers for sustainable landscapes
- evaluation of western native oak species for use in Missouri
- evaluation of spruce species for use in Missouri
- Past research has included evaluation of native warm-season grasses for allelopathy, effect of herbicides on native warm-season grass mycorrhizae, turfgrass cultivar evaluation trials