Department of Agriculture
Pamela Borden Trewatha, Ph.D.
Professor of Horticulture
Room 222 Karls Hall (note new room number)
phone: (417) 836-5097
e-mail: pbtrewatha@missouristate.edu
New weeds, information being added to Midwest Weed ID link above during fall 2008-- follow link for more information.
Fall 2008 Office Hours:
- Monday through Thursday, 9:00-10:00 am
- Friday, 10:00-11:00 am
- Other times by appointment, although any time I'm in my office I will be happy to visit with you
Courses Taught: (see links to courses at above left)
- AGA 485 - Weed Control─ Fall 2008
- AGH 243 - Indoor Plants─ Spring 2009
- AGH 323 - Floriculture-- Fall 2008
- AGH 333 - Landscape Design─ last taught Spring 2008
- AGH 353 - Turfgrass Management─ Spring 2009 (possibly as an on-line course)
- AGH 403 - Nursery Management─ last taught Fall 2007 (offered as an on-line course through Blackboard)
- AGR 300 - Food & Agricultural Chemistry─ Spring 2009
- AGR 499 - Internship in Horticulture─ Summer 2008
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