Contact Us


Plant, Soil and Entomological Sciences

Agricultural Sciences Bldg.
Room 242
Phone: (208) 885-6274
Fax: (208) 885-7760

Mailing Address:
Plant, Soil and Entomological Sciences
University of Idaho
875 Perimeter Drive MS 2339
Moscow, ID 83844-2339

Timothy Prather

Timothy Prather

Office: Agricultural Science Building
Room 317

Phone: (208) 885-9246
Email: tprather@uidaho.edu

College of Agricultural and Life Sciences
Department of Plant, Soil and Entomological Sciences

  • Research/Focus Areas
    • Weed Ecology
  • Selected Publications
    • Wallace, J. M., T. S. Prather and V. Peterson. 2012. Effects of aminopyralid on ponderosa pine (Pinus ponderosa). 5:164-169.
    • Laitala, K. L., T. S. Prather, D. C. Thill, B. Kennedy, and C. Caudill. 2012. Efficacy of benthic barriers as a control measure for Eurasian watermilfoil (Myriophyllum spicatum). Invasive Plant Science and Management 5:170-177.
    • Bell, J. L., I. C. Burke, and T. S. Prather. 2011. Uptake, translocation and metabolism of aminocyclopyrachlor in prickly lettuce, rush skeletonweed and yellow starthistle. Pest Management Science 67:1338-1348.
    • Nyamai, P. A., T. S. Prather and J. M. Wallace. 2011. Evaluating restoration methods across a range of plant communities dominated by invasive annual grasses to native perennial grasses. Invasive Plant Science and Management 4:306-316.
    • Wallace, J., T. S. Prather and L. Wilson. 2010. Plant Community Response to Integrated Management of Meadow Hawkweed (Hieracium caespitosum) in the Pacific Northwest. Invasive Plant Science and Management 3:268-275
    • Stapleton, J.J., C. G. Summers, J.P. Mitchell and T. S. Prather. 2010. Deleterious activity of cultivated grasses (Poaceae) and residues on soilborne fungal, nematode and weed pests. Phytoparasitica 38:61-69
    • Summers, C. G., J. J. Stapleton, T. S. Prather, J. P Mitchell. 2009. Sudex cover crops can kill and stunt subsequent tomato, lettuce and broccoli transplants through allelopathy. California Agriculture 63:35-40.
    • Mallek, S. B., T. S. Prather and J. Stapleton. 2007. Interaction effects of Allium spp. residues, concentrations and soil temperature on seed germination of four weedy plant species. Applied Soil Ecology 37:233-239.
    • Dahlquist, R. M., T. S. Prather, J. J. Stapleton. 2007. Tim and temperature requirements for weed seed thermal death. Weed Science 55:619-625.
    • Shafii, B. W.J. Price, T.S. Prather, L.W. Lass, D. Howard. 2006. Modeling dispersal of yellow starthistle in the canyon grasslands of north central Idaho. Applied Statistics in Agriculture. G. A. Milliken (Ed.). Kansas State University, Manhattan, Kansas
  • Research Projects
    • Invasive plant ecology
    • Invasive plant detection with emphasis on remote sensing, identifying areas likely invaded for early detection and rapid response survey
    • Integrated pest management of weeds in hay, pasture CRP and wildland areas
    • Plant community rehabilitation with special attention to both invasive plant interactions and soil interactions
    • Modeling plant movement across landscapes


    • Administers the Lambert Erickson Weed Diagnostic Laboratory that identifies, tracks and surveys for invasive plant species
    • Provides technical and educational program support to Cooperative Weed Management Areas in Idaho
    • Collaborates with county faculty on pasture and wildland projects
  • Awards and Honors
    • Idaho Weed Hall of Fame, 2011
    • Bronze Award for Idaho Farm Bureau Private Forest Series, Association of Natural Resource Extension Professionals, 2007.
    • Outstanding Paper, Weed Technology, 2003