Dr. Rene C. Van Acker
Associate Professor of
Crop Management/Weed Science
 
 

Education:

B.Sc. Crop Science University of Guelph - 1990
M.Sc. Weed Science University of Guelph - 1992
"The critical period of weed control in soybean (Glycine max (L.) Merr.) and the
influence of weed interference on soybean growth."
Ph.D. Weed Ecology University of Reading - 1996
"Multiple-weed species interference in broadleaved crops: Evaluation of yield loss
prediction and competition models."

Fields of Expertise:

Weed Science, Agronomy, Weed Ecology


Teaching History:

Courses: University of Manitoba, 39.041 Cereal and Oilseed production Practices 1996-present
University of Manitoba, 39.354 Weed Science 1997 - present

University of Manitoba, 39.736 Special Problems in Plant Science 2 - Plant Protection (now 39.734 Advanced Weed Science) 1997-present
University of Manitoba, 38/39.436 Principles of Pest Management 2000
Extension teaching Manitoba Summer Field Diagnostic School, 1996-present
  Manitoba Winter Scouting School, 1997, 1999, 2000
Contract Teaching United Grain Growers - Summit Agronomy Training Program

 

Papers in refereed journals

Shirtliffe, S., R.C. Van Acker and D.A. Derksen. 2001. Seedling recruitment in weeds: a review. Weed Sci.(submitted)

Boyd, N.S. and R.C. Van Acker. 2001. The temporal and spatial variability of microsites and it's impact on weed population dynamics. J. of Applied Ecol. (Submitted).

Boyd, N.S. and R.C. Van Acker. 2001. Influence of shading by barley straw on the emergence of ten annual and five perennial surface seeded weed species Weed Sci. 49 (submitted).

Boyd, N.S. and R.C. Van Acker. 2001. Seed and microsite limitation of pigweed (Amaranthus retroflexus) and wild oat (Avena fatua) in fallow, forage and wheat crops in southern Manitoba. Weed Sci. 49 (submitted).

Boyd, N.S. and R.C. Van Acker. 2001. The effects of depth and fluctuating soil moisture on the emergence of ten annual and five perennial weed species. Weed Sci. 49 (accepted).

Guan, T.Y., G. Blank, A. Ismond and R. Van Acker. 2001. Fate of foodborne bacterial pathogens in pesticide products. J. of the Sci of Food and Agr. 81:503-512.

Martin S,G, R.C. Van Acker and L.F. Friesen. 2000. Critical period of weed control in spring canola (Brassica napus L.). Weed Sci. 49:326-333.

Shirtliffe, S., R.C. Van Acker and M.H. Entz. 2000. Avena fatua development and seed shatter as related to thermal time. Weed Science 48:555-560.

Van Acker, R.C. A.G. Thomas, J.Y. Leeson, S.Z. Knezevic and B.L. Frick. 2000. 1997 weed survey of cereal and oilseed crops in Manitoba. Canadian Journal of Plant Science. 80:963-972.

L.F. Friesen, T.L. Jones, R.C. Van Acker and I.N. Morrison. 2000. Identification of wild oat (Avena fatua) resistance to imazamethabenz, flamprop, and fenoxaprop-P. Weed Science. 48:532-540.

DuCroix Sissons, M.J. R.C. Van Acker, D.A. Derksen, and A.G. Thomas. 2000. Depth of seedling recruitment of five weed species measured in situ in conventional- and zero-tillage fields. Weed Science 48:327-332.

Beckie, H.J., A.G. Thomas, A. Legere, D.J. Kelner, R.C. Van Acker and S. Meers. 1999. Nature, occurrence and cost of herbicide-resistant wild oat (Avena fatua) in small-grain production areas. Weed Tech. 13:612-625.

Swanton, C.J., S. Weaver, P. Cowan, R. Van Acker, W. Deen and A. Shrestha. 1999. Weed Thresholds: Theory and Applicability. Journal of Crop Production 2: 9-30.

Van Acker, R.C., P.J.W. Lutman, and R.J. Froud-Williams. 1998. Additive Infestation Model (AIM) model analysis for the study of two-weed species interference. Weed Research 38:275-281.

Van Acker, R.C., P.J.W. Lutman, and R.J. Froud-Williams. 1997a. Predicting yield loss due to interference from two weed species using early observations of relative weed leaf area. Weed Research 37, 287-99.

Van Acker, R.C., P.J.W. Lutman, and R.J. Froud-Williams. 1997b. The influence of interspecific interference on the seed production of Stellaria media and Hordeum vulgare (volunteer barley). Weed Research 37, 277-86.

Van Acker, R.C., C.J. Swanton, and S.F. Weise. 1993. The critical period of weed control in soybean(Glycine max (L.) Merr.). Weed Science 41:194-200.

Van Acker, R.C., C.J. Swanton, and S.F. Weise. 1993. Influence of interference from a mixed weed species stand on soybean (Glycine max (L.) Merr.) growth. Canadian Journal of Plant Sci. 73:1293-1304.