NATIONAL PURPLE LOOSESTRIFE RESEARCH INITIATIVES
  1. 1Shane Gabor, 1Henry Murkin, 2Erling Armson
    1Institute for Wetland and Waterfowl Research
    c/o 2Ducks Unlimited Canada
    P.O. Box 1160
    Oak Hammock Marsh, MB R0C 2Z0
    (204) 467-3271
    Tip Haagsma
    Dow Elanco Canada Inc.
    1354 Blackwell Rd., Box 2044
    Sarnia, ON N7S 5M4
    (519) 542-2141

    1. Gabor, T. S., Haagsma, T., and Murkin, H. R. 1996. Wetland plant responses to varying degrees of purple loosestrife removal in Southeastern Ontario, Canada. Wetlands 16(1): 9598.
    2. Gabor, T. S., Haagsma, T., Murkin, H. R., and Armson, E. 1995. Effects of triclopyr amine on purple loosestrife and nontarget wetland plants in southeastern Ontario, Canada. J. Aquat. Plant Manage. 33: 4851.
    3. Effects of triclopyr on newly established purple loosestrife and non-target wetland plants in southern Manitoba, Canada. (S. Gabor, T. Haagsma and H. Murkin)

  2. Cory Lindgren
    MB Purple Loosestrife Project Coordinator
    P.O. Box 1160
    Oak Hammock Marsh, MB R0C 2Z0
    (204) 467-3263
    Shane Gabor & Henry Murkin
    Address Above

    1. An evaluation of an integrated management approach for the control of purple loosestrife: biological control agents and herbicides. (S. Gabor, C. Lindgren, H. Murkin)
    2. An evaluation of the success of biological control agent releases in Manitoba. (Lindgren)

  3. Gerry Stephenson, John Laing, Gerry Hofstra, Larry Peterson, Brian Husband, Richard Reader, Jim Corrigan
    Department of Environmental Biology / Botany
    University of Guelph
    Guelph, ON N1G 2W1
    (519) 824-4120

    1. Comparative biology and coexistence strategies for Galerucella calmariensis and G. pusilla.(J. Laing) Completed August 1995.
    2. Biology of Acanthoscelides tenuis and its impact on Lythrum salicaria in southern Ontario. (J. Laing) Completed May 1995.
    3. Mass-rearing techniques for G. calmariensis, G. pusilla and Hylobius transversovittatus. (J. Laing)
    4. Release and establishment of G. calmariensis and G. pusilla for control of purple loosestrife in Ontario. (J. Laing)
    5. Impact of G. calmariensis and G. pusilla on purple loosestrife in semi-field and open-field releases in Ontario. (J. Laing)
    6. Establishment of Hylobius transversovittatus for control of purple loosestrife in Ontario. (J. Laing)
    7. Persistence of triclopyr and glyphosate in a southern Ontario aquatic environment. (D. MacKenzie)
    8. Effects of two formulations of glyphosate and triclopyr on four non-target aquatic species: Myriophyllum sibiricum, Lemna gibba, Xenopus laevis and Tubifex tubifex. (M. Perkins and G. Stephenson)
    9. Physiological studies on the phytotoxic action of triclopyr and glyphosate in purple loosestrife. (N. Feisthauer and G. Stephenson)
    10. Seasonal variations in seed viability in the inflorescence of purple loosestrife. (T. McCaughey and G. Stephenson) k) Seasonal changes in root reserves of starch and soluble sugars in purple loosestrife. (T. McCaughey and G. Stephenson)
    11. Effect of a water gradient on vesicular-arbuscular mycorrhizal colonization. (R.L. Peterson and K. Stevens) m) Effect of a water gradient on anatomy of roots and stems. (R.L. Peterson, K. Stevens and G.R. Stephenson)
    12. Vegetative spread in purple loosestrife. (R.L. Peterson, K. Stevens and G.R. Stephenson)
    13. Effect of water gradient and response of roots in relation to competition among wetland plants. (Proposed Ph.D. project of K. Stevens)
    14. Demography and population growth rates of Lythrum salicaria populations in Wellington County, southern Ontario. (B. Husband and C.A. Lacroix)
    15. Effects of Lythrum salicaria on pollinator visitation and reproductive success in the native wetland species verbena hastata and eupatorium perfoliatum. (B. Husband and K. Leakey)
    16. Relationship between Lythrum salicaria and species richness along the Bar River, Ontario. (B. Husband and M. Treberg)
    17. Are introduced species less affected than native species by herbivory and competition from neighbours? An experimental test using an exotic (Lythrum salicaria) and a native (Verbena hastata) wetland plant. (R. Reader)
    18. Grand River watershed management plan for purple loosestrife.(Jim Corrigan and Donna MacKenzie)
    19. Ontario biological control project against purple loosestrife. (Jim Corrigan and Donna MacKenzie)

  4. J. Lovett-Doust, L. Lovett-Doust, T.K. Mal
    Dept. of Biological Sciences
    University of Windsor
    Windsor, ON
    N0B 3P4
    Phone: (519) 253-4232 ext. 2699

    1. Morph frequency and floral variation in a heterostylous colonizing weed, Lythrum salicaria. (T.K. Mal and J. Lovett Doust)
    2. Effect of soil moisture and fertilizer application on tristylous flowers of Lythrum salicaria (Lythraceae). (T.K. Mal and J. Lovett Doust)
    3. Time-dependent competitive displacement of Typha angustifolia by Lythrum salicaria. (T.K. Mal and J. Lovett Doust & L. Lovett Doust)
    4. Fertility and seedling vigour following legitimate and illegitimate matings in Lythrum salicaria. (T.K. Mal and J. Lovett Doust & L. Lovett Doust)

  5. Rosemarie DeClerck-Floate
    Agriculture and Agri-Food Canada
    Lethbridge Research Centre
    P.O. Box 3000, Main
    Lethbridge, AB T1J 4B1
    (403) 327-4561

    1. Rearing and distribution of biocontrol agents.
    2. Monitoring of Galerucella spp. establishment and impact.

  6. Jason Diehl and Neil Holliday
    Department of Entomology
    University of Manitoba
    Winnipeg, Manitoba R3T 2N2
    (204) 474-9257

    Biological control of purple loosestrife, Lythrum salicaria L. with Galerucella spp.: dispersal and population dynamics of the insects and impact on plants under prairie conditions.

  7. Roy Cranston
    Provincial Weed Specialist
    101, 17720 57th Avenue
    Surrey, BC V3S 4P9
    (604) 576-3738

    Biological control of purple loosestrife British Columbia: An introduction of natural agents to attack purple loosestrife.

  8. Heather Dundas Project Manager
    115 Perimeter Road
    Saskatoon, SK S7N 0X4
    (306) 975-4101

    Saskatchewan Purple Loosestrife Eradication Project

  9. Christopher Maund
    Provincial Entomologist
    Plant Industry Agriculture and Rural Development
    P.O. Box 6000
    Fredericton, NB E3B 5H1
    (506) 453-2108

    1. C.M. Maund, K.V. McCully and D.B. Finnamore. 1993. A summary of insect biological control agents released against weeds in NB pastures from 1990 to 1993. Adaptive Research Reports 15:359-380.
    2. C.M. Maund, R. Sharpe, A. Stairs and K.V. McCully. 1994. Biological control of selected weeds and insects in New Brunswick pastures during 1994. Adaptive Research Reports 16:385-397.
    3. C.M. Maund, R. Sharpe and K.V. McCully. 1995. Biological control of selected weeds with insects in New Brunswick pastures during 1995. Adaptive Research Reports. 17:227-240.

  10. Brian Gravelle
    Portfolio Officer
    Greenbelt Environmental and Land Management Branch
    National Capital Commission
    202 - 40 Elgin Street
    Ottawa, Ontario K1P 1C7
    (613) 239-5433

    1. Release of biological control agents of purple loosestrife (1995 and 1996). NCC Quebec Urban Lands - Voyageur Parkway Corridor, NCC Greenbelt - Shirleys Bay Sector.
    2. Purple loosestrife / Survey of Greenbelt lands and Gatineau Park. A visual ground survey of infested areas to determine the spread & density of the growth in specific areas. Scheduled for 1997 season.
    3. Monitoring of study / test plots at various locations throughout the National Capital Commission Greenbelt and Urban Lands portfolios.

  11. Jeff Stewart
    Research Scientist
    Entomology Agriculture and Agri-Food Canada
    P.O. Box 1210
    Charlottetown, P.E.I. C1A 7M8
    (902) 566-6844

    Management of purple loosestrife with beneficial insects. (J. Stewart, D. Gibberson and T. Duffy)

  12. Erich Haber
    National Botanical Services
    604 Wavell Avenue
    Ottawa, Ontario K2A 3A8
    (613) 722-5523

    1. Database of georeferenced occurrences of purple loosestrife.
    2. Historic spread of purple loosestrife using a series of range maps.

  13. Paul A. Keddy
    Department of Biology
    University of Ottawa
    30 Marie-Curie C.P. 450 Stn A
    Ottawa, Ontario K1N 6N5

    1. McJannet, C.L., P.A. Keddy and F.R. Pick. 1995. Nitrogen and phosphorus tissue concentrations in 41 wetland plants: a comparison across habitats and functional groups. Functional Ecology 9:231-238.
    2. Gaudet, C.L. and Paul A. Keddy. 1995. Competitive performance and species distribution in shoreline plant communities: a comparative approach. Ecology 76: 280-291.
    3. Twolan-Strutt, L. and Paul A. Keddy. 1996. Above- and belowground competition intensity in two contrasting wetland plant communities. Ecology 77: 259-270.
    4. Weiher, E. and Paul A. Keddy. 1995. The assembly of experimental wetland plant communities. Oikos 73: 323-335.
    5. Weiher, E., C. Wisheu, P.A. Keddy, and D.R.J. Moore. 1996. Establishment, persistence, and management implications of experimental wetland plant communities. Wetlands 16:208-218.