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Leafy Spurge Symposium
Fargo, North Dakota; July 25-27, 1995
Abstracts by Subject:
BASIC
1.
DNA
Characterization of Aphthona spp. L.E. Wendel, D.C. Vacek
and R. Ruiz; Mission Biological Control Center, Mission, TX
2.
Relatedness of North American and European Leafy Spurge Based on DNA
Markers. M.L. Rowe, S.J. Nissen, R.A. Masters, D.J. Lee and B.M.
Bowditch
3.
Cloning
of gro (Growth Response) Genes Which Are Induced During
Breaking of Quiescence in Root Buds of Leafy Spurge. David
Horvath, USDA/ARS Biosciences Research Laboratory, Fargo, ND
58105-5674
4.
Induced
Frost Tolerance in Leafy Spurge Roots: Changes in Carbohydrate
Metabolism. D. S. Frear and H. R. Swanson, USDA-ARS,
Biosciences; Research Laboratory, Fargo, North Dakota 58105-5674
5.
IAA
Partially Counters the Effects of Root Formation Inhibitors in Leafy
Spurge. David G. Davis 1
and Kristi A. Breiland2
1USDA/ARS
Biosciences Research Laboratory, Fargo, ND 58105-5674;2Plant
Science Department, North Dakota State University, Fargo, ND 58105.
BIOLOGICAL CONTROL
1.
PPQ
Insectary Sites in North Dakota. Keith Winks, USDA-APHIS-PPQ, PO
Box 2157, Bismarck, North Dakota 58502
2.
USDA,
APHIS Field Insectary Establishment and Redistribution of Leafy
Spurge Biological Control Agents - How It Is Working on a National
Scale. R. D. Richard, USDA-APHIS-PPQ, Bozeman Biocontrol
Station, Bozeman, MT
3.
Chamaesphecia hungarica - Current Status of Quarantine Clearance
and Field Establishment. P. E. Parker 1,
R. W. Hansen2
and J. A. Goolsby1,
USDA-APHIS-PPQ, 1Mission
Biological Control, Center, Mission, TX;
2Bozeman Biological
Control Facility, Bozeman, MT
4.
Systems
Approach with Biological Agents for Leafy Spurge Control. Jeff
A. Nelson, Rodney G. Lym and Calvin G. Messersmith, Graduate
Research Assistant and Professors, Department of Plant Sciences, North
Dakota State University, Fargo 58105
5.
Simple
Techniques for Distributing Aphthona Flea Beetles from Established
Field Insectary Sites. Rich Hansen, USDA-APHIS-PPQ, Forestry
Sciences Lab, Montana State University, Bozeman, MT 59717-0278
CHEMICAL
1.
Esters
of Quinclorac as Possible Leafy Spurge Herbicides: Absorption,
Translocation, Metabolism, and Toxicity. Gerald L. Lamoureux
and Donald G. Rusness, USDA, Agricultural Research Service,
Biosciences Research Laboratory, P.O. Box 5674, State University
Station, Fargo, ND 58105
ECOLOGY
1.
Enhancing the Competitiveness of Other Species with Leafy Spurge. Roseann
T. Wallander and Bret E. Olson, Animal and Range Sciences Dept.,
Montana State University-Bozeman, Bozeman, MT 59717
2.
Preliminary Assessment of Effect of Prescribed Fire upon
Establishment of Aphthona nigriscutis in Leafy Spurge.
David P. Fellows and Wesley E. Newton, National Biological Service,
Northern Prairie Science Center, 8711 37th St. SE, Jamestown, ND 58401
3.
Herbicides and Grass Competition for Leafy Spurge Control in North
Dakota - 1995. Katheryn Christianson, Rodney G. Lym and Calvin
G. Messersmith, Research Specialist, and Professors, Plant Sciences
Department, North Dakota State University, Fargo, 58105
ECONOMICS
1.
Economic Impact of Leafy Spurge on Alternative, Post-Conservation
Reserve Program Land Uses. Hirsch, Steven, M.S., Department
of Agricultural Economics, College of Agriculture, North Dakota State
University, Fargo, ND 58105
GRAZING
1.
Intensive Grazing of Angora Goats on Leafy Spurge Infested
Rangeland. Kevin K. Sedivec, William T. Barker and Chad
W. Prosser; Department of Animal and Range Sciences, North Dakota State
University, Fargo, ND 58105
2.
Defoliation Effects of Leafy Spurge on Sheep Rumen Microorganisms. Roberts,
J.L. and B.E. Olson, Department of Animal and Range Sciences,
Montana State University-Bozeman, Bozeman, MT 59717
3.
Multi-species Grazing Using Goats and Cattle to Control Leafy
Spurge. Chad W. Prosser, Kevin K. Sedivec and William
T. Barker, Department of Animal and Range Sciences, North Dakota State
University, Fargo, ND 58105
INTEGRATED PEST MANAGEMENT
1.
Effect of Leafy Spurge Biotype and Herbicide Application on
Aphthona spp. Establishment. Rodney G. Lym, Robert B.
Carlson and Don A. Mundal, Professor, Plant Sciences Department,
Professor and Research Specialist, Department of Entomology, North
Dakota State University, Fargo 58105
2.
Leafy
Spurge (Euphorbia esula) Management by Combining Sheep
Grazing with Fall-applied Herbicides. K.G. Beck and J.R.
Sebastian, Dept. of Plant Pathology and Weed Science, Colorado State
University
TECHNOLOGY
1.
Biological Control of Leafy Spurge in Manitoba - Progress to Date
and Prospects for the Future. Carla L. Allen, Weed
Specialist, Manitoba Agriculture
2.
Image Analysis to Determine Vegetative Cover of Leafy Spurge. J.L.
Birdsall1&3,
P.C. Quimby, Jr.1,
T. Svejcar2
and B. Sowell3;
1USDA-ARS
Rangeland Weeds Lab., MSU, Bozeman, MT 59717;
2USDA-ARS Eastern Oregon
Ag. Res. Ctr., Burns, OR 97720; 3Dept.
Animal & Range Natl. Res., MSU, Bozeman, MT 59717
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