Resources for Weed Management
If you are trying to identify a weed, find the newest information
on herbicide resistance and other emerging issues in weed management
you need to visit ontarioweeds.com.
Ontarioweeds.com was designed to be an ever-growing knowledge
base of weed information. Combining biological and identifying characteristics
of top interfering species along with new emerging research articles,
media, and control options, ontarioweeds.com provides the tools
to make informed risk-reducing weed control decisions.
a powerful search tool, simply type in the name of a weed (common
names, botanical name, or Bayer code) to access information for
that specific weed, or better yet, if you don't know the name of
the weed that you need information on, simply search using descriptive
terms such as "yellow flower", or "thistle."
Once on an actual weed information page, all the information for
that specific weed is displayed, including reference illustrations
If you still can not identify the weed species you can send a
picture into ontarioweeds.com by clicking on the Weed I.D. Services
tab on the left tool bar. However, proper identification is greatly
dependent on the quality of the photographs submitted (see "Rules
for submitting photos") and completion of the form provided
on the site. This site does not guarantee the accuracy of its online
weed identification services and as such users requiring a higher
degree of accuracy should contact a pest diagnostic clinic within
their geographic area.
Crop IPM: Know how and why it is important to scout
and identify weeds, as well as diagnose herbicide injury.
Cover Crops for Weed Management
- Guide to Weed
Control, Publication 75, Ontario Ministry of Agriculture,
Food and Rural Affairs. $15.00 + GST. Visit ServiceOntario
Publications website or call ServiceOntario Publications Contact
Centre at: 1-800-668-9938 or OMAFRA Resource Centres.
Guide to the Weeds of Quebec, Publication VT 007, by Claude
Bouchard and Romain Neron, 1999, ISBN 2-89457-174-7, 264 pages.
To order: Distribution de livres UNIVERS, 845, rue Marie-Victorin,
Saint-Nicholas, Quebec, G7A 3S8, (418) 831-7474 or 1-800-859-7474;
fax (418) 831-4021, firstname.lastname@example.org,
$16 + S&H. French version also available.
- Weeds of Canada and the Northern United States,
by France Royer and Richard Dickenson, University of Alberta Press
and Lone Pine Publishing, 141 Athabasca Hall, Edmonton, Alberta,
Canada T6G 2E8, paperback, 434 pages, 750 colour photographs and
150 line drawings, 1999 $29.95
of the Northeast, by Richard H. Uva, Joseph C. Neal, and
Joseph M. DiTomaso, Published by Comstock Publishing Associates/
Cornell University Press, Sage House, 512 East State Street, Ithaca,
New York, 14850, 1997, paperback, ISBN 0-8014-8334-4, 397 pages,
includes 299 weeds.
Plants and Plant Communities of Minnesota & Wisconsin,
2nd Edition, by Steve D. Eggers and Donald M. Reed, Published
by U.S. Army Corps of Engineers, St. Paul District, 1997, paperback,
263 pages., $11.00 US. per copy plus $2.00 for 4th class shipping
or $3.50 for first class postage. An order form can be found on
in the Field: A Farmer's Guide to Weed Management Tools,
edited by Greg Bowman, 1997. Discusses history of herbicide use
and concurrent decline in knowledge about weed management tools.
Describes techniques of using a variety of cultivation tools while
minimizing erosion and soil compaction. Presents case studies
of weed management systems used by farmers throughout U.S., including
small and large farmers growing agronomic, horticultural and dryland
crops. Includes detailed drawings and explanations of many tools,
including hoes, cultivators, flamers and guidance systems. 128
pp. US$18. Sustainable Agriculture Publications, Hills Bldg.,
University of Vermont, Burlington, VT 05405-0082; phone (802)
656-0471; email email@example.com.
- Integrated Vegetation Management (IVM) for Roadsides,
by Sheila Daar and Shawn King, 1997. Presents in-depth information
about implementing IVM in Washington, with emphasis on how road
crews can develop long-term sustainable strategies. Defines IVM
as process of monitoring; determining injury levels and action
thresholds; proper timing of maintenance efforts; selection of
least disruptive control tactics; and evaluation. Includes information
about deciding when and where to apply treatments, selecting treatments
and monitoring beneficial and noxious vegetation. 180 pp. Free.
Contact Don Priest, Urban Pesticide Initiative, U.S. EPA Region
X, 1200 6th Avenue, Mail Station ECO 084, Seattle, WA 98101; phone
(206) 553-2584; fax (206) 553-1775; email firstname.lastname@example.org.
Seedling Guide, Alberta Agriculture, Food and Rural Development,
1996 62 page booklet, spiral bound field guide with photos and
descriptions of 50 seedling broadleaf and grassy weeds.
- Common Weed Seedlings of The United States
and Canada, produced by the Weed Society
Weed Seedlings of the North Central States, NCRE Publication
607, by Andrew J. Chomas, James J. Kells and J. Boyd Carey, Dept.
of Crop & Soil Science, Michigan State University, Bulletin
Office, 10-B Ag. Hall, East Lansing Michigan, 48824-1039, (517)
355-0240, Email: email@example.com
, paperback, 21 pages, 1998, $2.00 US www.weeds.iastate.edu/weednews/ncseed.htm.
- The Biology of Canadian Weeds, Publications
1693 & 1765, Edited and compiled by Gerald A. Mulligan, Communications
Branch, Agriculture and Agrifood Canada, Ottawa K1A 0C7, 1979
& 1984, paperback, 380 & 415 pages.
- The Biology of Canadian Weeds, Contributions
103 to 129, Edited and compiled by P. B. Cavers, Department of
Biology, University of Western Ontario, London, Ontario, ©2005
by the Agriculture Institute of Canada, paperback, 516 pages.
of the Prairies (previously Weeds of Alberta), Alberta
Agriculture, Food and Rural Development, Publications Office,
7000-113 St., Edmonton, Alberta T6H 5T6, (780) 427-0391 or Fax
(780) 422-8835, paperback, 209 pages, 375 photographs.
Field Guide to Wildflowers by Roger Tory Peterson and
Margaret McKenney. Available from most bookstores, this is a good
pictorial guide to identification and includes some species not
commonly found in agriculture but similarly may not include all
- Weeds of California (and other Western States)
Joseph DiTomaso and Evelyn A. Healy, ©2007.
A 2-volume reference book is a practical, easy-to-use guide to
the identification and biology of over 700 terrestrial weeds.
Included are full descriptions, colour photographs, shortcut identification
tables, and identification keys. University of California, Agriculture
and Natural Resources, Publication 3488. Order from Communication
Services, 6701 San Pablo avenue, 2nd Floor, Oakland California
94608-1239. 1-800-994-8849 firstname.lastname@example.org.
Spray Drift Awareness Videos: www.ontario.ca/spraydrift
"New Tools for Mechanical Weed Control In Vegetables",
by Robin Bellinder and Jed Colquhoun, Cornell University, New York;
15 minutes; $7.00US (cheque payable to Cornell University to Sue
Thompson, 134A Plant Sciences, Cornell University, Ithaca, NY 14853).
"Vegetable Farmers and their Weed Control Machines"
by Vern Grubinger, University of Vermont Cooperative Extension;
"How to Manage Spray Drift" Ridgetown
College - Continuing Education 1-800-652-8573.
"No-Till Vegetables", by Steve Groff,
Cedar Meadow Farm, 679 Hilldale Rd., Holtwood, PA 17532, (717) 284-5152.
Cost : $21.95 + $3 S/H (add $5.00 S/H for overseas orders), email@example.com
Weed Control in Agriculture (Course 315), Independent
Study: University of Guelph http://www.uoguelph.ca/istudy/prod02.htm#5
300 p. $285.00. Familiarizes growers with weeds and their
control, using examples specific to agriculture. Familiarizes
growers with weeds and their control, using examples specific to
agriculture. Examines weed biology and the five major methods of
weed control: preventive, cultural, mechanical, biological and chemical.
Applies this information to field crops, vegetable crops, pasture
and rangeland, and non-crop land such as railway lines, hydro right-of-ways
and roadsides. Emphasizes an integrated approach to weed problems.
Addresses environmental concerns. Includes Video 53, Applications
of Agricultural Weed Control and Video 52, Basics of Agricultural
- WeedPro75 (developed
from HADSS and Ontario Herb). For Corn and Soybean herbicides.
Weed Pro 75 is your online herbicide selection tool that puts
profitability and environmental safety first. Input basic field
information along with the different weed species found in each
field and an estimation of how heavy an infestation (density)
of each species in that field. Registered herbicides that are
effective on the indicated weed spectrum are then listed by most
profitable treatments. You can sort the results in multiple ways
including environmental impact. Then click the desired treatment
name for rates, precautions, and other product information.
- HADSS (Herbicide Application Decision Support System)
(formerly Ontario Herb). For Corn and Soybean herbicides.
Distribution online http://www.webhadss.ncsu.edu/.
- Herbicide Mode Of Action And Crop Injury Symptoms CD-ROM:
by Gunsolus, J., University of Minnesota, $40 for students and
non-profits and $80 for profit organizations (plus taxes, shipping
and handling charges) To order: #AG-CS-6893; Credit Card Orders:
1-800-876-8636; Fax orders(Need Billing/Shipping Address): 612-625-6281;
E-mail orders(Need Billing/Shipping Address): firstname.lastname@example.org
Mail orders: University of Minnesota Extension Service Distribution
Center, 20 Coffey Hall, 1420 Eckles Avenue, St Paul MN 55108-6069
(Please make checks payable to: University of Minnesota).
For more information:
Toll Free: 1-877-424-1300