Iowa State Weed Science Online

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Reference Desk
A collection of useful references for weed management including links to herbicide labels, publications, and agrochemical manufacturers.

Weed Science Archives
A listing of all articles that have appeared on this site since November 1996. Articles are arranged by topic.

Weed Science Personnel
Links to Iowa State University faculty, staff, and graduate students involved with weed science research, extension, and teaching.

Publications
A listing of available weed management and related publications offered by Iowa State University, both online and in print form. Ordering information is also included.

Agronomic Links
Internet sites related to agronomy and crop production topics, government agencies, media, and University departments.

Weed Search
Use this page to search the entire site for articles containing keywords you submit.

Hot pages on ISU Weed Science
A listing of the top pages accessed by site visitors.

Iowa's Noxious Weeds

Herbicide Package Mixes Table

Herbicide Mode of Action Chart

2011 Herbicide Guide for Corn and Soybean Production

Weed Identification Resources

Herbicide Ad Hall of Shame

Spring control of multiflora rose - Now is a good time to treat this invasive plant

Iowa State University Weed Science Field Day, 2011- Details for the June 23rd field day are provided

Glyphosate, glyphosate resistant crops, crop production, plant diseases and health - Response to recent claims regarding safety of glyphosate

Waterhemp wins again - Description of factors leading to HPPD resistance in waterhemp (pdf)

Is a PRE applied POST as good as a PRE applied PRE - Discussion of the value of Warrant in managing glyphosate resistance in RR soybean (pdf)

Spread of glyphosate resistance - Discussion of how resistance will spread across the Iowa landscape (pdf)

New information on herbicide labels - It's easier to determine the mode of action of herbicides

Weed Control Results - 2010

Changes in common milkweed occurrence since the introduction of RR crops

Glyphosate Interactions with Micronutrients and Plant Diseases - Updated article with additional information

Equisetum: Biology and Management - Updated bulletin describing field horsetail and scouring rush (pdf)

I owa Soybean Association and Iowa State University Weed Science Collaborate on Glyphosate Stewardship Publication - the PDF is available

Brush management for acreage owners

Still don't think you need Integrated Weed Management? A top 10 list of reasons to diversify weed management

A brief history of Canada thistle in Iowa - Summary of early research on our first noxious weed

Weed seed predation in agricultural fields - What's eating the seeds in your fields?

... and justice for all.
The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, gender, religion, age, disability, political beliefs, sexual orientation, and marital or family status. (Not all prohibited bases apply to all programs.) Many materials can be made available in alternative formats for ADA clients. To file a complaint of discrimination, write USDA, Office of Civil Rights, Room 326-W, Whitten Building, 14th and Independence Avenue, SW, Washington, DC 20250-9410 or call 202-720-5964.

ISU Extension Weed Management
2104 Agronomy Hall
Ames, Iowa 50011-1010
Voice: (515) 294-1923
Fax: (515) 294-9985

This site is managed by Mike Owen and Bob Hartzler.
Questions and comments can be submitted here.