Iowa State Weed Science Online

Site Sections

New Articles

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 Sites of Action/Group Numbers

2013 Herbicide Guide for Corn and Soybean Production

Weed Identification Resources

Herbicide Ad Hall of Shame

Palmer amaranth - A threat to Iowa? Is a new weedy Amaranth in our future?

Factors affecting pyroxasulfone behavior in the soil: Comparison of the new Group 15 herbicide to similar herbicides

(Re) Learning to Accept Herbicide Injury to Crops: Discussion of factors that influence a crops response to postemergence herbicides

Insect versus Weed: Resistance Management - Comparison of insecticide resistance management tactics to those used for weeds

Introducing the Herbicide Ad Hall of Fame: A tip of the hat to BASF and their ads promoting Herbicide Group Numbers.

Perspectives on herbicide resistance: Attitudes of farmers and ag industry views of herbicide resistance

Those who cannot remember the past . . . Survey describes poor understanding of the history of herbicide resistance in Iowa

Effectiveness of using multiple sites of acton to manage resistance: Paper describing importance of critically evaluating herbicide programs

Herbicide sites of action Description of sites of action and herbicide group numbers, including listing of products with their group numbers

Assessment of herbicide resistance in Iowa- the first report of an ongoing Iowa Soybean Association project is presented

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

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

Changes in common milkweed occurrence since the introduction of RR crops

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

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
1126C Agronomy Hall
Ames, Iowa 50011-1010
Voice: (515) 294-1164
hartzler@iastate.edu

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