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Weed management

Ragweed, dandelions, foxtail, broadleaf weeds.

Plant pests

Learn how to identify, prevent or eliminate weeds.

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Publications

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Restricted-Use Pesticide Record-Keeping Form

Publication date: April 1, 2023

This Restricted-Use Pesticide Record-Keeping Form is for use with MP692, USDA Pesticide Record-Keeping Requirements for Certified Private Applicators of Federally Restricted-Use Pesticides. The revised form includes places to note information ...

A Guide to the Common Forages and Weeds of Pastures

Publication date: Jan. 27, 2023

$30.00

Greg J. Bishop-HurleyPostdoctoral research associate, AgronomyRobert L. KallenbachState Forage SpecialistForages are the foundation of a successful grazing operation. Forage selection should take into account annual forage yield, plant persistence, ...

Facts About Glyphosate-Resistant Weeds

Publication date: Oct. 26, 2022

Reviewed by Kevin BradleyDivision of Plant SciencesChris Boerboom, University of WisconsinMicheal Owen, Iowa State UniversityThis publication describes the status and potential consequences of glyphosate-resistant weeds; and the primary factors that ...

Understanding Glyphosate to Increase Performance

Publication date: Oct. 26, 2022

Reviewed by Kevin BradleyDivision of Plant SciencesBob Hartzler, Iowa State UniversityChris Boerboom, University of WisconsinGlenn Nice, Purdue UniversityPeter Sikkema, University of GuelphGlyphosate and Roundup Ready crops are popular because they ...

Biology and Management of Horseweed

Publication date: Oct. 26, 2022

Reviewed by Kevin BradleyDivision of Plant SciencesMark Loux, Ohio State UniversityJeff Stachler, Ohio State UniversityBill Johnson, Purdue UniversityGlenn Nice, Purdue UniversityVince Davis, Purdue UniversityDawn Nordby, University of IllinoisThis ...

Biology and Management of Common Ragweed

Publication date: Oct. 26, 2022

Reviewed by Kevin BradleyDivision of Plant SciencesTom Jordan, Purdue UniversityGlenn Nice, Purdue UniversityReid Smeda, University of MissouriChristy Sprague, Michigan State UniversityMark Loux, Ohio State UniversityBill Johnson, Purdue ...

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Resources

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Weed Management in Pastures (PDF)

What factors should you consider when it comes to pasture weed control? This presentation summarizes common Missouri pasture weeds, factors to consider before applying herbicides, and identification tips on weeds that pose health risk to livestock.

2015 Field Day: Early Season Herbicide Injury on Soybean (video)

Mizzou Weed Science graduate student Blake Barlow discusses early-season soybean injury due to preemergent herbicides and how visible injury does not always translate to yield loss at the 2015 Mizzou Pest Management Field Day.

2013 Field Day: Horseweed Stop (video)

MU Extension State Specialist Kevin Bradley discusses the importance of controlling marestail, or horseweed, prior to soybean planting at the 2013 Mizzou Pest Management Field Day.

2014 Field Day: Comparing Palmer Amaranth to Common Waterhemp (video)

MU Extension State Specialist Kevin Bradley shares characteristics that can help distinguish between waterhemp and Palmer amaranth at the 2014 Mizzou Pest Management Field Day.

2014 Field Day: Dicamba and 2,4-D Drift Injury on Soybean (video)

University of Missouri Extension State Specialist Kevin Bradley describes how little dicamba and 2,4-D are required to injury sensitive soybean at the 2014 Mizzou Pest Management Field Day.

2015 Field Day: Control of Marestail/Horseweed (video)

MU Extension State Specialist Kevin Bradley presents burndown programs for difficult to control marestail, or horseweed, at the 2015 Mizzou Pest Management Field Day.

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Weed Science Extension

Allowing turf professionals, farmers and homeowners to search for and identify common weeds from alligatorweed to yucca.

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