Weed management

Weed Science Extension

The Weed Science program at the University of Missouri administers extension, research and teaching programs to keep you informed of the latest findings in weed management.

Sewer Line Chemical Root Control (Category 5B)

Non-soil Agricultural Fumigation Manual for Private Applicators

Soil Fumigation Manual (Category 12 Commercial, Category 21 Private)

Aerial Applicators' Manual (Category 13 Commercial, Category 23 Private)

January 30, 2025

Private Pesticide Applicator Training and Ag Update - Atchison County

January 31, 2025

Private Pesticide Applicator Training and Ag Update - Nodaway County

February 5, 2025

Private Pesticide Applicator Training and Ag Update - Clinton County

February 6, 2025

Private Pesticide Applicator Training - Dekalb County

Online ag research: When more is less

December 12, 2024

Boone County Master Gardener training begins Jan. 23

December 4, 2024

Soybean disease on agenda of 2025 Midwest Crops Conference in St. Joseph

November 25, 2024

Register now for January online Extension Master Gardener training

November 21, 2024

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.