Weeds

Sugarbeet root aphids plentiful in Michigan fields

Published on October 5, 2026
Sugarbeet root aphid populations are increasing across Michigan. Industry and producers are asking why and what should we do?
Earn RUP and CCA credits through 2026-2027 MSU Pesticide Safety Webinar Series: The RUP/CCA Credit Clinic

Published on October 5, 2026
The series includes 10 webinars covering pesticide safety and application topics. Pesticide and education credits are available for participants in Michigan and participating New England states. Registration is now open.
Southwest Michigan field crops update – September 17, 2026

Published on September 17, 2026
Soybeans and corn are finishing up kernel fill and drying down. Seed corn and potato harvesters ran as weather permitted.
When a cover crop becomes a cash crop: Lessons from a cereal rye seed production field

Published on September 15, 2026
A West Michigan grain farmer’s goal of growing cereal rye for grain seed leads to some important lessons on cover crop usage in Michigan.
Southwest Michigan field crops update – September 10, 2026

Published on September 10, 2026
Seed corn harvest continues and potato storage harvest will start this week, temperatures permitting.

Complete listing of Articles

2022 MSU Weed Control Guide for sale

Published December 21, 2021

Upcoming Weed Events

Nov 12

Pesticide Applicator Core SPANISH Review – 11-12-2026 West Olive

November 12, 2026 12:00PM – 5:00PM Check-in for the program is 11:30 a.m. MSU Extension Ottawa County Fillmore Complex - 12220 Fillmore St, West Olive, MI 49460

Part 1 of Spanish language review of the Pesticide Core Manual to prepare for the MDARD Pesticide Applicators Certification Exam. Part 2 of review and MDARD exam is Nov. 19, 2026. ATTENDANCE AT BOTH REVIEW SESSIONS IS REQUIRED TO TAKE MDARD EXAM.
Nov 17

Pesticide Applicator Core Review and MDARD Core Testing – 11-17-2026 MSUFCU

November 17, 2026 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. MSUFCU Headquarters community room - 3899 Coolidge Rd., East Lansing, MI 48823

A review of the Core Pesticide Applicators Manual to prepare for the MDARD Pesticide Applicators Certification Exam in the afternoon. THE CORE REVIEW IS MANDATORY TO PARTICIPATE IN THE IN-PERSON TESTING. Refreshments and light lunch will be served.
Nov 19

Pesticide Applicator Core Review and MDARD Core Testing – 11-19-2026 West Olive

November 19, 2026 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. MSU Extension Ottawa County Fillmore Complex - 12220 Fillmore St, West Olive, MI 49460

A review of the Core Pesticide Applicators Manual to prepare for the MDARD Pesticide Applicators Certification Exam in the afternoon. THE CORE REVIEW IS MANDATORY TO PARTICIPATE IN THE IN-PERSON TESTING. Refreshments and light lunch will be served.
Nov 19

Pesticide Applicator Core SPANISH Review – 11-19-2026 West Olive

November 19, 2026 8:00AM – 5:00PM Check-in for the program is 11:30 a.m. MSU Extension Ottawa County Fillmore Complex - 12220 Fillmore St, West Olive, MI 49460

Part 1 of Spanish language review of the Pesticide Core Manual to prepare for the MDARD Pesticide Applicators Certification Exam. Part 2 of review and MDARD exam is Nov. 19, 2026. ATTENDANCE AT BOTH REVIEW SESSIONS IS REQUIRED TO TAKE MDARD EXAM.
Dec 3

Pesticide Applicator Core Review and MDARD Core Testing – 12-03-2026 Hillsdale

December 3, 2026 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. MSU Extension Hillsdale County - 20 Care Drive, Suite B, Hillsdale, MI 49242

A review of the Core Pesticide Applicators Manual to prepare for the MDARD Pesticide Applicators Certification Exam in the afternoon. THE CORE REVIEW IS MANDATORY TO PARTICIPATE IN THE IN-PERSON TESTING. Refreshments and light lunch will be served.