Extension

Extension Bulletins (excerpt) click to see whole list.

Economics of Potato Seed Spacing and Planting Depth in Potato Production

Published on April 3, 2025
Michigan State University (MSU) has invested decades into advancing potato variety development to support and strengthen the industry.
2024 Potato Seed Spacing and Planting Depth: An Agronomic Analysis

Published on April 3, 2025
Michigan is among the top ten potato producing states in the United States with a large component of the Michigan Potato Industry dedicated to supplying potatoes for nationwide chip manufacturers
Midwest Vegetable Production Guide for Commercial Growers

Published on December 6, 2024
This annual guide is a summary of currently suggested vegetable varieties, seeding rates, fertilizer rates, weed control, insect control and disease control measures for commercial growers. A version of this publication is available at http://mwveguide.org
Managing Soil Health for Root and Tuber Crops

Published on September 12, 2016
Soil health influences both yield and quality in root and tuber crops such as potato, sugar beet and carrot.
Tuber Soft Rot, Blackleg and Aerial Stem Rot

Published on April 15, 2016
This 4-page bulletin from MSU discusses the symptoms of each disease, depicted with full-color photos. The annual cycle of the diseases is both explained in the text as well as visually with a graphic and discusses management strategies.

Extension Articles Excerpt (click to see more)

Potential survival of potato volunteers in Michigan in 2021

Published on May 19, 2021
Begin scouting for volunteer potatoes, which may serve as possible sources of late blight inoculum. Observed high risk of survival throughout the state.
Michigan potato late blight forecast – Sept. 9 2020

Published on September 9, 2020
No late blight reported. Weather-based risk is medium throughout Michigan.
Michigan potato late blight forecast – Aug. 27, 2020

Published on August 27, 2020
No late blight reported. Weather-based risk is medium throughout Michigan.
Michigan potato late blight forecast – July 22, 2020

Published on July 22, 2020
No late blight reported. Weather-based risk is medium throughout Michigan.
Michigan potato late blight forecast – July 8, 2020

Published on July 8, 2020
No late blight reported. Weather-based risk low to moderate throughout Michigan.
Managing disease for better growth, storage and processing of sugar beets and potatoes

Published on July 1, 2020
Jaime Willbur, assistant professor in the Michigan State University Department of Plant, Soil and Microbial Sciences, analyzes the impact of pathogens to prolong the health of key Michigan crops.
Michigan potato late blight forecast – June 17, 2020

Published on June 17, 2020
No late blight reported. Weather-based risk low to moderate throughout Michigan.
Special local needs labels renewed for long-season chlorothalonil use on potato in Michigan in 2020

Published on May 13, 2020
Bravo Weather Stik, Bravo Zn, Echo 720 and Echo 90DF 24(c) labels are available.
Leaf spot detections in Michigan sugarbeet fields

Published on June 21, 2019
Cercospora and Alternaria leaf spot have been detected in Tuscola County in 2019.
Potato Variety Trial and Field Day, Aug. 29, 4 – 7 p.m. ET at Vandamme Farms in Rock Michigan

Published on October 12, 2018
The potato variety trial and field day will be held August 29, 4-7 p.m. at Vandamme Farms in Rock Michigan. The feild day is funded by the Michigan Potato Industry Commission to evaluate varieties and educate potato farmers on new management practices.