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Crops current issues and highlighted resources

Weather impacts

Flooding or ponding

Flooded cornLearn about agronomic and disease issues when corn is exposed to prolonged saturated soil conditions.

Flooded soybean —  Learn about the factors that will help determine how well the soybean crop can withstand flooding.

Wheat flooding and waterlogging —  Learn how flooding impacts survivability and yield.

Hail

Wind and hail damage in corn —  Learn what variables to consider when assessing hail damage and replant decisions.

Hail damage to soybean crops —  Learn how to assess hail damage and estimate the survivability of seedlings.

Hail damage to alfalfa —  Learn how hail affects the alfalfa stand and forage quality.

Replant decisions

Corn grower’s guide for evaluating crop damage and replant options —  Learn how to evaluate crop damage and what to consider when deciding whether or not to replant.

Soybean damage and replanting —  Learn how to evaluate crop damage and what to consider when deciding whether or not to replant.

Digital Crop Doc

The UMN Extension crops team is launching a new program to help you with disease diagnosis in several crops:

  • Corn
  • Soybean 
  • Small grains
  • Sugarbeet
  • Forages

Visit the Digital Crop Doc, where you can tell us more about your field situation and submit photos. After you submit the form and photos, one of our team members will contact you with a diagnosis, a request for more information, or a suggestion to submit the samples to a plant disease clinic.

Emerging issues 

Cereal leaf beetle

The cereal leaf beetle has emerged as a new insect pest in northwestern Minnesota. Learn how to identify it, its life cycle and how it damages crops.

Soybean gall midge

Soybean gall midge was first identified in Rock County in August 2018 and has since been found in several counties in southwestern Minnesota.

Learn about:

  • Identification.
  • Life cycle.
  • Impacts on soybean.
  • Scouting and management.

Palmer amaranth

Palmer amaranth found in Goodhue County

  • Identification
  • Sources
  • Status in Minnesota

Preventing Palmer amaranth in Minnesota

  • Why it's a threat.
  • How to identify it.
  • What to do if you find it. 
  • How it spreads.
  • How to prevent it from getting established.

Resources

Strategic Farming: Field Notes podcast

The Field Notes program is designed for farmers and agricultural professionals as a weekly podcast addressing the season's crop-related questions in an interactive, discussion-based format. 

Listen to the latest episodes in your web browser or learn how to subscribe

Insecticide options for resistant soybean aphid

Insecticide rotations are an important part of insecticide resistance management for pyrethroid-resistant soybean aphid. Learn about suggested rotation options when the treatment threshold has been reached:

  • Suggested insecticide groups for the 1st foliar application depending on whether or not a seed treatment was applied.
  • Re-treatment suggestions based on 1st foliar application and seed treatment.

Herbicide mode of action and sugarbeet injury symptoms

  • In-depth information on eight herbicide families.
  • Injury photos for individual herbicides within each of the families.

How to do research on your farm

  • How to set up your experiment.
  • How to interpret your results.
  • Tips for successful on-farm research.

Reviewed in 2024

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