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Crops current issues and highlighted resources

Soybean aphid

Scouting for soybean aphid

Soybean aphid is the most significant pest of Minnesota soybean. Learn  

  • How to identify soybean aphid
  • When to scout
  • Scouting methods and thresholds
  • How to manage aphids

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 the 1st foliar application and seed treatment.

Prevented plant

Reduce the risk of fallow syndrome with cover crops

  • Areas at risk for fallow syndrome
  • Benefits of a cover crop
  • Herbicide considerations

Other resources

Cover crop resources for prevented planting - Midwest Cover Crops Council

Hail damage 

Wind and hail damage to pollinating corn

Damage can include loss of leaf area and stem bruising from hail stones, along with root lodging and stalk breakage from high winds. 

Hail damage to soybean crops

How hail impacts yield depends when damage occurs and its severity.

Emerging issues 

Soybean gall midge

Soybean gall midge on Minnesota soybean

Soybean gall midge is a new pest of Minnesota soybean. It was first identified in Rock County in August, 2018 and since then has been found in several counties in southwestern Minnesota. Learn about:

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

Palmer amaranth

Preventing Palmer amaranth in Minnesota

  • Why it's a threat.
  • Identifying Palmer amaranth.
  • How to handle infestations.
  • How it spreads.
  • Prevention.
  • Management.

 

Highlighted resources 

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 2019

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