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Soybean Sentinel Plot Program

Posted: June 7, 2017

As for the past five growing seasons, again this year The Pennsylvania Soybean Promotion Board is funding a Soybean Sentinel Plot Program, which is being managed by Penn State Extension and The Department of Entomology at Penn State.

In this effort, Penn State Extension Educators are regularly scouting 25 or so ‘typical’ soybean fields in twenty counties across the state, reporting the populations of plant pathogens and insect pests that they find. Then we will publish our scouting report here in the Field Crop News to share with our readers what diseases and insect pests are relevant, active, and perhaps concerning, in various parts of Pennsylvania. Our goal is to keep folks aware of pests so that they will then scout their fields as part of an IPM program. It would be imprudent to use these reports as the basis or justification for an insecticide application.

Due to the wet weather, most of the soybean fields that we will be scouting have not yet been planted or emerged. From the few fields scouted, slugs are the most concerning pest at the moment, but bean leaf beetles are also becoming active. No diseases have been reported yet, but with all the moisture certainly soybean diseases will make themselves known before too long.

In the reports below, pests that were found during scouting are listed with their severity, which is rated on a 1-10 scale with 10 being the highest. Growers should be sure to check their own fields to determine your local populations, but these reports will give you a sense of what pests are active in fields. Our reports are distributed via this weekly newsletter, Penn State’s Field Crop News, and will be available in the next day or two on Penn State’s Field Crop Entomology website.

Reports:

6 June – Columbia County – Chris Houser/Joel Imgrund

Growth stage: VC

  • Bean leaf beetle – Severity: 1
  • Slugs – Severity: 1
  • No diseases noted

6 June – Northumberland County – Chris Houser/Joel Imgrund

Growth stage: VC

  • Bean leaf beetle – Severity: 1
  • Slugs – Severity: 3
  • No diseases noted

6 June – Union County – Chris Houser/Joel Imgrund

Growth stage: VE

  • Bean leaf beetle – Severity: 1
  • Slugs – Severity: 1
  • No diseases noted

Contact Information

John Tooker
  • Extension Specialist
Phone: 814-865-7082