University of Delaware
Weekly Crop Update
  • UD Cooperative Extension Home
Weekly Crop Update
from UD Cooperative Extension
Menu Close
  • Current Issue
  • About WCU
  • Issue & Weather Archive
  • Subscribe

corn earworm

Agronomic Crop Insect Scouting

September 13, 2024lyndsie

David Owens, Extension Entomologist, owensd@udel.edu Soybeans Corn earworm should have largely moved out of soybeans by now. You may still see some stragglers, particularly in late beans. Any double crop beans that have not been treated and are particularly late… Continue Reading →

Agronomic Crops 32:27, corn earworm, small grains, soybeans, stink bug, wooly worm

Agronomic Crop Insect Scouting

August 23, 2024lyndsie

David Owens, Extension Entomologist, owensd@udel.edu Sorghum Any sorghum that was shedding pollen in the last 7-10 days or is currently shedding pollen should be scouted for corn earworm. Beat 50 heads into a bucket and count the number of small,… Continue Reading →

Agronomic Crops 32:24, corn earworm, headworm, podworm, soybean looper

Vegetable Crop Insect Scouting

August 23, 2024lyndsie

David Owens, Extension Entomologist, owensd@udel.edu Cole Crops Cabbage looper and diamondback moth are extremely more active in Georgetown right now than they have since 2020. Bt is a good worm material early on when plants are small, rotate among modes… Continue Reading →

Vegetable Crops 32:24, beet webworm, cabbage looper, corn earworm, diamondback moth

Agronomic Crop Insect Scouting

August 9, 2024raharris

David Owens, Extension Entomologist, owensd@udel.edu Soybean Continue scouting R3-R5 soybean for stink bug. Thresholds are 5 bugs in 15 sweeps for conventional beans, 2-2.5 bugs for seed production, and somewhere in between is where Plenish soybeans should be at. Defoliation… Continue Reading →

Agronomic Crops 32:22, aphids, corn earworm, stink bug

Vegetable Crop Insect Scouting

August 9, 2024raharris

David Owens, Extension Entomologist, owensd@udel.edu Moth counts are increasing. Most recent vial tests indicate a 32% survival rate following a pyrethroid challenge. The good news is that this is slightly lower than some years. In August we have tested 168… Continue Reading →

Vegetable Crops 32:22, aphids, corn earworm, diamond back moth

Post navigation

← Older Articles

Additional Resources

  • Cooperative Extension Home
  • Commercial Vegetable Production Recommendations
  • Insect Sampling and Action Thresholds
  • Insect Trapping Programs
  • Integrated Weed Management
  • Extension Vegetable & Fruit Program
  • UD Extension Factsheets
  • DEOS Weather Station Data
  • NEWA Weather & Models

Join us on social media!

 

 

Admin

  • Log in
  • Entries RSS
  • Comments RSS
  • WordPress at UD
© 2025 Weekly Crop Update. All rights reserved.
Fashionista by aThemes
UD
  • Go to the UD twitter page (external link)>
  • Go to the UD facebook page (external link)>
  • Go to the UD instagram page (external link)>
  • Go to the UD youtube page (external link)>
  • Go to the UD pintrest page (external link)>
  • Go to the UD linkedin page (external link)>
  • ©   University of Delaware
  • Comments
  • Legal Notices
  • Accessibility Notice