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grasshopper

Grasshopper Control

June 20, 2025lyndsie

David Owens, Extension Entomologist, owensd@udel.edu A question came in this week on best products for grasshopper management. In 2018, Bill Cissel, Joe Deidesheimer, and I tested Prevathon, Sniper and Lorsban. We got great and equivalent grasshopper control from all three… Continue Reading →

General 33:15, grasshopper

Agronomic Crop Insect Scouting

May 26, 2023raharris

David Owens, Extension Entomologist, owensd@udel.edu Corn Continue scouting for stink bug and cutworm activity, particularly in late planted, late burn-down fields. Cutworm are large enough to cut plants, and we experienced a significant cutworm flight earlier this year in our… Continue Reading →

Agronomic Crops 31:9, grasshopper, true armyworm

Grasshoppers in High Populations

August 27, 2021kgyoung

Jerry Brust, IPM Vegetable Specialist, University of Maryland, jbrust@umd.edu This season keeps with the weird and unusual with reports of grasshoppers causing damage in many different vegetables. I thought this was just an unfortunate farm that was having problems with… Continue Reading →

Vegetable Crops 29:23, grasshopper

Grasshoppers in Vegetables

July 21, 2017cmanneri

Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu This season keeps with the weird and unusual with reports of grasshoppers causing damage in many vegetables. I thought this was just an unfortunate farm in southern Maryland that was having… Continue Reading →

Vegetable Crops grasshopper, vegetable insect scouting

Field Crop Insect Update

June 9, 2017cmanneri

Bill Cissel, Extension Agent – Integrated Pest Management; bcissel@udel.edu Alfalfa Continue to sample alfalfa for potato leafhoppers. Sample weekly starting seven days after the first cutting until final harvest. Ten sweep net samples should be taken in 10 random locations… Continue Reading →

Agronomic Crops alfalfa, bean leaf beetle, field corn, grasshopper, potato leafhopper, slugs, soybean, true armyworm

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