Pest Management

Leafy spurge closeup — Leafy spurge spreads aggressively and is difficult to control once established. Several herbicides are labeled for control of this weed, but continued monitoring and retreatments are necessary for best results.

Pasture and Forage Minute: Controlling Leafy Spurge and Alfalfa Weevil, Planting Warm-season Annuals

May 28, 2024

Strategies for reducing spread of leafy spurge and scouting for alfalfa weevil, plus insights on selecting and planting warm-season annuals.

Pillbugs Causing Injury to Soybean Crops in Nebraska

May 23, 2024

Management of pillbugs is challenging. While some insecticides and planting strategies may help control pillbug populations, producers should carefully weigh the pros and cons of each approach.

Silage pit on farm covered with tires — Once silage is exposed to oxygen, its quality can decrease quickly. For best results, don’t expose more than three days’ worth of a pile at a time.

Pasture and Forage Minute: Retaining Silage Quality During Feedout, Grasshopper Management

May 21, 2024

Tips on retaining silage condition during feedout, planning the optimal time for grass hay harvest, and controlling grasshopper in rangeland and forages.

Closeup of pesticide application on wheat field — For concerns regarding the use of chlorpyrifos on crops during the 2024 growing season, producers should contact their local extension educator for assistance.

Current Use of Chlorpyrifos and Food Tolerances

May 9, 2024

Nebraska Extension educators share guidance on the use of chlorpyrifos products on food and feed crops in the U.S.

Ana Vélez looks through container of insects to camera in lab — Ana Vélez, associate professor of entomology, directs multiple projects in her lab, researching new genetic tools to help combat the western corn rootworm, one of the world's most devastating crop pests. (Photo by Craig Chandler, University Communication and Marketing)

Vélez is a Leader in Genetic Technology to Contain Corn Rootworm

May 2, 2024

Husker scientist Ana Maria Vélez is pioneering a genetic technology that increases larvae mortality to suppress western corn rootworm, which annually causes up to $2 billion in yield loss and control costs in the Corn Belt.

Men and women stand around tables looking at container plants — Attendees of the 2023 crop scout training course examine plants during one of the hands-on activities. (Nebraska Extension photo)

Nebraska Extension Offers Introductory-level Crop Scout Training May 21

May 1, 2024

The 2024 training course will review a wide variety of crop scouting concerns, such as drone scouting best practices, identifying nutrient deficiencies and insect damage in corn and soybean, and detecting weed seedlings.

Army cutworm eating wheat — Army cutworm larva chewing on a blade of wheat. (CropWatch file photo)

Pasture and Forage Minute: Fertilizing Cool-season Pasture, Army Cutworm Control

April 29, 2024

Extension educators review timelines for turnout to summer pastures, calculating returns on fertilizing cool-season pastures, and tips for scouting army cutworm in alfalfa fields.

Alfalfa field irrigated by center pivot — Early season irrigation linked with first cutting alfalfa can potentially lower water use sharply, as transpiration is lower when the leaf foliage is removed.

Pasture and Forage Minute: Early Season Irrigation, Controlling Alfalfa Weevil

April 23, 2024

This week, extension educators discuss strategies for early season irrigation of alfalfa to lower seasonal water use, controlling alfalfa weevil and flash grazing in spring to mitigate early pasture weeds.

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