Pests and Diseases

Recommendations for managing weeds, pests, and diseases in forage crops, including grass hay, clover, corn, wheat, cereal, barley and soybeans. Tips for dealing with deer, insects and noxious weeds.

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Timothy hay field infected with Cereal Rust Mites; notice the curled leaves. Photo Credit: Andrew Frankenfield, Penn State Extension.
Time to Scout for Cereal Rust Mites in Timothy - News News
Cereal rust mites are a small but destructive pest that could be robbing yield and quality from your timothy hay fields. More
A field with and without a soybean burndown herbicide program. Photo: Dwight Lingenfelter, Penn State Weed Science
Dicamba Products and Xtend Soybeans - News News
Not all dicamba-containing products are RUPs and not all can be applied in a burndown application prior to planting Xtend soybeans. More
Field with a mixed population of herbicide resistant and susceptible marestail. Photo: Bryan Young, Purdue Weed Science
Managing Weeds for the Future - Articles Articles

Managing Weeds for the Future

Dwight Lingenfelter

Weed management is primarily dictated by herbicide resistance. Mechanisms of resistance and ways to optimize herbicide use and include other management options are discussed. From the 2018 Corn and Soybean Congress. More
A weedy alfalfa field. Photo: Penn State Weed Science
Spring Weed Control in Alfalfa - Articles Articles

Spring Weed Control in Alfalfa

Dwight Lingenfelter

As spring approaches, forage weeds can become a problem. Certain herbicides can be applied but timing is critical. See information below of more details. More
Burcucumber in Corn Field Photo: Penn State Weed Science
Burcucumber Management in Corn and Soybean - Articles Articles
Burcucumber continues to plague some corn and soybean fields in the region. Consider some of the recommendations below to manage this problem weed. More
Photo Caption: Nozzles, Nicole Santangelo, PSU
What’s New in Weed Control 2018: Label Updates - Articles Articles
Learn new product labels and label updates for the 2018 season. More
Palmer Noxious Weed by PSU
Noxious Weed Act Signed Into Law on October 30, 2017 - Articles Articles

Noxious Weed Act Signed Into Law on October 30, 2017

Dwight Lingenfelter, William S. Curran, Ph.D., Annie Klodd

The new Pennsylvania Controlled Plant and Noxious Weed Act will help protect your farm or property from some newer invasive noxious weeds. More
Photo Caption: Deer in Winter, Andrew Frankenfield, Penn State
Deer Control Options for Farmers and Landowners - Articles Articles
Crop damage caused by deer is a reoccurring theme for farmers. Learn about the management options available to control deer populations. More
Figure 1. Different stalk rots of corn are known to occur in Pennsylvania. Photo Credit: Ayllssa Collins
Scouting for Stalk Rots in Corn - News News

Scouting for Stalk Rots in Corn

09/27/2017

An increase in stalk rots is possible as we move into harvest season. Learn the characteristics of five common stalk rots. More
Caption: European corn borer larva feeding in the whorl of a corn plant.
Selecting Bt Corn Traits for Insect Pest Management - News News
Design an effective rotation for resistance management with the Handy Bt Trait Table. More
Upcoming Events for April
Upcoming Events for April - News News

Upcoming Events for April

09/20/2017

Registration for Penn State Extension Agronomic Field Diagnostic Clinic opening soon! More
Soybean Sentinel Plot Program September 5, 2017 Update Soybean Sentinel Plot Program September 5, 2017 Update - News
Reports continue to indicate low pest populations in soybean fields. Most of our fields are in R5-6 and most insect damage is not relevant after R5. More
Identifying Late Season Foliar Diseases in Forage Grasses
Identifying Late Season Foliar Diseases in Forage Grasses - News News
Cool, wet weather and foliar diseases. More
Soybean Sentinel Plot Program July 26, 2017
Soybean Sentinel Plot Program July 26, 2017 - News News
More reports this week from across the state that uniformly indicate low pest populations in the soybean fields we are scouting. More
Thinking About Preparing For Slugs For Next Year
Thinking About Preparing For Slugs For Next Year - News News
While slugs are fresh in our minds it may be beneficial to discuss some longer-term slug-management options that might help decrease future slug challenges. More
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