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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2019 Pennsylvania Forage Conference
2019 Pennsylvania Forage Conference - News News
Visit with industry professionals and farmers and enjoy the day listening and learning about educational topics pertaining to forage production from industry leaders! More
Are you at risk?
Online Risk Management Focus Group - Webinars Webinars

Online Risk Management Focus Group

Multiple Options Available

2 hours

Free
Are your farm or family assets at risk? These focus groups will provide information about various types of risk and ways to protect your assets. More
Image Credit: Emelie Swackhamer, Penn State Extension
Spotted Lanternfly Agricultural Producer and Forest Landowner Impact Survey - News News
A survey is currently underway to gather information from horticultural growers, field crop farmers, and forest landowners on the potential economic impact of the spotted lanternfly (SLF) on agriculture and forestry. More
The Penn State Agronomy Guide
The Penn State Agronomy Guide - Guides and Publications Guides and Publications

From: $15.00

To: $45.00

The Agronomy Guide provides comprehensive information on crop, soil, and pest management for farms of all sizes. More
Max Williamson, USDA Forest Service, Bugwood.org
Local Extension Offices are Offering a Private Pesticide Applicator Short Course - News News
A two-day short course is being offered at local Penn State Extension offices across the state to prepare applicators for the private pesticide applicator exam. More
Photo by Dwane Miller
Crops Conferences Kick-off in Lancaster, Lehigh - News News
Minnesota Grain Marketing educator Ed Usset to highlight the Penn State Crops Conferences in Lancaster and Lehigh Counties. More
John Wallace, Penn State Weed Science
John Wallace, Weed Management Extension Specialist - News News
Introducing Penn State’s new extension weed specialist More
Weeds germinating in seedling wheat (D. Lingenfelter, Penn State Extension)
Fall Weed Control in Wheat and Barley - Articles Articles

Fall Weed Control in Wheat and Barley

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

As fall weeds compete with wheat and barley establishment, below are some herbicide options to consider. More
Figure 1: Western bean cutworm caterpillar, showing the distinctive longitudinal lines in its collar (or pronotum) behind its head. (Image Credit: Eric Bohnenblust, Penn State)
Caterpillars in Corn: Earworm, Western Bean Cutworm or Corn Borer? - Articles Articles
The end of the summer is a good time to scout for caterpillar damage in corn. What is present will tell you if you have pests that need to be managed next year. More
Brown marmorated stink bugs on soybeans in Clinton County. Most soybean fields in Pennsylvania are in growth stage R6 or later and so are past the point when insects, like stink bugs, or diseases will reduce yield. Image Credit: Greg Roth
Soybean Sentinel Plot Program September 11, 2018 - News News
With soybean maturity approaching in most fields, insects and diseases are becoming less relevant, but most pest populations remain low. More
Life stages of the Spotted Lanternfly. Credit: Penn State Extension
Spotted Lanternfly is on the Move - News News
Spotted Lanternflies are now in the adult life stage and are much more mobile. More
Corn earworm (CEW) and feeding on corn ear tip. Image credit: Rachel Milliron.
Identifying Corn Earworm - News News

Identifying Corn Earworm

09/05/2018

Finding corn ears with feeding on the ear tip? More
Burcucumber in field of corn. Image credit: Penn State Weed Science.
Managing Burcucumber and Other Late Season Weeds in Corn and Soybeans - Articles Articles
Late season weeds, such as burcucumber, can cause problems with corn and soybean harvest. Consider some of the harvest aid recommendations below to manage these problems weeds. More
Weeds growing in small grain stubble during late summer (PSU Weed Science, D. Lingenfelter)
Late Weed Control and Burndown Considerations Before Planting Fall Crops - Articles Articles
Suggestions are provided to prevent weed seed production at this time of year to reduce the weed seedbank for next season. More
A soybean plant with Sudden Death Syndrome
Soybean Sudden Death and Brown Stem Rot: How to Tell the Difference - Articles Articles

Soybean Sudden Death and Brown Stem Rot: How to Tell the Difference

Alyssa Collins, Ph.D., Adriana Murillo-Williams

These two nasty soybean diseases can be hard to tell apart. Learn what to look for so you can know your enemy. More
Healthy soybean field in Centre County. Image Credit: Adriana Murillo-Williams
Soybean Sentinel Plot Report – July 17, 2018 - News News
Our soybean sentinel plots have only minor insect/disease populations, so insecticide and fungicides applications may provide little benefit; scout to know! More
Source: Penn State Extension, D. Lingenfelter
Herbicide Drift and Sensitive Plants: What to do if Drift is Suspected - Articles Articles
If herbicide drift is suspected on sensitive plants, certain procedures must be followed to properly investigate and document the situation. Read below for more details. More
Source: Penn State Extension, D. Lingenfelter
Xtend® Soybean System and Dicamba Applied Postemergence - Articles Articles
Best management practices to reduce chances of dicamba drift in Xtend soybeans are discussed. More
Japanese beetle in soybeans. Image Credit: Anna Busch
Soybean Board Sentinel Plot Program Report for July 11, 2018 - News News
Our soybean sentinel plots continue to have minor insect and disease populations, but walk your own fields to see what is active at your place. More
Marestail Image Credit: Dwight Lingenfelter
Mid-season Weed Control Issues 2018 - News News
As we proceed through the growing season, there are a few issues surrounding weed control and herbicide use. Below are some items to consider. More
Tall Fescue poses a threat to grazing broodmares. Photo: Danielle N. Smarsh, Ph.D
Tall Fescue: Potential Problem for Pregnant Broodmares - Articles Articles
While tall fescue is not harmful to most horses, pregnant broodmares can develop fescue toxicosis if they eat endophyte-infected tall fescue. More
Hopperburn in alfalfa resulting from potato leafhopper feeding. Photo: Bryan Jensen, University of Wisconsin, Bugwood.org
Potato Leafhopper is Abundant in Alfalfa - News News
Damage to alfalfa from potato leafhopper has caught some growers by surprise. Scout your fields to determine if your local populations are problematic! More
Timing corn planting with black cutworm instar development is important for preventing damage to young corn seedlings. Photo credit: Roger Schmidt, University of Wisconsin-Madison, Bugwood.org.
Black Cutworm Management in Organic Field Corn - Articles Articles
Ecological pest management and cultural strategies are the best method for protecting crops against black cutworm damage on organic farms. More
Low lying fog in fields may indicate a temperature inversion. (Photo credit: Dwight Lingenfelter
Auxin Herbicide Drift and Temperature Inversions - Articles Articles
Temperature inversions can cause dicamba and 2,4-D to move great distances after application. Learn about the details below. More
Image shows ALS inhibitor injury from a PRE application to corn. The corn is stunted, chlorotic and may show intervenal chlorosis. (Penn State Extension)
Wet Weather and Herbicide Injury in Corn Fields - News News
Wet weather and poor growing conditions might be to blame for certain herbicide injury in corn. More
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