Pests and Diseases

Recommendations for managing weeds, insect pests and diseases in cover crops such as barley and wheat. Tips on deer control options and dealing with toxic plants such as pokeweed.

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Be sure to answer those license questions before heading out to the field.
Pesticide Applicator FAQs - News News

Pesticide Applicator FAQs


Get an answer to your question about the private pesticide applicator license. More
Are you at risk?
Online Risk Management Focus Group - Webinars Webinars
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
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
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


Finding corn ears with feeding on the ear tip? 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
Figure 1. Wax moth larvae killed by Metarhizium infection. Metarhizium spores contact, germinate, infect, and ultimately kill insect pests. Photo credit: Nick Sloff, Penn State Department of Entomology
Managing a Beneficial Soil Fungus for Insect Control - Articles Articles

Managing a Beneficial Soil Fungus for Insect Control

Mary Barbercheck, Ph.D., Imtiaz Ahmad, Christina Voortman

Pest suppression is an important function of healthy soil. The effects of cover crops and soil characteristics on a beneficial fungus are being examined. 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
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,
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
Adult Marsh slug. Photo: Anna Busch
Pennsylvania Slug Monitoring Project Update - News News
It looks like this spring farmers are getting a break from slug ravaged fields. In most PA Slug Project fields, populations remain low. More
Black cutworm. John Capinera, University of Florida,
Black Cutworm Moths and Slugs are Becoming Active - Articles Articles
Small numbers of black cutworm moths are arriving in Pennsylvania, while slugs are hatching from their eggs. Watch wet fields for slug damage as crops emerge. More
New Pesticide Application Record Keeping Manual Available
New Pesticide Application Record Keeping Manual Available - News News
The new Pesticide Application Recordkeeping Manual is a 40 page spiral bound booklet with useful tables and information. 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
Crops Conferences
Crops Conferences - Workshops Workshops
These one-day seminars offer opportunities to earn pesticide, nutrient management and certified crop adviser credits, and to learn about key current crop management issues. More
Pennsylvania Certified Crop Adviser Study Guide
Pennsylvania Certified Crop Adviser Study Guide - Online Courses Online Courses
Study soil and water, and crop, pest, and nutrient management, the agronomy areas you are required to know for the Pennsylvania Certified Crop Adviser exam. More
Major Insect Pests of Red Clover in Pennsylvania
Major Insect Pests of Red Clover in Pennsylvania - Articles Articles
Two insect pests, the clover root curculio and the clover root borer, are partially responsible for the reduction or elimination of red clover stands. More
Pokeweed - Videos Videos


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

This video discusses Pokeweed biology and management in field crops. More
Frank Peairs, Colorado State University,
Potato Leafhopper on Alfalfa - Articles Articles
The potato leafhopper is the most destructive insect to alfalfa in Pennsylvania, causing average annual losses of approximately $15 million. More
Clemson University - USDA Cooperative Extension Slide Series,
Angoumois Grain Moth - Articles Articles
The angoumois grain moth, Sitotroga cerealella (Olivier), is occasionally found in Pennsylvania feeding on corn stored on the ear. More
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