See All Pest, Disease and Weed Identification

7 Results

List Grid

Veronicastrum virginicum - culver's root
Weeds in the Fields - Articles Articles

Weeds in the Fields

Mary Ann Ryan

When driving, we often see flowering weeds in fields or roadsides. Casual walks along a country road may cause us to stop and check out the weeds of summer. More
Purple Loosestrife – A Noxious Weed
Purple Loosestrife – A Noxious Weed - Articles Articles
Recently, some folks pulled into the local nursery, asking about the pretty pink flowering plants that were blooming along the fields and roadsides. More
Figure 1. Lodged corn seen from a distance.
Corn rootworms Suspected of Resistance to Bt Corn Varieties Discovered - Articles Articles
Western corn rootworms that developed resistance to some Bt corn varieties may now be a problem in PA. More
Figure 1. Drain plugs must be sealed. Photo: PA Mushroom IPM Handbook
IPM in Mushroom Production: Exclusion Techniques for Pest Control - Articles Articles

IPM in Mushroom Production: Exclusion Techniques for Pest Control

Maria Gorgo-Gourovitch, David Meigs Beyer, Ph.D., John A. Pecchia, Ph.D.

Exclusion prevents the entrance of pest organisms into new rooms and their escape from older ones. The latter should not be underestimated. More
Mourad Louadfel, Bugwood.org
Keep an Eye Out for Cereal Leaf Beetle - Articles Articles
Scout now for infestations of cereal leaf beetle in small grain fields. The larval stage feeds on the leaves and fields appear white if heavily infested. More
Assessing Soybean Fields for Insect Damage
Assessing Soybean Fields for Insect Damage - Articles Articles
This time of year (July) a suite of insect pest species are feeding upon soybean foliage. More
Alfalfa Weevil
Alfalfa Weevil - Articles Articles

Alfalfa Weevil

John Tooker, Ph.D.

Alfalfa weevil is one of the two most-damaging insect pests of alfalfa in Pennsylvania (the other is potato leafhopper). It is an exotic species that likely evolved in Asia, but appears to have been introduced to the U.S. at least three times. More