Penn State Extension

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Palmer amaranth infestation in soybeans Photo credit: Bill Curran
Invasive Pigweeds Rising Above Soybean Canopies - News News
Now is the time to scout for Palmer amaranth and waterhemp and remove or destroy it to prevent seed production and spread. More
Pigweed Seedling Identification
Pigweed Seedling Identification - Articles Articles

Pigweed Seedling Identification

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

This is the time of year to try to correctly identify and manage problematic pigweeds in your fields. More
Introduction to Weeds and Herbicides
Introduction to Weeds and Herbicides - Articles Articles
Weeds are plants whose undesirable qualities outweigh their good points. More
Weed Management in Pasture Systems
Weed Management in Pasture Systems - Articles Articles

Weed Management in Pasture Systems

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

Weeds can replace desirable grass species, filling in gaps or voids and reducing yield and overall quality of pasture and forages. More