Penn State Extension

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Farming for Success
Farming for Success - Workshops Workshops
Join us for an agronomic field day for farmers, industry representatives, and other agricultural professionals. More
The ground cover in an orchard must be managed just as the tree canopy is managed. The orchard floor can be divided into two distinct areas: the area between the tree rows, and the area directly underneath the trees.
Orchard Establishment - Row Middle and Tree Row - Articles Articles
The orchard floor can be divided into two distinct areas: the area between the tree rows (generally planted with a permanent cover crop), and the area directly underneath the trees. More
Orchard Weed Control - Weed Monitoring and Integrated Management
Orchard Weed Control - Weed Monitoring and Integrated Management - Articles Articles
Knowing the weed species present and the extent of the spread can provide you with valuable insight on possible control strategies. More
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
Harrington Seed Destructor
Harrington Seed Destructor - Videos Videos

Harrington Seed Destructor

Annie Klodd

2:44

Penn State is involved in research on Harvest Weed Seed Control for herbicide resistant weeds. Here, the HSD is described as it operates during harvest. More
Herbicide Resistant Pigweed 3: Management in Horticultural Crops
Herbicide Resistant Pigweed 3: Management in Horticultural Crops - Videos Videos
This video covers the best management practices for Palmer Amaranth and waterhemp in horticultural cropping systems. More
Herbicide Resistant Pigweed 4: Management in Organic Systems
Herbicide Resistant Pigweed 4: Management in Organic Systems - Videos Videos
This video covers the best management practices for Palmer Amaranth and waterhemp in organic cropping systems. More
Herbicide Resistant Pigweed 2: Management in Conventional Row Crops
Herbicide Resistant Pigweed 2: Management in Conventional Row Crops - Videos Videos
This video covers the best management practices for Palmer Amaranth and waterhemp in conventional row crops. More
Herbicide Resistance Pigweed 1: Identification
Herbicide Resistance Pigweed 1: Identification - Videos Videos
Key points to ID Palmer Amaranth and waterhemp, and information about their biology that is important for effective management. More
Herbicide Resistance Pigweed 5: Prevention and Disposal
Herbicide Resistance Pigweed 5: Prevention and Disposal - Videos Videos
How to best prevent the entry of herbicide resistant Palmer Amaranth and waterhemp to new fields, and how to properly dispose of plants so that they do not cause larger infestations. More
Ideas On Herbicide Resistance Shared At Regional Meeting Ideas On Herbicide Resistance Shared At Regional Meeting - News
A productive discussion was had in Lancaster on the challenges, successes, and needs going forward for managing herbicide resistant weeds in the mid-Atlantic. 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
Invasive Pigweeds: Palmer Amaranth and Waterhemp
Invasive Pigweeds: Palmer Amaranth and Waterhemp - Articles Articles

Invasive Pigweeds: Palmer Amaranth and Waterhemp

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

Palmer amaranth is a species of pigweed that was recently introduced into PA and has been positively identified on more than 30 sites across the state. 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