Articles
Articles
Articles 2017 Penn State Agronomy Herbicide Trial Report
William S. Curran, Ph.D.
This weed field trials report is a summary of the 2017 herbicide trials conducted in corn soybean, and other field crops by the Department of Plant Science at Penn State. More
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
Articles Marestail (Horseweed) Management
Dwight Lingenfelter, Annie Klodd, William S. Curran, Ph.D.
Effective management of marestail (horseweed) involves a combination of herbicide, mechanical, and cultural tactics. More
Articles Cover Crop Interseeder: Potential for Injury from Corn Herbicides
William S. Curran, Ph.D.
Recent trials show that several shorter-lived residual corn herbicides can be used successfully with interseeded cover crops. More
Articles Cover Crop Interseeder: Impacts on Corn Yield
Gregory W. Roth, Ph.D., William S. Curran, Ph.D.
There is some concern about the impact of the cover crop on the corn. In most cases, though, we have observed that the corn is very competitive with the cover crop. More
Articles Cover Crop Interseeder: Improving the Success in Corn
Gregory W. Roth, Ph.D., William S. Curran, Ph.D.
Interseeding cover crops in corn is a promising management practice that could improve the adoption of cover crops where they have not been feasible before. More
Articles Management of Triazine-Resistant Pigweed and Lambsquarters
William S. Curran, Ph.D.
Since the discovery of triazine resistance in the United States occurred in the late 1960s, more than 50 species of weeds have developed weed resistance problems. More
Articles Johnsongrass and Shattercane Control: An Integrated Approach
Dwight Lingenfelter, William S. Curran, Ph.D.
Johnsongrass and shattercane are closely related grass weeds that are troublesome and persistent in row crops, where they reduce yield and quality. More
Articles Controlling Yellow Nutsedge in Agronomic Crops (An Integrated Approach)
Dwight Lingenfelter, William S. Curran, Ph.D.
Yellow nutsedge (Cyperus esculentus L.) is an aggressive perennial plant that is a problem weed in field crops throughout the United States. More
Articles Wirestem Muhly Management in Agronomic Crops
Dwight Lingenfelter, William S. Curran, Ph.D.
Wirestem muhly (Muhlenbergia frondosa) is a perennial grass species that can be problematic in conservation tillage production systems throughout Pennsylvania and the Northeast. More
Articles 2016 Penn State Agronomy Herbicide Trial Report
William S. Curran, Ph.D.
This weed field trials report is a summary of the 2016 herbicide trials conducted in corn soybean, and other field crops by the Department of Plant Science at Penn State. More
Articles 2015 Penn State Agronomy Herbicide Trial Report
William S. Curran, Ph.D.
This weed field trials report is a summary of the 2015 herbicide trials conducted in corn soybean, and other field crops by the Department of Plant Science at Penn State. More
Articles Quackgrass Management: An Integrated Approach
Dwight Lingenfelter, William S. Curran, Ph.D.
Quackgrass is a widespread, persistent, cool-season, grassy weed found in Pennsylvania row and forage crops. This competitive perennial grass can reduce crop yields up to 95 percent. More
Articles Watch Out for 2,4-D Drift Injury to Off-Target Crops
Dwight Lingenfelter, Annie Klodd, William S. Curran, Ph.D.
We have heard about claims of 2,4-D injury to commercial grapevines in Pennsylvania, potentially stemming from applications in nearby field crops. More
Articles Cover Crop Interseeder and Applicator
Gregory W. Roth, Ph.D., Sjoerd Willem Duiker, Ph.D., CCA, William S. Curran, Ph.D.
The Penn State Cover Crop Interseeder and Applicator was designed to help establish cover crops in areas where cover crop establishment is not that feasible because of a late harvest and short season. More
Articles How Late Can I Control Weeds in the Fall?
Dwight Lingenfelter, William S. Curran, Ph.D.
How late can an herbicide application be made in the fall and still be effective? We provide comments about controlling perennials and winter annual weeds. More
Articles Suppressing Weeds Using Cover Crops in Pennsylvania
William S. Curran, Ph.D.
This article discusses which cover crops are most suitable, and how should they be managed to enhance weed suppression. More
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
Articles Orchardgrass Burndown and Forage Weeds
Dwight Lingenfelter, William S. Curran, Ph.D.
Spring termination of a sod such as orchardgrass can have mixed results, follow these steps for successful sod burndown. More
Articles Weed Management in Organic Cropping Systems
William S. Curran, Ph.D.
When managing weeds in organic systems, producers use many of the same techniques used in conventional systems, but they rely much more on nonchemical control strategies. More
Articles Managing Weeds in CREP Grasslands
Dwight Lingenfelter, William S. Curran, Ph.D.
It's time to think about managing those weedy plants in CREP before they set seed. More
Articles Weed Management in CREP Grasslands
Dwight Lingenfelter, William S. Curran, Ph.D.
This publication will discuss weed management options for Conservation Reserve Enhancement Program (CREP) grassland acres enrolled in Conservation Practices CP1, CP2, and CP10. More
Articles Persistence of Herbicides in Soil
William S. Curran, Ph.D.
While it is desirable for the chemicals to control weeds during the season of application, it is not desirable for them to persist and affect subsequent crop growth. More
Articles Special Cover Crop Control Considerations
Dwight Lingenfelter, William S. Curran, Ph.D.
Most cover crops are fairly easy to control in a burndown program as long as you pay attention to detail. More
Articles Six of One, Half Dozen of the Other: the Future of Weed Management?
Clair Keene, William S. Curran, Ph.D.
Whether you grow cotton in the Delta of Mississippi, soybean in IN, or corn in PA, chances are good that there are herbicide resistant weeds near or on your farm. More