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2017 Penn State Agronomy Herbicide Trial Report
2017 Penn State Agronomy Herbicide Trial Report - Articles Articles
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
Palmer Noxious Weed by PSU
Noxious Weed Act Signed Into Law on October 30, 2017 - Articles Articles
The new Pennsylvania Controlled Plant and Noxious Weed Act will help protect your farm or property from some newer invasive noxious weeds. More
Mature marestail plant in Rock Springs, PA
Marestail (Horseweed) Management - Articles Articles
Effective management of marestail (horseweed) involves a combination of herbicide, mechanical, and cultural tactics. More
Cover Crop Interseeder: Potential for Injury from Corn Herbicides
Cover Crop Interseeder: Potential for Injury from Corn Herbicides - Articles Articles
Recent trials show that several shorter-lived residual corn herbicides can be used successfully with interseeded cover crops. More
Interseeded clover during midsummer under the corn canopy
Cover Crop Interseeder: Impacts on Corn Yield - Articles Articles
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
Planting corn in an interseeded corn stubble field.
Cover Crop Interseeder: Improving the Success in Corn - Articles Articles
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
Lambsquarters (Chenopodium album)
Management of Triazine-Resistant Pigweed and Lambsquarters - Articles Articles
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
Johnsongrass (Sorghum halepense)
Johnsongrass and Shattercane Control: An Integrated Approach - Articles Articles
Johnsongrass and shattercane are closely related grass weeds that are troublesome and persistent in row crops, where they reduce yield and quality. More
Controlling Yellow Nutsedge in Agronomic Crops (An Integrated Approach)
Controlling Yellow Nutsedge in Agronomic Crops (An Integrated Approach) - Articles Articles
Yellow nutsedge (Cyperus esculentus L.) is an aggressive perennial plant that is a problem weed in field crops throughout the United States. More
Wirestem Muhly Management in Agronomic Crops
Wirestem Muhly Management in Agronomic Crops - Articles Articles
Wirestem muhly (Muhlenbergia frondosa) is a perennial grass species that can be problematic in conservation tillage production systems throughout Pennsylvania and the Northeast. More
Waterhemp in soybeans
2016 Penn State Agronomy Herbicide Trial Report - Articles Articles
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
Horseweed in soybean
2015 Penn State Agronomy Herbicide Trial Report - Articles Articles
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
Quackgrass Management: An Integrated Approach
Quackgrass Management: An Integrated Approach - Articles Articles
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
Photo of horseweed taken in early November. Curran, Penn State
How Late Can I Control Weeds in the Fall? - Articles Articles
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
Watch Out for 2,4-D Drift Injury to Off-Target Crops
Watch Out for 2,4-D Drift Injury to Off-Target Crops - Articles Articles
We have heard about claims of 2,4-D injury to commercial grapevines in Pennsylvania, potentially stemming from applications in nearby field crops. More
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