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Ernst Undesser

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Minnesota: Palmer Pigweed – Detection, Reporting – Timeliness Is Key

This fall, Palmer amaranth was discovered for the first time in soybean fields in Redwood and Jackson counties. In Redwood County, 1 female and...

Pennsylvania Wheat, Barley: Fall Herbicide Options

Dense populations of winter annual weeds can compete with wheat and barley in late fall and early spring and slow the rate of crop...

Herbicide Resistance in Annual Bluegrass is Epidemic in Turf Management

Annual bluegrass is one of the most common weeds of turfgrass on golf courses, sports fields and sod farms, not to mention residential and...

Nebraska Extension Weed Science School, Mead, Oct. 31

Growers, crop consultants and educators are encouraged to attend the day-long Nebraska Extension Weed Science School Oct. 31 at the University of Nebraska’s Eastern Nebraska...

Fall Weed Control in Florida Pastures

Fall is not generally the right time to control many pasture weeds.  However, some perennial weeds are effectively controlled by fall herbicide applications.  Fall...

Tennessee Wheat: Weed Management Considerations

Weed control in wheat has become more of a struggle in recent years. This is due to several reasons including that more wheat is following corn...

South Dakota: Palmer Amaranth – A Growing Concern

Although Palmer Amaranth can be found in South Dakota, it is currently not wide spread. If South Dakota producers and agronomists are vigilant, it...

Nebraska: Comparing Soybean Competitiveness with Herbicide-Resistant Waterhemp

Research Update Waterhemp (Amaranthus tuberculatus) is a troublesome weed with an ability to rapidly evolve herbicide resistance. It occurs in cropping systems throughout Nebraska and...

Pennsylvania: Biennial, Perennial Weed Control Is Best in Fall

Fall is an excellent time to manage biennial and perennial weeds. In particular, biennials such as common burdock, wild carrot, and bull, musk, and...

South Dakota: Kochia – The Benefits of a Fall Residual Herbicide

Kochia is an issue with row crop production in the north central area of South Dakota. New Post-emergent options in corn and soybean have...