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Agronomy Division 01/20/21 12:49:27 PM
Welcome to the Adell Cooperative Agronomy Department! Servicing Farmers in Eastern Wisconsin for Over 100 Years!
 

Waterhemp A soybean field sprayed too late to for sufficient weed control. The giant ragweed took a hit, but not the waterhemp
Not to be confused with industrial hemp, waterhemp is a serious issue in Eastern Wisconsin, and the State overall. Our biggest challenge specifically is Round Up resistant waterhemp, which has been identified throughout our area.
Diacous, adaptive, resiliant. Waterhemp is as much fascinating in its abilities as it is problematic, capable of producing hundreds of thousands of seeds per plant. This weed also makes multiple flushes throughout the year (dependant on seed depth), and has many documented sub species with slight altercations in appearance. Highly concerning, it has also shown resistance to several other herbicides on the market. Dicamba, Liberty Link, Cobra, and even 2,4-d have become ineffective in specific parts of the corn belt, providing serious concerns going forward.Dr. Kevin Bradley, Plant Scientist, University of Missouri, has been focused on pigweed resistance since the early 2000's. “Overlapping” or “layered residual programs” worked best to kill waterhemp in research conducted at the University of Missouri Bradford Research Farm, Bradley says. Other research, like that done by Dr. Rodrigo Werle, UW-Madison Extension Weed Scientist, showed similar results in Lancaster, WI, last year.If you havn't talked to us yet about options to control waterhemp we highly encourage you to do so. It is too important to not have a plan in place for this weed. Don't wait until the last minute when it is too late for control!
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Agronomy Department Staff
Agronomists Mike Mulder CCA, (ext. 120) Roger Luckey (ext. 114) Joe Wimmler (ext. 115) Michael Diehl (ext. 122)
Administration Michelle Wiersema (ext. 118)
Shop/Trucking/Applicators Eric Eernisse (ext. 113 grain shed) Dennis Knippenberg Fred Snorek Jason Allen Nick Jens Pat Yurmanovich Tim Walber Alex Navis Channing Kraemer
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