Waterhemp has developed resistance to 7 herbicide sites-of-action classes, nearly exhausting the chemical tools farmers can use to defend their livelihood.
While herbicides remain a primary tactic to manage many weed species, farmers can implement several best management practices to slow resistance development and better control weeds like waterhemp.
For the past two years, we have been participating in a multi-regional U.S. Soybean Board funded experiment that is investigating the effects of planting green on no-till soybean production and management of multiple-resistant waterhemp populations.
Localized populations of these species found on headlands or field margins likely represent a new introduction. Populations that are distributed throughout fields are likely a sign that these species have gone undetected for more than one year.
What are some tactics you can employ around harvest time to help prevent weeds from replenishing the weed seed bank and giving you more headaches for years to come?
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On this episode of Conservation Ag Update, brought to you by Martin-Till, Westville, Ind., no-tiller Jeff Herrold provides an update on how planting is going so far, and why a potential problem with slugs is causing some early-season anxiety. Herrold also explains why he prefers to plant soybeans before corn.
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