For years growers have been hearing about this super weed, nicknamed Satin, that has been infesting southern and midwestern states for the past 12 years. They’ve heard horror stories about how it can rob yield, become resistant to any herbicide that is thrown at it, or plug up a combine in the blink of an eye. Since 2004, this invasive weed species known as Palmer amaranth, has migrated from its indigenous desert habitat of the southwestern United States all the way to the southeast and is approaching the doorstep of the upper Midwest, including southern Minnesota and the Red River Valley.
A look back at 2016 and ahead to 2017
If there are two words out there that farmers never wish to hear used together, it’s PESTICIDE RESISTANCE. Unfortunately, growers had to face this issue head on with Cercospora Leaf Spot (CLS) in some portions of the upper Midwest during the 2016 growing season. The fungal pathogen Cercospora beticola, which causes CLS, is now confirmed resistant to a widely used fungicide.
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Editor & General Manager of The Sugarbeet Grower