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Horseweed, Resistance, and Wind |
Wisconsin Crop Manager
Weeds
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By WCM Staff on
4/25/2007 1:14 PM
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Horseweed (or marestail) is the most widely distributed glyphosate-resistant weed in the U.S. After the initial confirmation in Delaware in 2001, glyphosate-resistant (GR) horseweed has been reported 15 states, including Illinois to our south and Nebraska to our southwest. The potential for horseweed seed to move from one farm to another or even from one county to another is an interesting question.
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Winter Wheat Herbicide Timing |
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Wisconsin Crop Manager
Weeds
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By WCM Staff on
4/19/2007 1:58 PM
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Winter wheat might be smaller than normal at this time of the year, which means the wheat might be more susceptible to weed competition. The two herbicides that generally have the greatest risk of injuring winter wheat are 2,4-D and dicamba...
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The Weedometer is Updated! |
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Wisconsin Crop Manager
Weeds
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By WCM Staff on
4/19/2007 12:40 PM
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This tool used data collected from the weed garden at Arlington to develop easy to read graphs that show the range of first emergence, the typical first emergence, and range of flowering times of 69 common weed species found in Wisconsin.
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Impromptu No-till Not Recommended |
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Wisconsin Crop Manager
Weeds
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By WCM Staff on
4/11/2007 12:49 PM
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In impromptu no-till fields, growers are unprepared for effective weed management. Effective weed management in no-till includes 1) managing winter annuals (mustards, horseweed, prickly lettuce, etc.) and perennials like dandelions before planting; 2) burning down early emerging summer annuals like giant ragweed, foxtails, and lambsquarters; and 3) managing early season weed competition.
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Poast Plus on Sweet Corn |
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Wisconsin Crop Manager
Weeds
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By WCM Staff on
4/4/2007 2:51 PM
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The Poast label from MicroFlo and the Poast Plus label from BASF are the two labels that include use directions for sethoxydim-resistant sweet corn hybrids. The addition of sethoxydim-resistant sweet corn is new on the BASF Poast Plus label for this year.
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2007 UW Pest Management Field Day Cancelled |
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Wisconsin Crop Manager
What's new
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By WCM Staff on
4/4/2007 11:40 AM
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Despite our limited atrazine use, we learned this year that atrazine and atrazine metabolites have continued to be detected in a nearby private well. Because several standard herbicide programs use atrazine and serve as benchmarks for the corn herbicide demonstration plots, we will not establish these plots this year.
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Print issue files for 2007
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Crop Manager Vegetable Update
Clicking on these links will access the Wisconsin Crop Manager PDF files for 2008.
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Clicking on these links will access the Wisconsin Vegetable Crop Update PDF files for 2007.
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