By WCM Staff on 4/29/2009 12:00 PM

Ten years ago, very few people outside of academia were concerned about the number of growing degree units (GDU) required for soybean emergence. Today however, things are dramatically different. 

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By WCM Staff on 4/29/2009 11:46 AM

Purple deadnettle is not a common weed for Wisconsin, but it might be one weed to be familiar with. These pictures were sent from Iowa County, where it was not controlled well with glyphosate in the past. 

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By WCM Staff on 4/29/2009 11:34 AM

Research conducted in 2008 evaluated the effectiveness of various herbicide treatments and compared them to disked and untreated areas.A brief description of the experiments and initial results are summarized...

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By WCM Staff on 4/29/2009 11:23 AM

Many of the same herbicides used in the fall are also effective in the spring and are listed in table 1 along with rate ranges and plant-back restrictions for field corn.

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By WCM Staff on 4/23/2009 4:16 PM

New articles have been posted on the Wisconsin Crop Manager website http://ipcm.wisc.edu/wcm

Click to open the WCM compiled issue for April 23, 2009  >>> WCM 16-8

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By WCM Staff on 4/23/2009 2:33 PM

In this video Dr. Dan Undersander, UWEX forage agronomist, visits an alfalfa field and demonstrates steps you can take to answer this question. Is this stand good enough to keep?  >>>http://www.youtube.com/watch?v=jujW3-FE4zE

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By WCM Staff on 4/23/2009 8:52 AM

Several recent news releases on this issue, and the resulting flurry of emails, are asking whether pesticide applicators will need a National Pollutant Discharge Elimination System (NPDES) permit under the Clean Water Act (CWA)? From final rules, through court appeals, and a reinterpretation of the findings are now saying: Yes, but not yet.

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By WCM Staff on 4/23/2009 8:48 AM

The annual UW Pest Management Field Day will be held on Thursday, July 9 at the Arlington Agricultural Research Station.

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By WCM Staff on 4/23/2009 8:44 AM

This is a concern in certain regions of Wisconsin because grape vineyards are either an established or expanding crop. The potential sources of 2,4-D can be from 2,4-D used in burndown applications to field crops, 2,4-D applications to pastures, or even 2,4-D applications to lawns.

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By WCM Staff on 4/23/2009 8:38 AM

Syngenta has registered Flexstar GT for postemergence weed control in Roundup Ready soybeans. Flexstar GT is a premix of the ingredient in Flexstar (fomesafen) and glyphosate.

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By WCM Staff on 4/23/2009 8:08 AM

A new publication from Shawn Conley and John Gaska titled, Factors to Consider When Lowering Soybean Seeding Rates in 2009, can be found at this link.    http://soybean.uwex.edu/documents/Factors_to_Consider.pdf

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By WCM Staff on 4/16/2009 2:20 PM

Use this link to download or print this weeks articles, compiled in one

Click to open the WCM issue for April 16, 2009  >>> WCM 16-7

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By WCM Staff on 4/16/2009 12:04 PM

The following diseases/disorders have been identified at the PDDC since January 1, 2009:

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By WCM Staff on 4/16/2009 11:48 AM

Producers are concerned that compaction from heavy equipment will negatively affect soil quality factors such as bulk density, porosity, aggregation, and drainage; causing yield reduction that may persist for several years.

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