Thursday, September 18, 2014

How Did those Preemergence Herbicides Perform?

Lisa M. Behnken
Extension Educator, Crops
University of Minnesota Extension, Rochester

Lisa - 507-280-2867
Fritz - 507-280-2870

For many years now, Fritz Breitenbach and I have conducted corn and soybean weed management trials at our Rochester field location. We have a healthy population of giant ragweed, common lambsquarters and common waterhemp to evaluate in these trials - the three most common weed concerns of southern Minnesota farmers.

Do your soybean fields look like this?
In early July, we hold a tour to show folks the plots and talk about weed management systems - how can we do a better job. I mention this because we also encourage and welcome visitors to view these plots throughout the growing season..Seeing is Believing.

In the past few weeks, several groups have come to view these plots again -  yes, there is still something to see. The big interest, " How did those preemergence herbicides perform on giant ragweed and waterhemp?" Also, "What looks good, where are the weaknesses, are there new options and how did they perform, what other weed management options - non-chemical - do we need to consider, and finally how can we get the message across to folks?" Again, Seeing is Believing. Come and take a look.

Or, do they look like this?
There is still time to see how many of the herbicides performed. You are still invited and welcome to stop by and see the field trials at Rochester.  Please give Fritz or me a call and we will show you around the plots, share highlights and data from early ratings and discuss other options such as - What non-chemical options are you going to add to your weed management program next year?

Read more about Weed Issues - 'Got Weeds?  Evaluate Your Weed Control Program ' has been published to Minnesota Crop News.  http://blog.lib.umn.edu/efans/cropnews/2014/09/got-weeds-evaluate-your-weed-c.html



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