Tag Archives: control

Canada fleabane control in winter wheat

April 16, 2013 • Written by Mike Cowbrough
Canada fleabane size on May 24th, 2011. This is beyond the ideal stage to effectively manage with either herbicides or tillage.
With an increase in the number of confirmed populations of glyphosate resistant Canada fleabane in Ontario, many are looking for ways to control these populations and to eliminate any seed production. Management options in soybeans have been discussed in an earlier post, but with weed control in cer... Continue reading →
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Potato Leafhoppers in Alfalfa – Looking to 2013

November 21, 2012 • Written by Gilles Quesnel
Potato Leafhoppers in Alfalfa - Looking to 2013
Last summer, potato leafhopper (PLH) certainly lived up to its reputation as the most damaging alfalfa insect pest in Ontario.  In many parts of the province, PLH feeding resulted in yield loses of over 1 tonne of alfalfa per acre or roughly a loss of $200/acre.  While PLH damage was far great... Continue reading →
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Fall Control of a Red Clover Cover Crop

September 27, 2012 • Written by Mike Cowbrough
Fall Control of a Red Clover Cover Crop
A beautiful stand of  red clover can provide as much as 75 kg of nitrogen per hectare (when at 40 cm tall) for next years corn crop. However, if the clover crop is not "killed off"  in the fall, then preparing a suitable seedbed to plant next years crop in is often significantly delayed resulting ... Continue reading →
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Armyworm are Marching

June 1, 2012 • Written by Tom Cowan
Armyworm are Marching
They’re here early this year! We’ve been hearing reports of true armyworm numbers getting fairly high in some wheat fields and even above threshold in some cases. I think it’s a good time to post a refresher on armyworm management. In Cereals Armyworms typically feeding in the lower leaves... Continue reading →
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Importance of Managing Perennial Weeds in the Fall: Quackgrass

October 5, 2011 • Written by Mike Cowbrough
Importance of Managing Perennial Weeds in the Fall: Quackgrass
We in the weed science business are pretty good at telling producer's to manage perennial weeds in the fall because they are controlled much better.  Although its nice to believe without question, quantitative proof is always better. I recently came across a University of Guelph research report fro... Continue reading →
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