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Simple but effective... Tank mixes are recommended to control canola volunteers and glyphosate-resistant kochia, and to protect the long-term viability of glyphosate…
Plan to tank mix glyphosate for pre-seed burnoff
March 11, 2020
Weeds
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Fall weeds: Snow and frost and timing
October 2, 2019
The snow layer is likely to insulate the weed leaf material from the colder conditions that follow it. That could mean you’re back spraying earlier than you would be with frost alone…
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Do you need to spray germinating volunteers?
September 18, 2019
The general advice is to leave them. As annuals, frost and winter will kill off most of them, and any money spent trying to control these volunteers would be wasted. Possible exceptions that may change your approach…
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Prevent weed patches from setting seed
September 5, 2019
These weed patch cut-arounds are easy to do when straight combining. The key is to destroy those patches with a mower or cultivator before they set seed…
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Best timing for perennial weeds: Pre-harvest or post-harvest?
August 14, 2019
If you have a canola field with a lot of perennial weed escapes, especially Canada thistle, are you better to spray them pre-harvest or post-harvest for maximum efficacy? There are benefits to both options…
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New glyphosate-resistant weeds moving north
August 8, 2019
Tall waterhemp is confirmed in eastern Manitoba. Palmer amaranth is in North Dakota and moving north toward Manitoba and Saskatchewan. Both are big aggressive weeds with populations resistant to many herbicides, including glyphosate. If you find them, destroy them immediately…
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Test kochia escapes for glyphosate resistance
July 31, 2019
Farmers will want to test escapes for glyphosate resistance so the weeds can be targeted for intense management before they start to shed their seeds…
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A case for combine weed-seed destroyers
July 17, 2019
Breanne Tidemann, research scientist with Agriculture and Agri-Food Canada, has been researching combine weed seed destructors. They’re not perfect because some weed seeds will shed their seed before harvest and some weed seeds, like thistles, are too light and fluffy, but no IWM practice is perfect. When farmers employ a few of these imperfect tools, they can start to get…
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Reader question: Late weed applications on stagey canola
June 27, 2019
I have a field that is fairly dirty with kochia, cleavers and lamb’s-quarters. Half of the field is in 6-leaf and half is staring to bud. How much yield will I lose by spraying 0.5l of glyphosate on it?…