Weeds

Canola Watch provides timely answers to top canola agronomy questions on diseases, insects, weeds and so much more.
Featured image for “Top 10 weed spraying topics”
May 24, 2018

Top 10 weed spraying topics

We dug into our vast vault of Canola Watch articles to put together this Top 10 list.
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May 16, 2018

Tips for spraying weeds in dusty conditions

Dusty conditions are common in spraying, and in dry springs they are often associated with a further challenge – drought-stressed plants. There is no
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May 16, 2018

Tips for spraying in the wind

How do you spray weeds in a timely fashion when every day seems too windy? Too windy, according to the Guide to Crop Protection,
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May 9, 2018

Map of the Week – Herbicide carryover risk

The map shows herbicide carryover risk in Saskatchewan based on summer 2017 precipitation. In-season moisture from last season is the measure that influences herbicide
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May 9, 2018

Weed competition is costly

Weeds that emerge before the crop can be highly damaging to crop yield potential because they out-compete the crop for moisture, nutrients and sunlight.
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May 2, 2018

Weed considerations for early May

For best results, spray winter annuals when they’re small. They’ll be growing fast this week.
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Featured image for “Maps: The moisture situation (with herbicide carryover theme)”
March 2, 2018

Maps: The moisture situation (with herbicide carryover theme)

We haven’t lost a crop in March, but growers across large parts of Western Canada are concerned about the soil moisture situation. This may
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Featured image for “Moving soil, moving clubroot: Machinery reminder”
February 7, 2018

Moving soil, moving clubroot: Machinery reminder

Going to an auction sale this spring? Before bringing home a new machine, check that it’s clean outside and in. Soil on used drills,
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Featured image for “Why add a tank mix to pre-seed glyphosate?”
February 7, 2018

Why add a tank mix to pre-seed glyphosate?

Of all the glyphosate applied in the pre-seed window in Western Canada in 2017, 73% was applied alone. Only 27% was tank mixed. That’s
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Featured image for “Fall herbicide: Frost, volunteer canola, cleavers and more”
October 4, 2017

Fall herbicide: Frost, volunteer canola, cleavers and more

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Featured image for “Weeds: Late September, early October for perennials”
September 27, 2017

Weeds: Late September, early October for perennials

Perennials such as thistles and dandelions are best controlled from mid-September to early October. Waiting at least a month after cutting will increase the
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September 20, 2017

What is the best time for fall weed control?

Fall is a good time to control perennial and winter annual weeds, but spraying immediately after harvest may not provide the best results.
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