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Canola Watch provides timely answers to top canola agronomy questions on diseases, insects, weeds and so much more.
Featured image for “Pre-harvest products for use in canola”
August 1, 2018

Pre-harvest products for use in canola

What is the goal with a pre-harvest application? If weed control is the goal, assess the weed situation before spraying. If desiccation (crop and
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Featured image for “Thin stands and straight combining”
August 1, 2018

Thin stands and straight combining

Uniform well-knit canola crops are the best for straight combining, but what about thin and/or multi-stage canola? Both options have risks…
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August 1, 2018

Find a product’s pre-harvest interval at spraytoswath.ca

Every crop protection product has its own pre-harvest interval (PHI) — which is the time required between spraying and cutting the crop. PHI is
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Featured image for “Lygus: Scouting, thresholds and timing”
August 1, 2018

Lygus: Scouting, thresholds and timing

Scout lygus at late flowering and podding stages using a standard insect net of 38 cm (15″) diameter. Take ten 180° sweeps, and aim
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August 1, 2018

Late-season flea beetles

Flea beetles feeding on canola leaves and pods are unlikely to cause an economic loss. Numbers have to be very high – perhaps 100
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August 1, 2018

Reminder: Compile notes

In the weeks leading up to harvest, growers may have some times to review their notes, or finalize their notes, on the season so
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August 1, 2018

Our most-clicked articles over the past week

Manitoba: Three insects to look for on canola pods Saskatchewan: Three insects to look for on canola pods Alberta: Map of the Week –
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Featured image for “Three insects to look for on canola pods”
July 26, 2018

Three insects to look for on canola pods

The three most common pod munchers are bertha armyworm, diamondback moth larvae and lygus bugs. Hot spots can sometimes be isolated to specific fields,
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Featured image for “Canola Watch quiz – Insect thresholds”
July 26, 2018

Canola Watch quiz – Insect thresholds

Scout for bertha armyworm, lygus bugs and diamondback moth larvae on pods, but only spray if insects counts are at or above economic thresholds.
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Featured image for “Map of the Week – Days over 30°C”
July 26, 2018

Map of the Week – Days over 30°C

I has been a hot growing season so far, as shown on this map. Hot days will be a major reason for missing pods
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Featured image for “WEBINAR: How to use our new Combine Optimization Tool”
July 26, 2018

WEBINAR: How to use our new Combine Optimization Tool

The combine optimization tool at www.canolacalculator.ca will help farmers set the combine to keep losses as low as possible while finding a balance with
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Featured image for “Clubroot watch begins”
July 26, 2018

Clubroot watch begins

Take a look at the roots of plants that are showing unusual amounts of heat and moisture stress. These plants may be facing premature
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