Resources

The following articles are categorized as 'Resources'

Ultimate Canola Challenge — Manitoba

The Manitoba UCC site is looking good, except for a few weeds. Plant counts are strong, with the broadcast 5440 plot showing incredibly high survival rates. Read the June 6 update for actual numbers.

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Ultimate Canola Challenge – Alberta

Gophers are the latest threat at the UCC site in Lethbridge. This plant has suffered some feeding damage.

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Canola Diagnostic Tool is live

Give the brand new online Canola Diagnostic Tool a pre-season test drive at www.canoladiagnostictool.ca. Start with a problem scenario that you encountered in a canola field in 2012, and work through the tool to see what potential causes it provides. Read the cause descriptions and “ways to confirm” to determine which cause is most likely.

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Field Diagnostics Checklist

This is a companion file for the Canola Diagnostic Tool. The diagnostic tool asks questions to come up with a short list of potential causes for an observed problem in a canola field. The more questions you answer, the more refined the search. Going through this checklist ahead of time will make answering the questions easier and more accurate.

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Thresholds: Insect management tools

Insect economic thresholds represent the break even point for an insecticide spray. Sticking to thresholds will also help preserve a vibrant and economically valuable population of beneficial insects that can naturally keep pest insect populations in the check. This article provides thresholds for all major canola insect pests.

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Agriculture labs

Here is a list of labs that service canola growers in Canada. Labs are organized under the following headings: Soil nutrient analysis, Plant tissue nutrient analysis, Seed quality tests, Disease diagnostic on plant tissue, Soil analysis for clubroot, Herbicide resistant test for weeds, Herbicide carryover in soil, and Pesticide residue in plant tissue

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Sclerotinia stem rot management

—All areas of the Prairies are at risk. Geography does not provide immunity to this disease.
—Prevalence of sclerotinia stem rot has a direct correlation to above-average moisture. If a field has regular rains or high humidity or both from two weeks before flowering and through flowering, then infection will occur. If these conditions continue after flower, severity of the disease will be high and yield loss will be significant.
—If these conditions are present and canola has yield potential of 30 bu./ac. or greater, then a fungicide application at 20-30% flower is warranted. Fungicide may also pay for yield potential below that level.
—Swath based on the best time for the healthy plants, not the diseased plants.

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The scouting toolkit

Handy tools for your scouting toolkit: smart phone, seed depth finder, trowel, standard sweep net, clippers, containers for insect samples, magnifying glass, metre stick, 2- or 3-sided square, flags, booties and gloves.

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Missing pods can have many causes

Any stress can inhibit proper fertilization of the flowers. Common stresses included heat, drought, excess moisture, insects, herbicide damage, and nutrient deficiency. In many cases the cause may seem obvious, but it is often a good idea to investigate further to ensure there are no other contributing factors.

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Spray right after filling your properly cleaned tank

Canola can be damaged by trace herbicide residues left in a sprayer tank. This article underlines the importance of a complete clean out between products, and an understanding of what risks each product and each tank mix presents in terms of scrubbing effect and what may happen to a product or products if left in the tank for an extended period.

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