Canola Watch – September 27, 2017

September 27, 2017

SEED: WHAT TRAITS DO YOU NEED?

When choosing canola hybrids for 2018, think through the yield, quality and profit achieved over the past few years and consider what factors may have reduced overall profitability. Add notes on harvestability. Then consider how seed traits could help manage any existing and potential challenges, reduce risk and improve profitability. The grower with the field above perhaps should put a priority on lodging resistance.

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BIOSECURITY AND CLUBROOT: HOW IT SPREADS

Here are the main ways that clubroot spreads, in order from most to least spores:

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EARLY FALL SOIL TESTS AND FERTILIZER APPLICATIONS

Some growers are already doing soil tests and making fall fertilizer applications. While this may not be the of fertilizer applications (closer to freeze up is better), this timing may satisfy a number of other issues, including custom soil-sampler availability, wanting test results before fall application, and checking to see if current soil nutrient levels could explain lower- or higher-than-expected yields this year.

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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 target leaf area, but later dates increase the risk of losing healthy . Without healthy leaf tissue, the herbicide can’t get translocation to the weed’s crown and storage roots where the killing can occur.

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BLACKLEG SCOUTING IN THE FALL

If you missed the swath-timing window to check canola stems for blackleg, you still have lots of time to look for blackleg pseudothecia on old canola stem pieces in fields that will go into canola next year. This can help with seed decisions.

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SEEDS READY BUT STILL GREEN

This time of year, seed in standing canola can sit for a long time at firm-to-roll stages (which are basically mature) without turning colour, especially if moisture is adequate and temperatures are cool, slowing the dry down process.

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SLOW HARVEST AND STORAGE RISK

When harvest is slowed by rainy, cool days, combining often occurs in short spurts. In those spurts, the first and last loads of the day are often tough. This can mean an increased storage risk. Condition these bins with aeration to even out moisture and temperature. Consider filling bins to only two-thirds capacity to allow for improved air flow.

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CGC HARVEST SAMPLE PROGRAM PROVIDES QUALITY REPORT

The Canadian Grain Commission’s Harvest Sample Program is a voluntary program for Canadian grain producers. If you sign up, you will receive a Harvest Sample kit annually that contains envelopes for sending in samples of your crop. In exchange for your samples, the Canadian Grain Commission (CGC) gives the following results for free: -dockage assessment […]

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BORON AND OTHER MICRONUTRIENTS: ECONOMIC RESULTS ARE RARE

When well-designed research studies are done for micronutrients in canola, results show little if any economic benefit.

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CANOLADIGEST.CA LAUNCHES

Canola Digest magazine now has its own website – – with articles posted as stand-alone items for quick and easy reading, linking, sharing and searching.

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POWERING YOUR PROFITS TOUR OF ALBERTA

Get the agronomy, marketing, and management information you need to boost your bottom line at one of Alberta Canola’s 12 events across the province in November.

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Canola Watch is a free, unbiased, timely and research focused weekly newsletter from the Canola Council of Canada Crop Production Team

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