Canola Watch – September 8, 2016

September 28, 2016

TOP 10: PLANNING FOR NEXT SEASON

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In preparation for next season, here are a few field and office jobs and WHEN to start them.

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TOUGH CANOLA CAN HEAT QUICKLY

We heard a report this week of tough canola starting to heat after just two days in the bin. This is a good reminder to put canola on aeration right after harvest, especially if it’s tough or hot or both. Waiting a couple weeks until all the combining is done may be too late.

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WHEN TO SPRAY WEEDS IN THE FALL?

Fall is a good time to control perennial and winter annual weeds, but spraying immediately after harvest may not provide the best results. Perennial weeds cut off at harvest need time to accumulate new leaf tissue to absorb herbicides. Four weeks is a minimum recommendation and six weeks is ideal.

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FALL WEED CONTROL: PRE-CANOLA OPTIONS

Canola is sensitive to carryover from many herbicides. Here’s the list of products that could be used this fall on fields planned for canola next spring, but read the notes carefully.

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POST-HARVEST SCOUTING FOR VERTICILLIUM AND OTHER DISEASES

Verticillium on canola stems. Credit: Justine Cornelsen

Disease scouting long after swathing is not usually the most accurate, as saprophytic organisms — those that feed on and break down dead material — move in fast and cloud the identification process. Verticillium is one disease that can be more obvious and easier to identify after cutting a canola crop.

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WHAT TO DO WITH WIND-BLOWN SWATHS

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Step 1: Contact crop insurance
Step 2: Combine once the crop is cured
Step 3: Thanks about volunteer management
Step 4: Consider how this may be prevented

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TIPS TO PREVENT AND MANAGE SOIL COMPACTION

Manitoba Agriculture soil fertility specialist John Heard shows how compaction affects yield in dry and wet soils. Click image to enlarge.

At the Soil Compaction Workshop at Agriculture and Agri-Food Canada’s centre in Portage la Prairie, Man., attendees learned…

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CANOLA PERFORMANCE TRIALS: 2016

A great place to look for unbiased variety data that reflect actual production practices is the Canola Performance Trials website at .

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THE RIGHT TIME FOR FALL SOIL TESTING

For results to be as close as possible to the situation next spring, the ideal time to take fall samples is when soil temperatures drop below 10°C and as close to freeze-up as possible.

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TIMING AND DEPTH FOR FALL FERTILIZER

Fall fertilizer is best applied as close to freeze up as possible to balance two objectives: (1) allow soil to seal over the band and (2) reduce losses due to high microbial activity in warm soils.

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COMING EVENTS

Western Forum on Pest Management, October 19-21, Saskatoon, Sask.
Canola Discovery Forum, October 25-27, Winnipeg, Man.
Saskatchewan Oilseed Producer Meetings, November 14-18 at five locations
Canola Industry Meeting & Canola Innovation Day, November 30-December 1, Saskatoon, Sask.
CCC Convention, March 7-9, Winnipeg, Man.

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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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