Canola Watch – May 18, 2016

May 18, 2016

FROST: CANOLA’S RESILIENCE MAY SURPRISE YOU

May seeded plots show evidence of frost damage but the surviving plant population is still very good.

Canola seedlings at the site in Lacombe, Alberta, were hit by three -4°C frosts and one -3°C frost over a five-night period May 10-14. Yet photos taken the morning of May 16 show that a decent number of seedlings survived.

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SCOUTING: THE CRITICAL FIRST 21 DAYS

The seedling on the left has wirestem.

The week after seeding is a good time to verify seeding depth and to check seeds and seedlings for rots and blights. Disease damaged seed and seedlings die quickly, and may be gone within a few days, which is why this timing is important to an accurate diagnosis.

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8 STEPS TO MAKE THE RIGHT FLEA BEETLE DECISION

Fleabeetle_underleaf_BrunoSK_May272015_AmandaWuchner small

Here is how to make the flea beetle spray decision….

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WEEDS GROWING STRONG AGAIN

Pre-seed burnoff gets weeds that will provide early competition to your crop. Credit: Ian Epp

Growers will be eager to seed with the return of warm weather but early weed control also remains a priority — especially for fields that have not received any yet. Spraying those fields now and seeding three days later will have an economic benefit given that weed competition remains a major factor in crop yield potential.

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SEEDING DATE AND YIELD — GRAPHS

Alberta data showing relationship between seeding date and canola yield in the Black Soil Zone. Source site: http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/crop5758

Seeding early May versus late May or early June, providing that crop conditions allow for it, is a relatively low cost way to increase yield and profit from the crop.

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RESEEDING: THE MAY OPTION

Yield potential for canola seeded in late May is not as high, generally, as canola seeded in early May, but it is still pretty good and better than for canola seeded in June. Given the current date, the argument in favour of reseeding a crop clearly thinned out and set back by frost or any other issue may have more merit.

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COMING EVENTS

SaskCanola pancake breakfast — June 17 in Regina
Manitoba canolaPALOOZA — June 21 in Portage
Alberta canolaPALOOZA — June 28 in Lacombe

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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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Upcoming Events

Canola Council webinar: What growers should know about trade with China

Please join us this Thursday for a webinar presentation from Jim Everson, Canola Council president, that will provide information to growers on trade with China and address questions and concerns.
Apr 18

canolaPALOOZA

The agronomy event of the summer!
Jun 26
Lacombe, Alberta

Alberta Combine College

Optimize harvest and boost your farm’s profitability!
Jul 10
Lethbridge, Alberta
SRED Tax Credits Alberta Canola
  • Know Your Grade for Canola

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