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Alberta Canola Producers Commission

Striving to Increase the Long-Term Profitability of Alberta's Canola Producers

#170 14315 118 Avenue
Edmonton, AB T5L 4S6
Phone: 780-454-0844
Fax: 780-451-6933

For Immediate Release

What is "distinctly green"?

October 20, 2014

Rules for “distinctly green” and other grading factors

Growers with canola downgraded for green and other factors may benefit from knowing the grading rules. 

  • No.1 canola may contain up to 2% distinctly green seeds and a maximum of 5% damaged seed (including green). 
  • The allowable limit for No.2 is 6% distinctly green and 12% total damaged seed.
  • The allowable limit for No.3 is 20% distinctly green and 25% total damaged seed. 
  • Anything above that is sample.

The Canadian Grain Commission’s Official Grain Grading Guide, which you can read online, says damaged seed includes canola seeds that are: Distinctly shrunken or shriveled; badly discoloured from mould; completely and densely covered with rime; excessively weathered, sprouted, tan coloured, distinctly green, heated, insect damaged or otherwise damaged.

Not all green is “distinctly” green

The Grain Grading Guide says “distinctly green tolerances are applied to crushed seeds which are a distinct green throughout.”

Borderline light green or greenish yellow seeds are not distinctly green and are not included in the green total, says Murray Hanson, CGC operation supervisor for Manitoba.

These pale green or immature seeds are taken into account in the evaluation of colour. (Read the colour section in the Grain Grading Guide.)

Growers with concerns about the canola grade they have received can get a second opinion by sending a representative sample to the CGC for grading. The CGC will provide this service for free until December 1. Click here for details. And for canola that is downgraded check out the discount schedules with a variety of buyers. Different delivery points may have different discounts for lower grades depending on the specific downgrading factors and their costs for additional handling, blending or processing to meet their customers’ tolerances.

For more information, contact a Canola Council of Canada agronomy specialist in your region:

Doug Moisey, Central Alberta, 780-645-9205
Erin Brock, Peace Region, 780-568-3326
Troy Prosofsky, Southern Alberta, 403-332-1412

Jim Bessel, North Central and North Eastern Saskatchewan, 306-373-6771
Tiffany Martinka, Eastern Saskatchewan, 306-231-3663
Clint Jurke, Western Saskatchewan, 306-821-2935
Derwyn Hammond, Manitoba Region, 204-729-9011

This media release is supported regionally by:
Alberta Canola Producers Commission; SaskCanola; Manitoba Canola Growers Association; Canola Council of Canada; Peace River Agriculture Development Fund; B.C. Ministry of Agriculture & Lands.


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Alberta Canola Producers Commission | #170, 14315 - 118 Avenue | Edmonton | AB | T5L 4S6 | Canada