Canola School: Solving the Mystery of Heated Canola

Episodes:

Maybe it’s due to news traveling faster on social media than it used to, but there have been a fair number of reports of canola heating in the bin this winter.

Producers who find themselves in these unfortunate situations are often left scratching their heads wondering why it happened.

angela_brackenreed_surveying_canolaWas it harvested too early? Was it straight-cut or swathed? Was dry-down aid X applied before combining?

Some growers have been wondering whether there’s a correlation between straight-cutting and heating in the bin.

“I wouldn’t necessarily say it’s a straight-cutting issue, but just issues with the seed,” notes Angela Brackenreed, agronomy specialist with the Canola Council of Canada, in this audio Canola School episode.

“With some of the straight-cutting there potentially could have been draws in the field that weren’t as mature,” she explains. “If those fields weren’t desiccated or if they didn’t use a drydown product there also could have been more green weed seeds in the field.”

Timing is critical for minimizing high moisture green seed when straight-cutting and/or applying a drydown aid or desiccant, especially in those variable or stagey fields.

“Heat and Reglone are products that don’t bring on maturity. They basically stop the crop from maturing, so it’s very important to get the timing right because you can lock in green seed if applied too early,” notes Brackenreed.

In some cases, producers may have decided to straight-cut a field at the last minute because it wasn’t ideal for swathing, but if it was too variable for swathing, it likely wasn’t ideal for straight-cutting either.  She says she hopes these circumstances don’t turn growers off to straight-cutting.

“I really encourage producers to try to find a field that is a good field for straight-cutting. I think they’ll have a much different experience with it.”

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