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Market tries to figure out value of corn

In a week like this, it’s more how we react to the news, not the news, says Don Roose, market analyst with U.S. Commodities in Des Moines.

“It’s a key week,” he says.

It’s when the trade hears what real people in the field are saying as the Pro Farmer Crop Tour begins. They visit many of the same fields year after year, so it’s important how this year compares to other years — more important than how this year compares to USDA numbers, Roose says.

There’s more respect for the seasonality of approaching harvest right now than the supply. There is usually a setback in conditions as the crops reach maturity. The heat will likely take a real toll on northeast Iowa, Minnesota and variable areas, he said.

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Sclerotinia and Lygus in Seed Canola: Field Update with George Lubberts, CCA | Enchant, Alberta

Video: Sclerotinia and Lygus in Seed Canola: Field Update with George Lubberts, CCA | Enchant, Alberta

Join Certified Crop Advisor George Lubberts for this Prairie Certified Crop Advisor (Prairie CCA) field update from Enchant, Alberta. In this 12th video of the series, George takes us into a seed canola field where the male rows have been removed and the female plants are filling pods. This video was taken in the third week of August 2025.

George discusses the early signs of sclerotinia stem rot, explaining how infection begins in the stem, impacts pod development, and leads to premature ripening. He also shares insights on lygus bug management, including timing of spray applications to minimize feeding damage and maintain seed size and quality.

With cool, damp summer conditions, George notes that while disease pressure is present, overall field health remains good. The crop is just beginning to show early seed colour change, signaling progress toward maturity.

Topics Covered:

•Sclerotinia stem rot identification and impact

•Managing lygus bugs in seed canola

•Crop stage and seed colour change observations

•Timing insecticide sprays for optimal protection

•Insights from a CCA field perspective in southern Alberta