Wheat Pete's Word, Oct 7: Harvest yields, fall spraying, corn DON risk

RealAgriculture published the October 7 edition of its weekly agronomy podcast, Wheat Pete's Word, covering four decision-critical topics for Canadian and Northern US growers: harvest yield updates, fall spray timing, DON risk in the corn crop, and the latest Yield Enhancement Network (YEN) results.

The episode, hosted by longtime RealAgriculture agronomist Peter Johnson, arrived as growers across key regions push through the tail end of harvest while weighing late-season agronomy calls that will shape next season's outcomes.

What's in this week's episode?

• Harvest yield updates — Johnson runs through the latest reported yields as combines move through remaining acres, giving growers a benchmark for how the season is finishing.
• Fall spray timing — guidance on when to schedule fall herbicide applications, a decision with direct carryover implications for weed pressure next spring.
• Corn and DON — an update on deoxynivalenol (DON) levels in corn, the mycotoxin that determines whether grain meets acceptance thresholds at elevators and end users.
• YEN results — findings from the Yield Enhancement Network, the benchmarking program that compares individual fields against yield potential models to identify the limiting factors.

Why it matters

DON remains one of the sharpest commercial risks in this week's lineup. Elevated vomitoxin levels can trigger outright rejection or heavy price discounts at delivery, so growers with corn still standing will want current regional guidance before they harvest and store.

Fall spray timing carries similar weight. The window for fall herbicide applications is narrow, and getting it right reduces spring weed competition and can trim the cost of a pre-seed burnoff program.

The YEN results give data-driven context: the program measures a field's actual yield against its water-limited yield potential, helping growers see whether nutrition, seeding rate, or disease control is capping performance.

Where to listen

The full episode is available through RealAgriculture's website and podcast feeds. Growers balancing the last harvest passes against fall spraying windows should listen before finalizing this week's field schedule, and watch for next week's edition as YEN analysis and yield reports continue to roll in.