With winter wheat progressing rapidly through its growth stages in Ontario, RealAgriculture agronomist Peter Johnson is advising growers to keep a close eye on the crop.
With crop development running 10 days ahead of schedule, Johnson says wheat fields need to be scouted to make critical management decisions to optimize yield. On this episode of the Wheat School, he heads to the field to demonstrate how growers can identify the penultimate leaf and flag leaf, and effectively time weed control and nitrogen and fungicide applications.
Johnson notes that growers need to be careful to not burn the penultimate leaf if they are planning a last nitrogen application before the flag leaf emerges. Flag leaf emergence is a signal to cease applying weed control. "It's just too high risk," he adds.
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