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6 wrz 2022 · The standard fly-free-date is during the first week of September in the northern Lower peninsula, around mid- September in mid-state areas and approximately the third or fourth week of September for southern Michigan.
21 sie 2012 · While the Hessian fly no longer poses a significant threat to wheat in Michigan, the Hessian fly-free-date is still a useful reference relative to wheat and disease development. Growers may do well to plant a fraction of their acreage within a few days of the fly-free date.
8 wrz 2011 · Find out when to plant winter wheat in Michigan to avoid Hessian fly and other diseases. See a table of Hessian fly-free dates for each county and tips for seed preparation and planting.
2 paź 2023 · In a perfect world, wheat should be planted soon after the Hessian fly-free date to achieve the highest yields assuming heat unit accumulation is near average in October and November. The goal is to plant early enough to produce two to three tillers before the winter vernalization period.
18 cze 2024 · While the Hessian fly no longer poses a significant threat to wheat in Michigan, the fly-free-date is still a useful reference. The fly-free-date is during the first week of September in the northern lower peninsula, around mid- September in mid-state areas and approximately the third or fourth week of September for southern Michigan.
31 sie 2023 · Fly-Free Dates: Avoid planting (if possible) until after a fly-free date. Fly-free dates have been used to determine when Hessian fly activity has ceased during the fall, and planting is considered “safe.”
Adult Photo by J. Obermeyer. Hessian fly may pose a serious threat to wheat, barley, and rye, with wheat being the preferred host. Hessian fly passes the winter as a full-grown maggot within a brown protective case known as a puparia or flaxseed.
