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Date of Planting. Soft red winter wheat should be planted within the two-week period following the Hessian fly-free date, which ranges from September 22 across the northern tier of counties in Indiana to October 9 in the extreme southern part of the state (Figure 1).
30 wrz 2014 · Winter wheat in Indiana: Wheat is the principle host for the Hessian Fly; be sure to check for the fly-free date in your area before seeding.
The fly-free date marks the time when Hessian fly is (generally) no longer active in the fall. However, the continuation of warm weather into the late summer and early autumn may extend Hessian fly activity beyond the average fly-free date.
27 wrz 2010 · The optimal planting date for wheat in Indiana is within 7 to 14 days after the average Hessian fly-free date (Figure 1), which ranges from September 22 in northern Indiana to October 9 in southern Indiana.
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.” However, these dates can vary depending on many environmental factors. Crop Rotation: Hessian flies have a very limited host range, with ...
2 paź 2012 · WEST LAFAYETTE, Ind. - Although many U.S. crop fields already have been harvested because of the drought, farmers still need to follow fly-free dates when planting wheat to avoid Hessian fly infestations in their winter crops, says a Purdue entomologist and Agricultural Research Service scientist.
22 sie 2023 · Wheat appears to be preferred, but flies will also lay eggs on barley and rye and some native grasses. Planting after the fly-free date is an effective control method because it avoids having large numbers of young potential host plants available to receive eggs when adult flies are active.
