[Fhb-update_ma] FHB Update from DE, 05/01/17
FHB Updates - Mid Atlantic SWW Region
fhb-update_ma at scabusa.org
Mon May 1 05:58:43 EDT 2017
Rain has pushed a large portion of the region into a severe level of risk
for FHB if that wheat is currently flowering. Most of the wheat in S
Delaware and S Maryland likely started to flower late last week and is at
elevated risk for FHB, especially if a suceptible variety was planted.
Growers with wheat flowering at this time are advised to make an application
of a FHB fungicide (Caramba, Prosaro, Proline). Applications are most
efficacious when applications occur from the start of flowering, through p
days from the start of flowering. Apply in 5 gal/A air and 15 gal/A by
ground, 300-350 um droplet size, with nozzles at least angled forwards 30
degrees. Wheat not yet flowering is not at risk. Continue to check your
wheat and this page for updates.
--Nathan Kleczewski, Extension Field Crop Plant Pathologist, University of
Delaware
For more details, go to the FHB Risk assessment tool at
http://www.wheatscab.psu.edu
For the latest news and updates from the U.S. Wheat & Barley Scab
Initiative, go to https://www.scabusa.org
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