[Fhb-update_ma] FHB Update from DE, 05/15/17
FHB Updates - Mid Atlantic SWW Region
fhb-update_ma at scabusa.org
Mon May 15 19:01:21 EDT 2017
We are through flowering in Delaware and Maryland wheat. Growers should
assess wheat for FHB severity approximately 18-24 days after flowering or
fungicide application. Check one transect per 1-2 acres of field. At each
transect, pick 25 heads without looking at the field. Mark the number of
heads with FHB out of the total heads collected (FHB incidence). Fields with
high levels of FHB incidence should be harvested with increased fan speeds
to remove tombstones and grain stored separately from that harvested from
cleaner fields. If possible, harvest fields early and dry to at least 15%
moisture to prevent continued growth of the FHB fungus and potential
mycotoxin production.
--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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