[Fhb-update_ma] FHB Update from DE, 05/15/13

FHB Updates - Mid Atlantic SWW Region fhb-update_ma at scabusa.org
Wed May 15 11:32:27 PDT 2013


Risk levels for FHB have returned to low for the majority of Delaware. Wheat
that is heading or entering flowering will only be at risk if temperatures
become favorable for infection and rain occurs. Growers are encouraged to
continue to monitor their wheat as it enters flowering and apply appropriate
fungicides if needed at Feekes 10.5.1 (early flowering at the beginning of
anthesis). Growers have a 3-5 day window to apply fungicides after wheat has
entered Feekes 10.5.1. Fungicides applied earlier or later will not provide
suppression of FHB. Fungicides containing a group 11 active ingredient are
not recommended for control of head scab.

--Nathan Kleczewski, Extension Specialist, University of Deleware

For more details, go to the FHB Risk assessment tool at
http://www.wheatscab.psu.edu



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