[Fhb-update_cgp] FHB Update from OK, 04/05/17

FHB Update - Central GP, Hard Winter Wheat fhb-update_cgp at scabusa.org
Wed Apr 5 17:46:20 EDT 2017


Yesterday (04-April) wheat in my foliar fungicide trial at the Plant
Pathology Farm located just west of Stillwater appeared to be at GS 10 to
10.1 (head in the boot to awns just emerging from the boot). Wheat in
southwestern, south-central, and central OK ranges from almost fully headed
to heads emerging depending on management (primarily whether or not it was
grazed). Leaf rust is present around the state, but mostly at low to
moderate levels. I have not seen any stripe rust, but active stripe rust was
reported in central OK, and dormant (telial stage) stripe rust was reported
in southwestern OK. Powdery mildew is heavy in susceptible wheat that has
thick/heavy foliage.

--Bob Hunger, Extension Plant Pathologist, Oklahoma State University

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 http://www.scabusa.org



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