[Fhb-update_ma] FHB Update from PA, 05/20/14

FHB Updates - Mid Atlantic SWW Region fhb-update_ma at scabusa.org
Tue May 20 09:15:30 PDT 2014


Most counties of PA are now at a “Low” risk for the development of scab
in wheat and barley that is currently flowering. Our current weather
forecast includes a chance of rain later this week, so certain areas may
have weather that is conducive to the production and spread of spores. Be
prepared to spray a fungicide on fields that are at medium to high risk at
flowering. Remember, sprays applied PRIOR to flowering will NOT provide
significant suppression of scab or toxin production. Caramba, Proline or
Prosaro are effective on scab and give control of most leaf diseases and
glume blotch. They do not need to be tank mixed with another product to
control these diseases. If these products are unavailable, Proline and
Folicur (which together provide the same chemicals as Prosaro) may be tank
mixed at a rate of 3 + 3 fl oz/A. Spray nozzles should be angled at 30°
down from horizontal, toward the grain heads, using forward- and backward
mounted nozzles or nozzles with a two directional spray, such as Twinjet
nozzles. Use your judgment as conditions at a weather station may not be the
same as at your farm.
--Alyssa Collins, Extension Plant Pathologist, Penn State Univ


--Alyssa Collins, Southeast Agricultural Extension Center, Penn State
University

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



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