Wheat/Oat Grower Update

Please see correction on timing of FHB spray from Christina Cowger, last update was in error.

Important note from Christina: If scab is your target, you will only profit significantly if you apply fungicide between early flowering and up to 7 days later. Fungicide applications before flowering will give little to no scab control. This is because the scab fungus attacks the heads through the flowering parts (anthers) once they are extruded.

Bottom line: use Propiconazole or Tebuconazole to correct any early problems. Then, if there is medium to high risk of scab, which you can see at the forecasting site www.wheatscab.psu.edu, put out Caramba, Proline, or Prosaro at early flowering or, if it is too wet then, up to 7 days later. This approach should decrease your exposure to FHB while keeping the other diseases in check. I will be sending out FHB update as soon as I prior to wheat flowering.


Foliar insecticide treatments for aphid control: A well-timed insecticide application of a persistent pyrethroid insecticide such as lambda cyhalothrin (Warrior, Karate, Lambda, Silencer,other(s) will kill aphids and reduce the incidence of BYD and increase yields.

Good Growing!

Information from: Christina Cowger, Small Grains Pathologist USDA-ARS North Carolina State University, Intensive Wheat Management in Georgia and 2015 Georgia Chemical Handbook.

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