
ETHREL PGR
• Ideal window of Application is Zadoks Scale 37 – to – Zadoks scale 45
• Source Bayer Ethrel label
• Presence of flag leaf is the beginning of the window
• Prior to head emergence is the end of the application window

Ethrel applied at 250 mL /acre at growth stage 39 - full flag leaf

Ethrel applied to Copeland barley
• This product was applied at 10 US Gallons per acre
• This application was tank mixed with trivapro fungicide

• Ethrel has a small window of application and can be detrimental to the plant when it is not used correctly.
• However when it is used correctly it is very effective in reducing plant height and therefore reducing lodging.