Timing the fungicide application is critical. In this edition of the Pioneer Agronomy Update, Pioneer Strategic Account Manager Levi Heisler outlines the optimum timing for sunflowers. “For more foliar head diseases, like schlerotinia, the critical window is right now,” said Heisler. “If we spray to early, the protection fades before the risk peaks; if we spray too late, the damage is already done.” Click here.
