Avoid spot spraying with DMI fungicides

Spot spraying with pesticides is a great way to reduce the cost and impact of pesticide use. But there are a few watch outs to keep in mind.

First, you should avoid spot spraying with fungicides in the DMI (demthylation inhibitor) class. These include propiconazole (Banner), myclobutanil (Eagle), triadimefon (Bayleton), tebuconazole (Torque, Lynx), metconazole (Tourney) and triticonazole (Trinity, Triton). The reason? All DMIs have some turf growth regulation effects. Spot spraying with these products will create spots of darker, growth-regulated…