Veranda™ O is a member of the Polyoxins class of fungicides. Veranda O works by inhibiting chitin synthase during cell wall development. As a member of a unique chemical class Veranda O is an excellent choice as a rotational tool for control of important diseases such as Botrytis, Alternaria, Rhizoctonia, and others. Veranda O is a water dispersible granule formulation containing 1.81 ounces of active ingredient polyoxin per pound.