What Is Plumeria Rust Fungus and How To Treat It?
Plumeria rust fungus, scientifically known as Coleosporium plumeriae, is a common fungal disease that affects plumeria trees (Frangipani). It primarily manifests as rusty orange or yellowish-brown powdery spots or pustules on the undersides of the leaves. Over time, these spots can spread to the upper leaf surfaces and cause defoliation and tree weakening. Plumeria rust…