Greenhouse and Nursery - Fungicides for Pythium Control

Pythium root rot is a common problem in greenhouse production as well as some nursery production (especially herbaceous perennials). The following are recommended fungicides for the control of Pythium root rot.

Pythium root rot on poinsettia. Photo and fungicide table from "Poinsettia Diseases - Pythium" by Roberto G. Lopez, Ph.D., Assistant Professor & Floriculture Extension Specialist, Purdue University and Janna Beckerman, Ph.D., Assistant Professor & Plant Pathology Extension Specialist, Purdue University.