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Washington State University
WSU Puyallup Ornamental Plant Pathology

Managing Phytophthora diseases in the nursery

Four critical control points have been identified to prevent the entry of waterborne diseases such as Phytophthora and Pythium into nursery production. These are:

By preventing or managing disease outbreaks at these points in the production cycle, you can minimize the damage and loss of product, and grow clean, healthy plants.

More information: