Horticulture/Excluding Plant Pathogens

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The best way to control plant diseases is to simply exclude the pathogen from the garden. While this is often impossible because many diseases are wind-borne, putting some effort into exclusion is worth the time.

One way to exclude pathogens is to "quarantine" any new plants for a wile before planting them in the garden. This is especially important for some of the more serious soil-borne fungi such as Phytophthora, Verticillium, and Sclerotinia.

Removing alternate hosts is effective for many pathogens.

Controlling vectors is important for many diseases.

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