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Late Blight Resources

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USDAAPHISPPQCPHST. Identification Technology Program.

ITP and the APHIS PPQ S&T Beltsville Lab are pleased to announce the release of IDphy: Molecular and Morphological Identification of Phytopthora Based on the Types, ITP’s first pathogen tool. This website offers PPQ and its partners the most complete, valid, and up-to-date resource for identifying the culturable species of Phytophthora. IDphy includes detailed standard operating procedures for all steps involved in culturing, sequencing, and identifying suspect samples, covering both molecular and morphological methods. Some species of Phytophthora are devastating plant pathogens that have a significant impact on agriculture and natural ecosystems.

International Potato Center.
University of Hawaii. Tropical Agriculture and Human Resources. Integrated Pest Management Program.
University of Massachusetts - Amherst. UMass Extension. Greenhouse Crops & Floriculture Program.

Manitoba Agriculture, Food and Rural Development (Canada).

University of Alaska - Fairbanks. Cooperative Extension Service.

See also: UAF/CES Publications for more fact sheets.
North Dakota State University. Extension Service; University of Minnesota Extension.
British Columbia Ministry of Agriculture (Canada).
See also: Field Vegetables for more fact sheets.
University of Hawaii. Cooperative Extension Service.
See also: Plant Disease Publications for more fact sheets.
Virginia Tech; Virginia State University. Virginia Cooperative Extension.

New York Invasive Species Clearinghouse.

American Phytopathological Society.

University of California. Statewide Integrated Pest Management Program.

Purdue University (Indiana). Extension.