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Title:   Author  item
                                            BECKERMAN, JANNA - Purdue Universityitem
                                            Goodwin, Stephen

                                                         - *Steve*item
                                            GIBSON, KEVIN - Purdue University
  Submitted to: Meeting Proceedings
                                    Publication Type: Proceedings
                                    Publication Acceptance Date: 6/15/2014
                                    Publication  Date: 12/18/2014
                                    Citation: Beckerman, J., Goodwin, S.B., Gibson, K. 2014. The threat of hybrid Phytophthoras. In: USDA Forest Service Proceedings, RMRS-P-72. Joint meeting of the Northeast Forest and Conservation Nursery Association and Southern Forest Nursery Association, July 22-25, 2013, Lafayette, Indiana.  page 12-17.Interpretive Summary: The majority of invasive plant pathogens have resulted from the introduction of exotic organisms. However, another mechanism for invasiveness results from hybridization between species. This phenomenon has been documented in plants and animals, but its role in plant pathology has only recently been recognized. With more than 100 species of Phytophthora identified to date, and little information regarding their biogeography and native habitat, Phytophthora hybrids are difficult to detect. Unfortunately, recent taxonomic surveys for Phytophthora in the nursery, greenhouse and landscape have identified multiple hybrids involving different parental species. Their spread via the international plant trade poses significant risks to ecosystems throughout the world.
                                Technical Abstract: The majority of invasive plant pathogens have resulted from the introduction of exotic organisms. However, another mechanism for invasiveness results from hybridization between species. This phenomenon has been documented in plants and animals, but its role in plant pathology has only recently been recognized. With more than 100 species of Phytophthora identified to date, and little information regarding their biogeography and native habitat, Phytophthora hybrids are difficult to detect. Unfortunately, recent taxonomic surveys for Phytophthora in the nursery, greenhouse and landscape have identified multiple hybrids involving different parental species. Their spread via the international plant trade poses significant risks to ecosystems throughout the world.


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