Warning: The following pest reports have not yet been confirmed with the appropriate
National Plant Protection Organization. They are provided solely as an early warning
to NAPPO countries, and all National and Regional Plant Protection Organizations
should use this information with caution.
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Subject:
Root-knot nematode new to the US
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| Date posted: June 20, 2002 |
| Source:
Florida Department of Plant Industry
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Meloidogyne mayaguensis, a root-knot nematode, is now present within the continental United States. Specimens were found in three Florida locations, including a commercial tomato field, an ornamental nursery, and a tropical fruit nursery. Specific host information for the latter two sites can be found in the Florida Pest Alert (see link below). Meloidogyne mayaguensis, considered a tropical/subtropical nematode, is reported in the field from Puerto Rico, several Caribbean basin countries (Cuba, Dominican Republic, Guadeloupe, Martinique, Tobago, and Trinidad), Brazil, and four African countries (Burkina Faso, Ivory Coast, Senegal, and South Africa). Its potential host range is wide, but several plants are reported as primary hosts, including coffee, guava, tomato, tobacco, eggplant, and bell pepper. The potential economic damage inflicted by M. mayaguensis on these crops in the US is unclear, though this nematode is known to be more capable of breaking cultivar resistance, particularly in tomatoes, soybeans, and sweet potatoes, than other co-occurring tropical species. For more information please see: http://doacs.state.fl.us/~pi/enpp/nema/m-ayaguensis.html
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