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Warning: The information in this archived item was not confirmed with the appropriate National Plant Protection Organization and is provided solely for informational purposes. Please use this information with caution.

Subject: Root-knot nematode new to the US
Date posted: June 20, 2002
Source: Florida Department of Plant Industry
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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