Pantoea ananatis

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symptoms of Pantoea ananatis infection on onion (click on image to enlarge it)
Author(s): Howard F. Schwartz, Colorado State University
Source: IPM Images

Pantoea ananatis (Serrano 1928) Mergaert, Verdonck & Kersters 1993

The bacterium is widespread in tropical and subtropical regions. It causes centre rot of onion, maize white spot and other diseases like palea browning of rice in paddy fields which diminishes the quality of hulled rice. Frequently economic losses result from these diseases. The bacterium is apparently native to southern Africa and has been introduced into the Americas, where it is transmitted by the thrips Frankliniella fusca. It has been also reported from Asia.

Vernacular names
• English: center rot of onion
maize white spot
palea browning of rice
brown rot of pineapple
• Español: marmoleado del fruto de la piña
• Français: pourriture des jeunes ananas

Synonyms:
Erwinia ananas
Erwinia ananatis
Erwinia uredovora
Pantoea ananas