Abstract
Based on a recent fieldwork in Panama, 25 species of rust fungi and several new hosts are reported for the first time from this country. Among the new records is one new species, Dicheirinia panamensis on Cojoba rufescens (Fabaceae). It differs from known species in the genus Dicheirinia by the presence of uredinia and telia without paraphyses, irregularly tuberculate urediniospores with two germ pores on the flattened sides, and tuberculate teliospores formed by three probasidial cells, subtended by a pedicel with three hyaline, apical cells.
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Acknowledgment
We thank Laurene Levy (USDA/APHIS) for the molecular diagnosis of Phakopsora meibomiae. We also appreciate the collaboration by Ralph Mangelsdorff (University of Frankfurt) and Joe Kirkbride and John Wiersema (USDA/ARS) for identifying many host species, Manfred Ruppel for assistance with the SEM, and Roland Kirschner (University of Frankfurt) for help with the Latin description. Carl Williams and Omar Monteros (Universidad de Panama, Chiriquí) helped to visit fields of legume crops and Naira Camacho (Dirección Salud Vegetal del Ministerio de Desarrollo Agropecuario de Panama) assisted in obtaining permits. The trip by JRH was made possible by Doug Luster (USDA/ARS) as part of the survey for Phakopsora pachyrhizi in Central America and the Caribbean. The activities by Meike Piepenbring and Maritza Vega Rios were supported by the German Academic Exchange Service (DAAD), in the context of a university partnership between the University of Frankfurt and the Universidad Autónoma de Chiriquí, and by the German Research Foundation (DFG).
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Taxonomical novelty: Dicheirinia panamensis J.R. Hern.,M. Piepenbr. and Vega Rios.
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Hernández, J.R., Piepenbring, M. & Vega Rios, M.B. A new species, Dicheirinia panamensis, and new records of rust fungi from Panama. Mycol Progress 6, 81–91 (2007). https://doi.org/10.1007/s11557-007-0526-0
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DOI: https://doi.org/10.1007/s11557-007-0526-0