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Two endoparasitic powdery mildews (Erysiphales, Phyllactinieae) from Panama: Phyllactinia obclavata and Leveillula contractirostris

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Abstract

Although Panama is hypothesized to play an important role for the spread of powdery mildews from North to South America, only few species are known from Panama. Two species with hyphae penetrating into the host leaf mesophyll are presented here. Phyllactinia spathodeae from Spathodea campanulata is considered a synonym of Ph. obclavata. Leveillula contractirostris from Sida haenkeana is recorded for the first time for America and for Sida as host genus. Since in Panama both fungi appear to be limited to higher elevations, the importance of the Panamanian mountain ridges for the phylobiogeography of temperate-adapted organisms is discussed.

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Acknowledgements

We thank the Universidad Autónoma de Chiriquí (UNACHI, David, Panama) and the Ministerio de Ambiente (MiAmbiente, Panama) for administrative support, the German Academic Exchange Service (DAAD) and German Research Society (DFG) for financial support, the curators of K, VIA, and VIC for loan of specimens, J.R. Liberato and R.W. Barreto for their constructive input during an early stage of manuscript preparation, and P. Kirk for help to understand the nomenclatural status of a species. The study was financially supported by the Ministry of Science and Technology of Taiwan (NSC100-2621-B-008-001-MY3) and the SENACYT (project number APY-GC-2015-57, R. Villarreal and the national research program SNI) of Panama.

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Authors and Affiliations

  1. Department of Biomedical Sciences & Engineering, National Central University, Taoyuan County, Jhongli City, 32001, Taiwan, Republic of China

    R. Kirschner

  2. Mycological Research Center (CIMi), Herbarium UCH, Autonomous University of Chiriquí (UNACHI), 0427, David, Chiriquí Province, Panama

    Tina A. Hofmann

  3. Department of Mycology, Cluster for Integrative Fungal Research (IPF), Goethe University Frankfurt am Main, Biologicum, Max-von-Laue-Str. 13, 60439, Frankfurt am Main, Germany

    M. Piepenbring

Authors
  1. R. Kirschner
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  2. Tina A. Hofmann
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  3. M. Piepenbring
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Correspondence to R. Kirschner.

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Section Editor: Robert W. Barreto

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Kirschner, R., Hofmann, T.A. & Piepenbring, M. Two endoparasitic powdery mildews (Erysiphales, Phyllactinieae) from Panama: Phyllactinia obclavata and Leveillula contractirostris . Trop. plant pathol. 42, 321–327 (2017). https://doi.org/10.1007/s40858-017-0169-x

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  • DOI: https://doi.org/10.1007/s40858-017-0169-x

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