Journal
JOURNAL OF FUNGI
Volume 8, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/jof8111175
Keywords
6 new taxa; Neopestalotiopsis; Pestalotiopsis; phylogeny; Seiridium; taxonomy
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This study provides an updated phylogeny for Pestalotiod fungi genera Neopestalotiopsis, Pestalotiopsis, and Seiridium, based on fresh collections from woody oil plants in Sichuan Province, China. Several new species were discovered, and pathogenicity tests showed some of them to be pathogenic on detached olive leaves.
Pestalotiod fungi are associated with a wide variety of plants worldwide and occur as endophytes, pathogens, and saprobes. The present study provides an updated phylogeny for genera Neopestalotiopsis, Pestalotiopsis, and Seiridium using fresh collections from woody oil plants (Camellia oleifera, Olea europaea, Paeonia suffruticosa, Sapium sebiferum, and Vernicia fordii) in Sichuan Province, China. We coupled morphology and combined sequence data analyses of ITS, tub2, and tef1-alpha for Neopestalotiopsis and Pestalotiopsis, with ITS, LSU, tub2, tef1-alpha, and rpb2 for Seiridium. Three novel species of Neopestalotiopsis (N. mianyangensis, N. paeonia-suffruticosa, N. terricola) and three of Seiridium (S. guangyuanum, S. vernicola, S. oleae), were found. Three other species, Pestalotiopsis kenyana, Seiridium ceratosporum, and S. rosarum were identified and reported as new records. All isolated species are fully described and illustrated. Additionally, the sexual morph of Pestalotiopsis kenyana is described for the first time. Pathogenicity tests revealed that Neopestalotiopsis mianyangensis, N. paeonia-suffruticosa, N. terricola, Pestalotiopsis kenyana, Seiridium guangyuanum, S. vernicola, and S. oleae are pathogenic on detached olive leaves.
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