New species of Trichoderma from Asia

John Bissett, George Szakacs, Carol Ann Nolan, Irina Druzhinina, Cornelia Gradinger, Christian P. Kubicek

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Abstract

Seven new species of Trichoderma, isolated from soil or tree bark from Siberia, Nepal, northern India, Taiwan, Thailand, Cambodia, and Malaysia, are described based on morphological and physiological characters, and from their phylogenetic position inferred from parsimony analyses of nucleotide sequences of the internal transcribed spacer (ITS) regions of the rDNA cluster (ITS1 and 2) and partial sequences of translation elongation factor 1-alpha (tef1α). Trichoderma sinensis sp. nov. and Trichoderma effusum sp. nov. are additions to Trichoderma section Longibrachiatum. Trichoderma helicum sp. nov., Trichoderma rossicum sp. nov., Trichoderma velutinum sp. nov., and Trichoderma cerinum sp. nov. are additions to section Pachybasium. Trichoderma erinaceum sp. nov. is described in section Trichoderma. The contribution of sequence data in resolving species in Trichoderma is demonstrated by Trichoderma helicum, which is morphologically indistinguishable from Trichoderma tomentosum Bissett, even though the two species are not phylogenetically closely related.

Original languageEnglish
Pages (from-to)570-586
Number of pages17
JournalCanadian Journal of Botany
Volume81
Issue number6
DOIs
Publication statusPublished - Jun 1 2003

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Keywords

  • Hypocrea
  • Phylogeny
  • Systematics
  • Taxonomy

ASJC Scopus subject areas

  • Plant Science

Cite this

Bissett, J., Szakacs, G., Nolan, C. A., Druzhinina, I., Gradinger, C., & Kubicek, C. P. (2003). New species of Trichoderma from Asia. Canadian Journal of Botany, 81(6), 570-586. https://doi.org/10.1139/b03-051