Mycological Progress

, Volume 18, Issue 5, pp 683–701 | Cite as

Lasiodiplodia spp. associated with Aquilaria crassna in Laos

  • Yu Wang
  • Sen Lin
  • Lin Zhao
  • Xiang Sun
  • Wei He
  • Ying ZhangEmail author
  • Yu-Cheng DaiEmail author
Original Article


Aquilaria (Thymelaeaceae) is a genus of evergreen trees, which is well-known in producing resinous heartwood (known as agarwood). Infection by Lasiodiplodia spp. has been reported effectively inducing the agarwood formation in members of Aquilaria. In this study, 12 taxa of Lasiodiplodia were retrieved from trunks of healthy, brown, and ligaloes tissue of Aquilaria crassna in Laos, of which eight species are new to science. Fungal identification was conducted using a combination of morphology and multi-locus phylogenetic analyses based on combined translation elongation factor 1-a sequence (tef1-a), internal transcribed spacer (ITS), ß-tubulin (TUB), and RNA polymerase II beta subunit (RPB2) nuDNA sequences. Cashew nut-shaped conidia and the baculate ornamentation on the conidia of Lasiodiplodia spp. are first reported in this study. Aquilaria crassna proved a good host for Lasiodiplodia, and the function of Lasiodiplodia spp. in inducing agarwood formation needs further study.


Agarwood Botryosphaeriaceae Chinese medicine Fungal biodiversity New taxa 



Dr. Jinlong Zhang (KFBG) is acknowledged for host plant identification.

Funding information

This work was supported by the Fundamental Research Funds for the Central Universities (No. 2016ZCQ04), National Natural Science Foundation of China (General Program, 31770015, 31370063), NSFC Projects of International Cooperation and Exchanges (3155461143028), and National Science and Technology Foundation Project (2014FY210400).

Supplementary material

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Copyright information

© German Mycological Society and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Beijing Advanced Innovation Center for Tree Breeding by Molecular DesignBeijing Forestry UniversityBeijingPeople’s Republic of China
  2. 2.Institute of MicrobiologyBeijing Forestry UniversityBeijingPeople’s Republic of China
  3. 3.Beijing Key Laboratory for Forest Pest ControlBeijing Forestry UniversityBeijingPeople’s Republic of China
  4. 4.State Key Laboratory of Mycology, Institute of MicrobiologyChinese Academy of SciencesBeijingPeople’s Republic of China

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