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Issue: Vol. 494 No. 2: 6 April 2021
Type: Article
Published: 2021-04-06
DOI: 10.11646/phytotaxa.494.2.2
Page range: 193–207
Abstract views: 28
PDF downloaded: 1

Three new host records of endophytic Neofusicoccum species reported from Dendrobium orchid

Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand. School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand.
Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand. School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand.
Universidade de Lisboa, Faculdade de Ciências, Biosystems and Integrative Sciences Institute (BioISI), Campo Grande, 1749-016 Lisbon, Portugal.
Engineering and Research Center for Southwest Biopharmaceutical Resource of National Education Ministry of China, Guizhou University, Guiyang 550025, Guizhou Province, People’s Republic of China.
Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand. School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand.
CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, People’s Republic of China. World Agroforestry (ICRAF), East and South Asia, Kunming 650201, Yunnan, People’s Republic of China. Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, Guangdong, People’s Republic of China.
Botryosphaeriaceae endophytes multi-genes new host records Orchidaceae Monocots

Abstract

Neofusicoccum species are endophytes, saprobes and opportunistic pathogens of many economic and ornamental plants. There are few reports of Neofusicoccum species are available to be associated with orchids worldwide. In this study, five endophytic Neofusicoccum strains were isolated from Dendrobium orchid leaves and stems in southwestern China and northern Thailand. Morphological characteristics and phylogenetic analysis of the combined partial nuclear rDNA internal transcribed spacer (ITS), partial RNA polymerase Ⅱ second largest subunit (RPB2), part of the translation elongation factor 1 alpha (EF-1α) and beta-tubulin (TUB2) dataset revealed that these isolates belong to two species Neofusicoccum occulatum and N. parvum. This is the first record of Neofusicoccum occulatum associated with Dendrobium chrysanthum while N. parvum associated with D. harveyanum and D. moschatum.