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Issue: Vol. 670 No. 3: 1 Nov. 2024
Type: Article
Published: 2024-11-01
DOI: 10.11646/phytotaxa.670.3.1
Page range: 148-160
Abstract views: 82
PDF downloaded: 3

Trichoderma azadirachtae sp. nov. from rhizosphere soil of Azadirachta indica from Guangdong Province, China

Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering / Key Laboratory of Fruit and Vegetable Green Prevention and Control in South China, Ministry of Agriculture and Rural Affairs, Guangzhou 510225, P.R. China
Germplasm Bank of Wild Species & Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P.R. China
Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering / Key Laboratory of Fruit and Vegetable Green Prevention and Control in South China, Ministry of Agriculture and Rural Affairs, Guangzhou 510225, P.R. China
Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering / Key Laboratory of Fruit and Vegetable Green Prevention and Control in South China, Ministry of Agriculture and Rural Affairs, Guangzhou 510225, P.R. China
Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering / Key Laboratory of Fruit and Vegetable Green Prevention and Control in South China, Ministry of Agriculture and Rural Affairs, Guangzhou 510225, P.R. China
Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering / Key Laboratory of Fruit and Vegetable Green Prevention and Control in South China, Ministry of Agriculture and Rural Affairs, Guangzhou 510225, P.R. China
1 new species Azadirachta indica Harzianum-clade Phylogeny South Chinese fungi Taxonomy Fungi

Abstract

Trichoderma species are distributed worldwide and they play an important role in plant protection, growth promotion and also as biocontrol agents of plant diseases. In this study, a new species of Trichoderma was isolated from Azadirachta indica rhizosphere soils in Zhaoqing City, Guangdong Province, China. Based on the morphology and combined multigene phylogeny of nuclear internal transcribed spacer of rDNA region (ITS), translation elongation factor 1 alpha (tef1-α) and RNA polymerase second largest subunit (rpb2), a new Trichoderma species belongs to the Harzianum-clade was identified, namely Trichoderma azadirachtae sp. nov. Distinctions between the new species and its close relatives are discussed in detail.

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