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Expanding the Trichoderma harzianum species complex: Three new species from Argentine natural and cultivated ecosystems
Mycologia ( IF 2.8 ) Pub Date : 2021-09-02 , DOI: 10.1080/00275514.2021.1947641
Viviana A Barrera 1 , Leopoldo Iannone 2 , Andrea Irene Romero 2 , Priscila Chaverri 3, 4
Affiliation  

ABSTRACT

A study was performed on a collection of 84 isolates from decaying plant tissues and soils in Argentina previously identified as Trichoderma harzianum. Based on multiple phenotypic characters and multilocus phylogenetic analyses, 10 species were distinguished, three of which are described as new species: T. austroindianum, T. hortense, and T. syagri. Among the remaining seven identified species, the following five can be added to the Argentine mycobiota: T. afarasin, T. afroharzianum, T. endophyticum, T. guizhouense, and T. neotropicale. Trichoderma afroharzianum and T. endophyticum were the most frequent species found in the samples. In addition, a collection of isolates previously identified as T. harzianum with antagonistic abilities were reidentified as T. afroharzianum, thus highlighting the importance of correct identification of biocontrol species.



中文翻译:

扩大哈茨木霉物种群:来自阿根廷自然和栽培生态系统的三个新物种

摘要

对来自阿根廷腐烂植物组织和土壤的 84 株分离株进行了一项研究,这些分离株之前被鉴定为Trichoderma harzianum。基于多个表型特征和多位点系统发育分析,鉴定出10个种,其中3个被描述为新种:T. austroindianum、T. hortenseT. syagri。在其余 7 种已确定的菌种中,以下 5 种可添加到阿根廷菌群中:T. afarasin、T. afroharzianum、T. endophyticum、T. guizhouense和T.neotropicale 。Trichoderma afroharzianumT. endophyticum是样本中发现的最常见的物种。此外,以前被鉴定为具有拮抗能力的哈氏毛霉的一组分离物被重新鉴定为非洲毛毛霉,从而突出了正确鉴定生物防治物种的重要性。

更新日期:2021-09-02
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