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首页> 外文期刊>Mycologia >Phylogenetic and morphological re-evaluation of the Botryosphaeria species causing diseases of Mangifera indica
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Phylogenetic and morphological re-evaluation of the Botryosphaeria species causing diseases of Mangifera indica

机译：系统发育和形态重新评估引起芒果病的葡萄球菌物种

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Species of Botryosphaeria are among the most serious pathogens that affect mango trees and fruit. Several species occur on mangoes, and these are identified mainly on the morpholopy of the anamorphs. Common taxa include Dothiorella dominicana, D. mangiferae (= Natrassia mangiferae), D. aromatica and an unidentified species, Dothiorella 'long'. The genus name Dothiorella, however, is acknowledged as a synonym of Diplodia. This study aimed to characterize and name the Botryosphaeria spp. associated with disease symptoms on mangoes. To achieve this isolates representing all four Dothiorella slip. mentioned above were compared with the anamorphs of known Botryosphaeria spp., based on conidial morphology and DNA sequence data. Two genomic regions were analyzed, namely the ITS rDNA and beta-tubulin regions. The morphological and molecular results confirmed that the fungi previously identified front mango as species of Dothiorella belong to Fusicoccum. Dothiorella dominicana isolates were identical to isolates of F. parvum (teleomorph = B. Parva). A new epithet, namely F. mangiferum, is proposed for isolates previously treated as D. maugiferae or N. maugiferae. Isolates of D. aromatica were identified as F. aesculi (telcomorph = B. dothidea). A fourth Fusicoccum sp. also was identified as those isolates previously known as Dothiorella 'long'. A key is provided to distinguish these species based on anamorph morphology in culture. This study provides a basis for the identification of Botryosphaeria species front mango, which is important for disease control and to uphold quarantine regulations.
机译：葡萄孢属的物种是影响芒果树和水果的最严重的病原体之一。芒果上有几种物种，主要在无性型的形态上鉴定。常见的分类群包括Dothiorella dominicana，D。mangiferae（= Natrassia mangiferae），D.aromana和一个未确认的物种Dothiorella'long'。但是，杜索雷拉属（Dothiorella）被认为是Diplodia的同义词。这项研究旨在表征和命名Botryosphaeria spp。与芒果的疾病症状有关。为了达到这个目的，分离株代表了所有四个Dothiorella滑动。根据分生孢子的形态和DNA序列数据，将上述的与已知的Botryosphaeria spp。的变形进行了比较。分析了两个基因组区域，即ITS rDNA和β-微管蛋白区域。形态和分子结果证实该真菌先前将锋芒芒果鉴定为Dothiorella物种属于镰刀菌。 Dothiorella dominicana分离株与细小镰刀菌的分离株相同（teleomorph = B. Parva）。有人提出了一种新的称谓，即芒果镰刀菌，用于先前被当作毛毛球菌或毛毛球菌的菌株。 D.aromatica的分离物被鉴定为F. aesculi（telcomorph = B. dothidea）。第四个Fusicoccum sp。也被鉴定为以前称为Dothiorella'long'的分离株。提供了根据培养中的变形形态区分这些物种的关键。该研究为鉴定葡萄球菌前缘芒果提供了基础，这对于疾病控制和坚持检疫法规很重要。

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