&lt;I&gt;Calonectria&lt;/I&gt; species associated with cutting rot of &lt;I&gt;Eucalyptus&lt;/I&gt;

Lombard, L.; Zhou, Xudong; Crous, Pedro W.; Wingfield, Brenda D.; Wingfield, Michael J.

doi:10.3767/003158510x486568

Cited by 63 publications

(135 citation statements)

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“…pteridis cause leaf spot on Phoenix canariensis and Serenoa repens, respectively (Luo et al 2009, Yang et al 2014. In forestry, leaf blight caused by Calonectria species is considered as one of the most serious threats to Eucalyptus plantations and nurseries in southern China (Zhou et al 2008, Lombard et al 2010a, Chen et al 2011. The leaf inoculations showed that all tested Calonectria species were pathogenic to the tested Eucalyptus clones, including the clones that are widely planted in southern China (Chen et al 2011, Li et al 2014a.…”

Section: Discussionmentioning

confidence: 99%

“…To date 27 Calonectria species have been isolated from Eucalyptus tissues with CLB/leaf rot symptoms or from soils originating from Eucalyptus plantations in tropical or subtropical areas in FuJian, GuangDong, GuangXi and HaiNan Provinces (Crous et al 2004, Lombard et al 2010a, Chen et al 2011. However, little information is known about the species diversity of Calonectria in natural forests.…”

Section: Introductionmentioning

confidence: 99%

“…Based on previous studies, Calonectria species have been reported in nine provinces and one Special Administrative Region (SAR), which with the exception of LiaoNing and ShanDong Provinces belong to temperate regions (Luan et al 2006, Li et al 2010. Most Calonectria have been isolated from agronomic crops or forestry plantations in subtropical and tropical regions, including FuJian, GuangDong, GuangXi, GuiZhou, HaiNan, JiangXi and YunNan Provinces, as well as Hong Kong SAR (Crous et al 2004, Lombard et al 2010a, Chen et al 2011, Gai et al 2012, Pei et al 2015.…”

Section: Introductionmentioning

confidence: 99%

“…Species of Calonectria are also rapidly dispersed via aerial dissemination and water movement, which leads to the transmission of Calonectria disease . Based on previous studies, at least 145 Calonectria species have been identified using molecular data and have been described worldwide (Crous 2002, Crous et al 2004, Lombard et al 2010a, b, c, 2011, 2016, Chen et al 2011, Alfenas et al 2013a, Gehesquière et al 2015. Sixty species were isolated from soil samples collected in subtropical or tropical regions (Crous 2002, Crous et al 2004, Lombard et al 2010a, b, c, 2015, 2016, Chen et al 2011, Alfenas et al 2015.…”

Section: Introductionmentioning

confidence: 99%

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Two novel species of Calonectria isolated from soil in a natural forest in China

Liu¹,

Chen²

2017

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Species of Calonectria include important pathogens of numerous agronomic and forestry crops worldwide, and they are commonly distributed in soils of tropical and subtropical regions of the world. Previous research results indicated that species diversity of Calonectria in China is relatively high. Most Calonectria spp. reported and described from China were obtained from diseased Eucalyptus tissues or soils in Eucalyptus plantations established in tropical and subtropical areas in southern China. Recently, a number of Calonectria isolates were isolated from soils in a natural forest in the temperate region of central China. These isolates were identified by DNA sequence comparisons for the translation elongation factor 1-alpha (tef1), histone H3 (his3), calmodulin (cmdA) and β-tubulin (tub2) gene regions, combined with morphological characteristics. Two novel species of Calonectria were identified and described, and are named here as Calonectria lichi and Ca. montana, which reside in the Prolate Group and Sphaero-Naviculate Group, respectively. This study revealed that more species of Calonectria may occur in natural forests in central China than previously suspected.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Two novel species of Calonectria isolated from soil in a natural forest in China

Liu¹,

Chen²

2017

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“…Leaf blight and other foliar diseases induced by C. eucalypti can easily be confused with those caused by other plant-pathogenic fungi, such as Mycosphaerella spp. and their anamorphs (Cheewangkoon et al 2008(Cheewangkoon et al , 2009Crous 2009), and Calonectria (Crous et al 2004b(Crous et al , 2006aLombard et al 2009Lombard et al , 2010.…”

Section: Introductionmentioning

confidence: 99%

Re-evaluation of Cryptosporiopsis eucalypti and Cryptosporiopsis-like species occurring on Eucalyptus leaves

et al. 2010

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Cryptosporiopsis eucalypti is a common follicolous pathogen of Eucalyptus species in tropical and temperate regions where these trees are grown in plantations. The taxonomy of C. eucalypti is confused by the fact that it is phylogenetically unrelated to the type species of Cryptosporiopsis (Cryptosporiopsis nigra = C. scutellata, Helotiales). The aim of this study was to resolve the taxonomic position of C. eucalypti based on morphology and phylogenetic inference. Thirty-two Eucalyptus leaf samples with symptoms typical of C. eucalypti infection were collected from 10 tropical and temperate countries across four continents. Cultures were established from single conidia, as well as from ascospores of a previously unreported teleomorph state. DNA sequences were obtained for the 28 S nrDNA, the internal transcribed spacers of the nrDNA operon, and beta-tubulin regions to determine generic and species-level relationships. DNAsequence analysis showed that conidial and ascospore isolates of C. eucalypti have low intraspecific variation, although two collections from Australia and one from Uruguay represented two novel taxa. Based on the newly collected teleomorph stage, as well as the phylogenetic data, C. eucalypti is shown to represent a new genus closely related to Plagiostoma (Gnomoniaceae, Diaporthales) for which the names Pseudoplagiostoma gen. nov. and Pseudoplagiostomaceae fam. nov. (Diaporthales) are introduced. Two new species of Cryptosporiopsis (Dermateaceae, Helotiales) on Eucalyptus from Australia and California (USA) are also described.

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Phylogeny and taxonomy of the genus Cylindrocladiella

Lombard

Shivas²,

To-anun

et al. 2012

Mycol Progress

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The genus Cylindrocladiella was established to accommodate Cylindrocladium-like fungi that have small, cylindrical conidia and aseptate stipe extensions. Contemporary taxonomic studies of these fungi have relied on morphology and to a lesser extent on DNA sequence comparisons of the internal transcribed spacer regions (ITS 1, 2 and 5.8S gene) of the ribosomal RNA and the β-tubulin gene regions. In the present study, the identity of several Cylindrocladiella isolates collected over two decades was determined using morphology and phylogenetic inference. A phylogeny constructed for these isolates employing the β-tubulin, histone H3, ITS, 28S large subunit and translation elongation factor 1-alpha gene regions resulted in the identification of several cryptic species in the genus. In spite of the 18 new Cylindrocladiella species described in this study based on morphological and sequence data, several species complexes remain unresolved.

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<I>Calonectria</I> species associated with cutting rot of <I>Eucalyptus</I>

Cited by 63 publications

References 42 publications

Two novel species of Calonectria isolated from soil in a natural forest in China

Two novel species of Calonectria isolated from soil in a natural forest in China

Re-evaluation of Cryptosporiopsis eucalypti and Cryptosporiopsis-like species occurring on Eucalyptus leaves

Phylogeny and taxonomy of the genus Cylindrocladiella

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