Foliar diseases of Eucalyptus spp. grown for ornamental cut foliage

Barber, P.A.; Smith, I. W.; Keane, P. J.

doi:10.1071/ap02055

Cited by 10 publications

(6 citation statements)

References 1 publication

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“…Muriform, brown conidia were only discovered some weeks later in cultures. In the current study, D. versiformis was found on E. pauciflora and E. camaldulensis for the first time, increasing the host range described by Barber et al (2003). As with D. eucalypti, this study shows that it is likely that this species has a Botryosphaeria teleomorph and Fusicoccum synanamorph yet to be collected and described.…”

Section: Taxonomymentioning

confidence: 74%

“…Dichomera versiformis was described from a single collection of foliage from E. nitens in Tasmania, Australia (Yuan et al 2000). Barber, Smith & Keane (2003) recorded D. versiformis from leaf lesions on an additional five eucalypt species and noted that the fungus was relatively common on eucalypts in Victoria. One specimen (WAC12403) produced in vivo aseptate, hyaline spores typical of a Fusicoccum sp.…”

Section: Taxonomymentioning

confidence: 99%

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Botryosphaeria species from Eucalyptus in Australia are pleoanamorphic, producing Dichomera synanamorphs in culture

Barber

Burgess

Hardy

et al. 2005

Mycological Research

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Species within the genus Botryosphaeria include some of the most widespread and important pathogens of woody plants, and have been the focus of numerous taxonomic studies in recent years. It is currently accepted that anamorphs of Botryosphaeria belong to two distinct genera, Fusicoccum and Diplodia. Species within the genus Fusicoccum commonly produce aseptate, hyaline conidia. In the present study, fungi were isolated from foliage and wood of Eucalyptus in native forests and plantations in Australia. Although these fungi produced Dichomera anamorphs in culture, they clustered within the Fusicoccum clade of Botryosphaeria based on their ITS sequence data. Four species, Botryosphaeria dothidea, B. parva, B. ribis and B. australis produced Dichomera conidia in culture. The Dichomera synanamorphs are described for these four species of Botryosphaeria. In addition, falling within the Fusicoccum clade of Botryosphaeria, two species were found to be distinct from previously described Botryosphaeria spp. based on their ITS sequences, but synonymous with D. versiformis and D. eucalypti. These observations are currently unique to isolates from host trees within the genus Eucalyptus in Australia, and the pleoanamorphic nature of these species is discussed.

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Section: Taxonomymentioning

confidence: 74%

Section: Taxonomymentioning

confidence: 99%

Botryosphaeria species from Eucalyptus in Australia are pleoanamorphic, producing Dichomera synanamorphs in culture

Barber

Burgess

Hardy

et al. 2005

Mycological Research

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“…Although Seimatosporium spp. are very common as foliar pathogens of eucalypts, they are not considered to be as important as some other species of foliar fungi such as Mycosphaerella and Teratosphaeria ( Crous et al 2009c , Barber et al 2003 ). Two of the species found in this study, S. brevicentrum and S. eucalypti , were associated with insects presumably as secondary invaders of leaf tissue damaged by the insects or as endophytes sporulating in necrotic tissue.…”

Section: Discussionmentioning

confidence: 99%

Reassessing Vermisporium (Amphisphaeriaceae), a genus of foliar pathogens of eucalypts

Barber¹,

Crous²,

Groenewald³

et al. 2011

persoonia

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The genus Vermisporium presently accommodates 13 species, 11 of which are associated with leaf spots of eucalypts in the Southern Hemisphere. Vermisporium is chiefly distinguished from Seimatosporium (Amphisphaeriaceae) on the basis of a short exogenous basal appendage, and the absence of a recognisable apical appendage. Due to the increasing importance of these species in native forests, and confusion pertaining to their taxonomy, a revision of the genus was undertaken based on fresh collections and dried herbarium specimens. Results from DNA sequence data analyses of the nrDNA-ITS and 28S nrRNA genes for species of Vermisporium indicated the genus to be a synonym of Seimatosporium. New combinations are introduced in Seimatosporium for several species: S. acutum, S. biseptatum, S. brevicentrum, S. obtusum, S. orbiculare, S. verrucisporum and S. walkeri. An updated key to all species occurring on eucalypts is also provided.

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“…Eucalyptus L'Hér is considered one of the most important plants for the global economy (Turnbull 2000), due to its role in reforestation of degraded areas and production of medicines, furniture, charcoal, paper, honey and as ornamental foliage (Barber et al 2003;Khaekhum et al 2017). Brazil is the largest producer of "eucalyptus" worldwide (IBGE 2018), with over 5 million hectares of this plant in the country (IBGE 2018).…”

Section: Introductionmentioning

confidence: 99%

Fungal communities in different aged leaves of Eucalyptus microcorys F. Muell

2019

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Brazil is the world's largest producer of "eucalyptus" and its highest number of species in the country is located at the "Floresta Estadual Edmundo Navarro de Andrade" (FEENA). Despite the historic and economic importance of this area, little is known about the fungal community associated with Eucalyptus species at FEENA. Here we evaluated the diversity of saprobic fungi in three different stages of Eucalyptus microcorys F. Muell leaf litter. In addition, we compared the saprotrophic fungal community with endophytic fungi of E. microcorys to assess whether endophytes are also found in the leaf litter. We investigated fungal communities using the particle filtration technique coupled with isolation on two culture media. Fungal isolates were clustered into morphospecies and identified using both morphology and DNA sequences. A total of 2558 fungal isolates were obtained, represented by 48 taxa. We report the following five species for the first time for the American continent:

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Foliar diseases of Eucalyptus spp. grown for ornamental cut foliage

Cited by 10 publications

References 1 publication

Botryosphaeria species from Eucalyptus in Australia are pleoanamorphic, producing Dichomera synanamorphs in culture

Botryosphaeria species from Eucalyptus in Australia are pleoanamorphic, producing Dichomera synanamorphs in culture

Reassessing Vermisporium (Amphisphaeriaceae), a genus of foliar pathogens of eucalypts

Fungal communities in different aged leaves of Eucalyptus microcorys F. Muell

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