Botryosphaeriaceae occurring on native <i>Syzygium cordatum</i> in South Africa and their potential threat to <i>Eucalyptus</i>

Pavlic, Draginja; Slippers, Bernard; Coutinho, Teresa A.; Wingfield, M.J.

doi:10.1111/j.1365-3059.2007.01608.x

Cited by 105 publications

(157 citation statements)

References 26 publications

(32 reference statements)

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“…In South Africa, B. dothidea, has been reported previously from Acacia spp., Eucalyptus spp., Podocarpus spp., Syzygium spp. and Heteropyxis natalensis (Pavlic et al 2007;Slippers et al 2013;Smith et al 2001). Likewise, N. parvum has been found on S. cordatum, Eucalyptus spp., and T. catappa (Begoude et al 2010;Pavlic et al 2007;Slippers et al 2004).…”

Section: Discussionmentioning

confidence: 94%

“…Hosts include native trees such as Terminalia catappa (Myrtales: Combretaceae) (Begoude et al 2010), Pterocarpus angolensis (Fabales: Fabaceae) (Mehl et al 2011), Syzygium cordatum (Myrtales: Myrtaceae) (Pavlic et al 2007), Acacia melifera (Fabales: Fabaceae) , A. karroo (Jami et al 2012), and woody species of Leucadendron, Leucospermum and Protea (Proteales: Proteaceae) (Denman et al 2003). Non-native hosts of the Botryosphaeriaceae in South Africa include Pinus Rosaceae), and Vitis vinifera (Vitales: Vitaceae) (Damm et al 2007a;Smith et al 1996a;Van Niekerk et al 2004).…”

Section: Introductionmentioning

confidence: 99%

“…(Damm et al 2007a;Denman et al 2003;Pavlic et al 2007Pavlic et al , 2009aPillay et al 2013;Smith et al 1996a;Van Niekerk et al 2004). Some Botryosphaeriaceae can also infect a variety of native hosts and examples include Dothiorella dulcispinae Jami, Gryzenh., Slippers catappa and S. cordatum (Begoude et al 2010;Mehl et al 2011;Pillay et al 2013), and N.…”

Section: Introductionmentioning

confidence: 99%

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Botryosphaeriaceae species overlap on four unrelated, native South African hosts

et al. 2014

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The Botryosphaeriaceae represents an important and diverse family of latent fungal pathogens of woody plants. While some species appear to have wide host ranges, others are reported only from single hosts. It is, however, not clear whether apparently narrow host ranges reflect specificity or if this is an artifact of sampling. We address this question by sampling leaves and branches of native South African trees from four different families, including Acacia karroo (Fabaceae), Celtis africana (Cannabaceae), Searsia lancea (Anacardiaceae) and Gymnosporia buxifolia (Celastraceae). As part of this process, two new species of the Botryosphaeriaceae, namely Tiarosporella africana sp. nov. and Aplosporella javeedii sp. nov., emerged from sequence comparisons based on the ITS rDNA, TEF-1α, β-tubulin and LSU rDNA gene regions. An additional five known species were identified including Neofusicoccum parvum, N. kwambonambiense, Spencermartinsia viticola, Diplodia pseudoseriata and Botryosphaeria dothidea. Despite extensive sampling of the trees, some of these species were not isolated on many of the hosts as was expected. For example, B. dothidea, which is known to have a broad host range but was found only on A. karroo. This could have resulted from the fact that it is a rare species in the region. With the exception of S. lancea, which was infected by A. javeedii all the hosts were infected by more than one Botryosphaeriaceae species. Collectively, the results suggest that some intrinsic host factors, possibly combined with local environmental conditions, affect the distribution and co-infectivity of various hosts by the Botryosphaeriaceae. 2This would counteract the general ability of a species in the Botryosphaeriaceae to infect a broad range of plants. The combination of host and environmental factors might also explain why some Botryosphaeriaceae with apparently broad host ranges, are found on different suites of hosts in different areas of the world.

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Section: Discussionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Botryosphaeriaceae species overlap on four unrelated, native South African hosts

et al. 2014

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“…The majority of isolates tested showed no significant difference in lesion development on excised E. globulus stems, and the variability observed was not related to the fungal species. Pathogenic variation within species of Botryosphaeriaceae has been shown in Neoscytalidium novaehollandiae towards Mangifera indica , N. australe towards Eucalyptus gomphocephala and Lasiodiplodia gonubiensis towards Eucalyptus grandis X camaldulensis (Pavlic et al, 2007). The reasons for this variation remain to be elucidated and may lie in further studies investigating pathogen genes and their expression such as studies involving pathogenicity genes in Candida spp.…”

Section: Discussionmentioning

confidence: 99%

Use of the Genealogical Sorting Index (GSI) to delineate species boundaries in the Neofusicoccum parvum–Neofusicoccum ribis species complex

Sakalidis

Hardy

Burgess

2011

Molecular Phylogenetics and Evolution

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“…However, attempts to isolate these fungi as endophytes by Vermeulen et al (2011) were not successful. This might be explained by the fact that isolations on agar could have been overgrown by more rapidly developing fungi such as for example the Botryosphaeriaceae, which are common endophytes in Angiosperm trees including the Myrtales (Pavlic et al 2007;Roux et al 2000Roux et al , 2001Smith et al 1996b;Slippers and Wingfield 2007 (Gryzenhout et al 2004;Rodas et al 2005;Wingfield et al 2001). Thus, placing branch samples with considerable surface area into moistened florist foam, allowing the samples to dry out slowly over a number of months, stimulated the Cryhonectriaceae present to develop and sporulate.…”

Section: Discussionmentioning

confidence: 99%

Endophytic Cryphonectriaceae on native Myrtales: Possible origin of Chrysoporthe canker on plantation-grown Eucalyptus

Maússe-Sitoe

Rodas²,

Wingfield

et al. 2016

Fungal Biology

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Chrysoporthe austroafricana (Cryphonectriaceae) is a damaging canker pathogen onEucalyptus species in Southern Africa. Recent studies have shown that the fungus occurs on native Syzygium species and that it has apparently undergone a host range expansion from these native trees to infect non-native Eucalyptus. The aim of this study was to consider whether C. austroafricana and other Cryphonectriaceae might exist as endophytes in native Myrtaceae, providing a source of inoculum to infect non-native Myrtales. Healthy branches were collected from Myrtaceae in 1 Mozambique, incubated in florist foam, allowed to dry gradually and monitored for the appearance of fruiting bodies resembling species in the Cryphonectriaceae.Isolates were identified based on DNA sequence data. Two species in the Cryphonectriaceae were obtained, representing the first evidence that species in the Cryphonectriaceae occur as endophytes on native Myrtales, thus providing a source of inoculum to infect non-native and susceptible trees. This has important implications regarding the movement of planting stock used by ornamental tree and forestry enterprises.

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Botryosphaeriaceae occurring on native Syzygium cordatum in South Africa and their potential threat to Eucalyptus

Cited by 105 publications

References 26 publications

Botryosphaeriaceae species overlap on four unrelated, native South African hosts

Botryosphaeriaceae species overlap on four unrelated, native South African hosts

Use of the Genealogical Sorting Index (GSI) to delineate species boundaries in the Neofusicoccum parvum–Neofusicoccum ribis species complex

Endophytic Cryphonectriaceae on native Myrtales: Possible origin of Chrysoporthe canker on plantation-grown Eucalyptus

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