Stem cankers on Swedish biomass willows caused by Cryptodiaporthe salicella and other fungi

Åström, Boel; Ramstedt, Mauritz

doi:10.1111/j.1439-0329.1994.tb00996.x

Cited by 6 publications

(3 citation statements)

References 6 publications

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“…Blue-strain fungus Ophiostoma spp. enters wood through frost cracks [67,[70][71][72]; Phoma herbarum has been reported to cause stem cankers via bark wounds and injuries as entry points [66,68,73]. Lastly, frost cracks could have contributed to the establishment of the infection of Chondrostereum purpureum, the most abundant white rot-causing basidiomycete in our data set, as bark lesions and other mechanical damage contribute to infection with this fungus [74,75].…”

Section: Discussionmentioning

confidence: 80%

“…Although none of the detected fungal genera directly corresponded to frost crack incidence or presence (Table 4), the ecology of several of the detected taxa is closely related to frost crack or other bark injuries [66][67][68]. Regarding Fusarium spp., one of the dominant plant pathogens in our data set, several studies have found associations between Fusarium canker development in aspens and bark wounds, such as pruning wounds, frost cracks, insect damage, and even beaver feeding ( [69] and references therein).…”

Section: Discussionmentioning

confidence: 98%

“…Regarding Fusarium spp., one of the dominant plant pathogens in our data set, several studies have found associations between Fusarium canker development in aspens and bark wounds, such as pruning wounds, frost cracks, insect damage, and even beaver feeding ( [69] and references therein). Åström and Ramstedt (1994) [66] reported it as a secondary pathogen on frost crack-affected willows, suggesting that it can contribute to canker or other stem disease development that could lead to reduced wood quality. Other genera observed at a low frequency also indicated some connection to bark damage: Didymella, Apiospora, and Ascocoryne.…”

Section: Discussionmentioning

confidence: 99%

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Frost Cracks Show a Slight Effect on Fungal Richness in Stem Wood of Hybrid Aspen Trees in Latvia

Kļaviņa,

Matisons,

Auniņa

et al. 2023

Diversity

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Hybrid aspen Populus tremula L. × Populus tremuloides Michx. is fast-growing and a potential source of biomass for bioenergy production in Europe. However, knowledge about the phytopathological risks to hybrid aspen clones, particularly about frost crack damage as a possible infection gateway of fungal infections, is scarce. Five clones, represented by 205 trees from three trials in Latvia, were studied; two wood samples (at root collar and 1.3 m height) were obtained from each tree. Wood-inhabiting fungi were isolated and identified by the morphology and sequencing of the ITS region with fungal-specific primers, and fungal communities were compared using PERMANOVA. Fungal communities from trees with stem cracks were richer in species, especially pathogens, and species richness was higher in samples collected at 1.3 m height. Plant pathogens were isolated from 52% of all samples. Soft rot-causing Alternaria and Fusarium were dominant; Alternaria was more common at the height of 1.3 m, while Fusarium was more common at the root collar. White rot fungi were isolated from less than 2% of all samples, indicating a low degree of tree infection in the 15- to 16-year-old plantations. Clonal differences were not significant for fungal communities in general; nevertheless, for the occurrence of the genus Cladosporium, clonal differences were observed. In conclusion, the differences in fungal communities in relation to stem cracks implied only indirect clonal effects on phytopathological risks, emphasizing the resistance to stem cracking as a crucial trait for the sustainability of hybrid aspen plantations.

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Section: Discussionmentioning

confidence: 80%

Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

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Frost Cracks Show a Slight Effect on Fungal Richness in Stem Wood of Hybrid Aspen Trees in Latvia

Kļaviņa,

Matisons,

Auniņa

et al. 2023

Diversity

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Short‐rotation Woody Crop Biomass Production for Bioenergy

Kiser

Fox

2013

Biofuel Crop Sustainability

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The susceptibility of European tree species to invasive Asian pathogens: a literature based analysis

2016

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Alien invasive pathogens have caused numerous disastrous epidemics around the globe during the last two centuries. The frequency of these catastrophes has increased in parallel with the increase of international plant trade. Effective control of the risks requires understanding of factors governing vulnerability of indigenous plants. We tested whether the threat caused by alien pathogens of Asian origin is random among various tree species in Europe or whether it relates to their distribution range. A database including distribution ranges of 75 European tree species and literature-derived information on their susceptibility to invasive forest pathogens (IFPs) of Asian origin was compiled. Analysis on this database indicated that the susceptibility to Asian pathogens is significantly more common among tree species that occur only within Europe than among species with distributional ranges from Europe to Siberia (disease susceptibility percentage, DSP, 52 and 19 %, respectively). Notably, all severely attacked tree species are strictly European while tree species with distribution ranges extending from Europe to Siberia show at most only mild or moderate symptoms of Asian IFPs.Furthermore, the proportion of European broadleaf tree species susceptible to Asian IFPs is significantly higher than that of conifer species. Our results suggest that in Europe, Asian pathogens cause a higher risk to temperate and Mediterranean forests, largely composed of broadleaved species with distributional ranges restricted to Europe, than to boreal forests dominated by conifers distributed to Siberia.Keywords Invasive forest pathogens (IFPs) Á Forest Á Europe Á Asia Á Distribution range Á Fungi Electronic supplementary material The online version of this article (

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Stem cankers on Swedish biomass willows caused by Cryptodiaporthe salicella and other fungi

Cited by 6 publications

References 6 publications

Frost Cracks Show a Slight Effect on Fungal Richness in Stem Wood of Hybrid Aspen Trees in Latvia

Frost Cracks Show a Slight Effect on Fungal Richness in Stem Wood of Hybrid Aspen Trees in Latvia

Short‐rotation Woody Crop Biomass Production for Bioenergy

The susceptibility of European tree species to invasive Asian pathogens: a literature based analysis

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