Leaf spot disease on Tilia cordata caused by the fungus Cercospora microsora

Bernadovičová, S.; Ivanová, H.

doi:10.2478/s11756-008-0003-5

Cited by 4 publications

(1 citation statement)

References 3 publications

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“…Mycosphaerella spp. have been reported to cause leaf spot in different tree species, including Acer ( Funk and Dorworth, 1988 ), Fraxinus ( Wolf and Davidson, 1941 ), Fagus ( Burke et al., 2020 ), and Tilia ( Bernadovičová and Ivanová, 2008 ). In C. butulus , we also detected a high richness of fungal plant pathogenic generalists and high relative abundances of Mycosphaerella ASV14 and the fungal plant pathogenic specialist Erysiphe ASV42 (UNITE name: Erysiphe arcuata ), which has previously been reported as leaf disease pathogen in C. butulus ( Chinan and Mânzu, 2021 ).…”

Section: Discussionmentioning

confidence: 99%

A poisoned apple: First insights into community assembly and networks of the fungal pathobiome of healthy-looking senescing leaves of temperate trees in mixed forest ecosystem

Tanunchai

Schroeter

et al. 2022

Front. Plant Sci.

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Despite the abundance of observations of foliar pathogens, our knowledge is severely lacking regarding how the potential fungal pathobiome is structured and which processes determine community assembly. In this study, we addressed these questions by analysing the potential fungal pathobiome associated with the senescing leaves and needles of 12 temperate tree species. We compared fungal plant pathogen load in the senescing leaves/needles and demonstrated that healthy-looking leaves/needles are inhabited by diverse and distinct fungal plant pathogens. We detected 400 fungal plant pathogenic ASVs belonging to 130 genera. The fungal plant pathogenic generalist, Mycosphaerella, was found to be the potential most significant contributor to foliar disease in seedlings. The analyses of assembly process and co-occurrence network showed that the fungal plant pathogenic communities in different tree types are mainly determined by stochastic processes. However, the homogenising dispersal highly contributes in broadleaf trees, whereas ecological drift plays an important role in coniferious trees. The deterministic assembly processes (dominated by variable selection) contributed more in broadleaf trees as compared to coniferous trees. We found that pH and P level significantly corresponded with fungal plant pathogenic community compositions in both tree types. Our study provides the first insight and mechanistic understanding into the community assembly, networks, and complete taxonomy of the foliar fungal pathobiome in senescing leaves and needles.

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