Fungi infecting woody plants: emerging frontiers

Crous, Pedro W.; Wingfield, Michael J.

doi:10.3767/persoonia.2018.40.00

Cited by 9 publications

(2 citation statements)

References 44 publications

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“…In 2019, nearly 11 million tons of citrus was produced in Europe on approximately 515,000 ha [ 2 ]. Most canker diseases of citrus, as well as further fruit-tree crops, are caused by a broad range of fungal species that infect the wood mainly through winter pruning wounds and a subsequent colonization of vascular tissues [ 3 ]. Several abiotic and biotic factors are considered responsible for rots and gumming on the trunk and main branches in citrus.…”

Section: Introductionmentioning

confidence: 99%

Genetic Diversity and Pathogenicity of Botryosphaeriaceae Species Associated with Symptomatic Citrus Plants in Europe

Bezerra

Crous

Aiello

et al. 2021

Plants

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This study represents the first survey studying the occurrence, genetic diversity, and pathogenicity of Botryosphaeriaceae species associated with symptomatic citrus species in citrus-production areas in five European countries. Based on morphological features and phylogenetic analyses of internal transcribed spacer (ITS) of nuclear ribosomal DNA (nrDNA), translation elongation factor 1-alpha (TEF1) and β-tubulin (TUB2) genes, nine species were identified as belonging to the genera Diplodia, Dothiorella, Lasiodiplodia, and Neofusicoccum. Isolates of Neofusicoccum parvum and Diplodia pseudoseriata were the most frequently detected, while Dothiorella viticola had the widest distribution, occurring in four of the five countries sampled. Representative isolates of the nine Botryosphaeriaceae species used in the pathogenicity tests caused similar symptoms to those observed in nature. Isolates assayed were all re-isolated, thereby fulfilling Koch’s postulates. Isolates of Diplodia pseudoseriata and Diplodia olivarum are recorded for the first time on citrus and all species found in our study, except N. parvum, are reported for the first time on citrus in Europe.

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Section: Introductionmentioning

confidence: 99%

Genetic Diversity and Pathogenicity of Botryosphaeriaceae Species Associated with Symptomatic Citrus Plants in Europe

Bezerra

Crous

Aiello

et al. 2021

Plants

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“…Symptoms of declining tree health and dieback can be caused by a wide range of factors other than poisoning, such as changes in climate (Choat et al, 2018), environmental conditions (Fazan et al, 2017;Madrigal-Gonz alez et al, 2017), mechanical injury (Stoffel et al, 2005;Stoffel and Bollschweiler, 2008;Stoffel and Klinkmüller, 2013), nutrient deficiency (Gessler et al, 2017), defoliating insect attacks (Das et al, 2016;Saulnier et al, 2017;Panzavolta et al, 2018), nematodes (Calvão et al, 2019;Eisenback et al, 2015), fungi (Crous and Wingfield, 2018;Schmidt, 2006), or viruses (Agrios, 2004). Usually, whenever a vascular plant is experiencing stress due to one or several of these factors, it will become less resilient and thereby more susceptible to disease (Anderegg et al, 2015;Camarero et al, 2015;Navarro-Cerrillo et al, 2019).…”

Section: Tree Vitality and The Timing Of Tree Poisoningmentioning

confidence: 99%

When scientists become detectives: investigating systematic tree poisoning in a protected cove

Stoffel

Corona

Cánovas

2020

Heliyon

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The systematic killing of trees is usually aimed at eradicating pests or alien plant species susceptible to harm existing natural ecosystems. In some cases, trees may become the subject of dispute between neighbors, which sometimes ends in tree death after months or years of dispute. In this paper, we analyze a case of clandestine tree killing and look into ways through which evidence left by delinquents can be analyzed a posteriori with state-ofthe-art approaches. The investigation presented here looks at a series of old-growth trees that were supposedly poisoned inside a protected, nineteenth century grove in Switzerland. After the sudden, unexplained death of several old Black poplar (Populus nigra) trees along the main alley in fall 2015 and their subsequent removal, the dying of five additional, neighboring Sycamore maple (Acer pseudoplatanus) and English walnut (Juglans regia) trees in 2016 promptly triggered a suite of criminal investigations at the property. During an initial inspection, a large number of boreholes was found in the root plates of the dying trees. We present findings obtained from treering, wood anatomical and dendrogeochemical investigations performed on root, stem and leave material from the assumedly poisoned trees and show that massive amounts of chemical elementssupposedly in the form organic pesticides with high Al, As, Fe, Cr, Ni contents, aluminum phosphides or glyphosate-based pesticideswere injected into 36 boreholes drilled into the roots around September 2016. Results obtained in this study are currently used in criminal investigations, and are a nice example of how scientific detectives can help their "real World" colleagues in identifying delinquents.

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Different Urban Forest Tree Species Affect the Assembly of the Soil Bacterial and Fungal Community

Zhao

et al. 2021

Microb Ecol

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Fungi infecting woody plants: emerging frontiers

Cited by 9 publications

References 44 publications

Genetic Diversity and Pathogenicity of Botryosphaeriaceae Species Associated with Symptomatic Citrus Plants in Europe

Genetic Diversity and Pathogenicity of Botryosphaeriaceae Species Associated with Symptomatic Citrus Plants in Europe

When scientists become detectives: investigating systematic tree poisoning in a protected cove

Different Urban Forest Tree Species Affect the Assembly of the Soil Bacterial and Fungal Community

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