Occurrence of Erysiphecorylacearum causing powdery mildew of Corylusavellana in Romania

Chinan, Vasilică‐Claudiu; Manzu, Ciprian

doi:10.1111/efp.12681

Cited by 2 publications

(3 citation statements)

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“…Given that ITS-based identification is not always sufficient for the precise identification of powdery mildew species [ 33 ] and considering that the majority of previous studies on E . corylacearum were based exclusively on the ITS molecular characterization [ 8 , 10 – 13 , 15 , 18 ], we undertook identification using also other loci [ 24 ]. The GS phylogenetic analyses grouped all 36 isolates with E .…”

Section: Discussionmentioning

confidence: 99%

“…After Turkey, it further spread on hazelnut from the Middle East i.e. Iran [ 8 ] to East Europe (Ukraine [ 9 ], Romania [ 10 ]), Central Europe (Austria [ 11 ], Hungary [ 12 ], Germany [ 13 ], Slovenia [ 14 ], Switzerland [ 15 ]), and Southern Europe (Italy [ 16 ] and Spain [ 17 ]). Regarding Italy, it was reported for the first time in the Piedmont region in 2020 [ 16 , 18 ].…”

Section: Introductionmentioning

confidence: 99%

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Powdery mildew caused by Erysiphe corylacearum: An emerging problem on hazelnut in Italy

Matić,

Caruso,

D’Errico

et al. 2024

PLoS ONE

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Erysiphe corylacearum has recently been reported in northern Italy (Piedmont) and other European countries as the causal agent of a new emerging powdery mildew on hazelnut. This disease is much more dangerous than the common hazelnut powdery mildew caused by Phyllactinia guttata as it significantly reduces yield and quality of hazelnuts. This study aimed to perform morphological and molecular characterization of the fungal isolates from powdery mildew-infected plants in the Piedmont Italian region. Additionally, genetic diversity studies and pathogenicity tests were conducted. Thirty-six fungal isolates originating from symptomatic hazelnut plants exhibiting specific powdery mildew symptoms on the superior leaf side were identified morphologically as E. corylacearum. Single- and multilocus sequence typing of five loci (ITS, rpb2, CaM, GAPDH and GS) assigned all isolates as E. corylacearum. Multilocus and GAPDH phylogenetic studies resulted in the most efficient characterization of E. corylacearum. Studied fungal isolates were able to cause new emerging powdery mildew disease by fulfilling Koch’s postulates. The emergence of powdery mildew disease in Italy revealed the E. corylacearum subgrouping, population expansion, and high nucleotide similarity with other recently identified E. corylacearum hazelnut isolates. To contain this harmful disease and inhibit the fungus spread into new geographical zones, it will be necessary to implement more rigorous monitoring in neighboring hazelnut plantations near infected hazelnuts, use sustainable fungicides and search for new biocontrol agents.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Powdery mildew caused by Erysiphe corylacearum: An emerging problem on hazelnut in Italy

Matić,

Caruso,

D’Errico

et al. 2024

PLoS ONE

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“…У 2013 р. він був зареєстрований в Туреччині (Sezer et al, 2017(Sezer et al, , 2019, у 2016 р. в Азербайджані (Abasova et al, 2018), у 2017 р. в Ірані (Arzanlou et al, 2018;Khodaparast et al, 2019), у 2018 р. в Грузії (Meparishvili et al, 2019). За останні роки поширився в Європі -Швейцарії (Beenken et al, 2019), Австрії (Voglmayr et al, 2020), Білорусі (Lemeza et al, 2020), Італії (Mezzalama et al, 2020), Румунії (Chinan, Mânzu, 2021;Rosati et al, 2021) та Угорщині (Kalmár et al, 2022). Було відзначено, що в Туреччині ця борошниста роса дуже швидко охопила причорноморський регіон, завдаючи там значної шкоди насадженням ліщини.…”

Section: Erysiphe Corylacearum U Braun and S Takam -еризифе ліщиноваunclassified

A critical revision of the powdery mildew fungi (Erysiphaceae, Ascomycota) of Ukraine: Erysiphe sect. Microsphaera

Heluta¹

2023

Ukr. Bot. J.

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The article continues a series of critical reviews of the species composition of powdery mildew fungi (Erysiphaceae, Helotiales, Ascomycota) of Ukraine and their distribution within the country. This article deals with species of the section Microsphaera of the genus Erysiphe. These species are distinguished by fruiting bodies that have non-mycelioid appendages with dichotomously branched apices. A list of 36 species of the section Microsphaera recorded in Ukraine with their distribution by regions is provided, as well as a key for their identification. The most common species frequently occurring in many regions of Ukraine are E. alphitoides, E. astragali, E. berberidis, E. divaricata, E. ehrenbergii, E. euonymi, E. ornata var. europaea, E. palczewskii, E. syringae-japonicae, and E. trifoliorum. Other species, such as E. baeumleri, E. elevata, E. euonymicola, E. friesii, E. grossulariae, E. hyperici, E. hypophylla, E. ornata var. ornata, E. penicillata, E. pseudoacaciae, E. robiniae, E. syringae, E. tortilis, E. vanbruntiana, and E. viburni, were recorded less often. Erysiphe azaleae, E. begoniicola, E. corylacearum, E. deutziae, E. gorlenkoi, E. guarinonii, E. magnifica, E. magnusii, E. platani, E. rayssiae, E. russellii, and E. symphoricarpi are known only from some localities. A number of species are invasive fungi mostly recorded in Ukraine relatively recently, within the last hundred years. Of them, E. alphitoides, E. palczewskii, E. syringae-japonicae, and E. vanbruntiana have become common species in Ukraine. Erysiphe azaleae, E. elevata, and E. platani can massively develop in certain regions or localities. The recently registered E. corylacearum is apparently becoming widespread in the Carpathians, E. ravenelii and E. symphoricarpi at present frequently occur in Kyiv. Some species, such as E. begoniicola, E. deutziae, E. euonymicola, E. guarinonii, E. magnifica, and E. russellii, are known from a few localities; however, in Kyiv magnolias are commonly infected by E. magnifica. At the same time, the North American species E. syringae has disappeared in Ukraine since the East Asian fungus E. syringae-japonicae started to spread on lilac. The indigenous fungus E. robiniae has also ceased to occur on Caragana arborescens, being completely replaced by the East Asian species E. palczewskii.

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Occurrence of Erysiphecorylacearum causing powdery mildew of Corylusavellana in Romania

Cited by 2 publications

References 5 publications

Powdery mildew caused by Erysiphe corylacearum: An emerging problem on hazelnut in Italy

Powdery mildew caused by Erysiphe corylacearum: An emerging problem on hazelnut in Italy

A critical revision of the powdery mildew fungi (Erysiphaceae, Ascomycota) of Ukraine: Erysiphe sect. Microsphaera

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