First Report of ‘<i>Candidatus</i> Phytoplasma phoenicium’ on Almond in Southern Italy

Nigro, Franco; Sion, Valentina; Antelmi, I.; Choueiri, E.; Habib, Wassim; Bruno, Alfonso Sánchez; Boscia, D.

doi:10.1094/pdis-01-19-0157-pdn

Cited by 13 publications

(11 citation statements)

References 5 publications

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“…reported to be present in the EU -Species description: (Davis et al, 2016); Fragaria: (Jomantiene et al, 1998;Fernandez et al, 2015) Species description: (Verdin et al, 2003;EPPO, 2017); Vitis: (Ghayeb Zamharir et al, 2017); Prunus in Italy: (Nigro et al, 2020) 6 Candidatus Phytoplasma pruni Species description and Fragaria: (Hiruki and Wang, 2004); Prunus: (Zirak et al, 2010b); Czech Republik: (Pribylova et al, 2009); Austria: (Borroto Fernandez et al, 2007) 9 Candidatus Phytoplasma ziziphi Species description: (Jung et al, 2003); Malus: (Li et al, 2014); Prunus: (Zhu et al, 1998;Wang et al, 2014Wang et al, , 2018; Prunus in Italy: (Paltrinieri et al, 2006); Olea europea in Italy: (Pasquini et al, 2000) 10 Species description: (Montano et al, 2001); Prunus: (Balakishiyeva et al, 2011) 12 Species description: (Davis et al, 2013); Fragaria: (Jomantiene et al, 2002); in clover and Lithuania (Staniulis et al, 2000) 13 Schneider, 2004;and Morton et al, 2003, it is listed here as Ca. P. pyrirelated strain Species description: (Davis et al, 2013); Pyrus in Croatia: (Jezic et al, 2016); Pyrus in Italy: (Lee et al, 1995); Rubus in UK: (Davies, 2000); Rubus in Poland: (Cieslinska, 2011); Vitis in Croatia: (Jezic et al, 2013); Prunus in Lithuania: (Valiunas et a...…”

Section: Discussionmentioning

confidence: 99%

List of non‐EU phytoplasmas of Cydonia Mill., Fragaria L., Malus Mill., Prunus L., Pyrus L., Ribes L., Rubus L. and Vitis L.

Bragard¹,

Dehnen‐Schmutz²,

Gonthier³

et al. 2020

EFS2

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Following a request from the European Commission, the EFSA Panel on Plant Health prepared a list of non‐EU phytoplasmas of Cydonia Mill., Fragaria L., Malus Mill., Prunus L., Pyrus L., Ribes L., Rubus L. and Vitis L. A systematic literature review and search of databases identified 27 phytoplasmas infecting one or more of the host genera under consideration. These phytoplasmas were assigned to three categories. The first group (a) consists of 10 non‐EU phytoplasmas, known to occur only outside the EU (‘Candidatus Phytoplasma australiense’, ‘Ca. P. hispanicum’, ‘Ca. P. pruni’‐related strain (NAGYIII), ‘Ca. P. pyri’‐related strain (PYLR) and Buckland valley grapevine yellows phytoplasma) or having only limited presence in the EU (‘Ca. P. aurantifolia’‐related strains, ‘Ca. P. fraxini’, ‘Ca. P. phoenicium’, ‘Ca. P. trifolii’ and ‘Ca. P. ziziphi’). The second group (b) consists of three non‐EU phytoplasmas, whose presence in the target plant species is not fully supported by the available literature. The third group (c) consists of 14 phytoplasmas with substantial presence in the EU (i.e. they are originally described or reported from the EU or known to occur or be widespread in some EU Member States or frequently reported in the EU). Phytoplasmas of categories (b) and (c) were excluded at this stage from further categorisation efforts. One phytoplasma from category (a) (‘Ca. P. phoenicium’) was excluded from further categorisation, as a pest risk assessment has been performed by EPPO. Comments provided by the EU Member States were integrated in the opinion. The main uncertainties of this listing concern: the geographic distribution and prevalence, the taxonomy, biology and host range. The phytoplasmas considered as non‐EU and whose presence in target plant species is fully supported by literature (category (a)) are categorised by the Panel in a separate opinion.

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Section: Discussionmentioning

confidence: 99%

List of non‐EU phytoplasmas of Cydonia Mill., Fragaria L., Malus Mill., Prunus L., Pyrus L., Ribes L., Rubus L. and Vitis L.

Bragard¹,

Dehnen‐Schmutz²,

Gonthier³

et al. 2020

EFS2

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“…scoparia , ‘ Ca . P. phoenicium’ caused yellowing, witches’ broom on different parts of the tree, decline, dieback and death (Abou‐Jawdah et al, 2002, 2010; Molino Lova et al, 2011; Salehi et al, 2011, 2015; EPPO, 2017; Nigro et al, 2019).…”

Section: Detectionmentioning

confidence: 99%

“…P. phoenicium’ is reported from Lebanon and Iran and is widespread where Prunus hosts are grown (EPPO, 2017). Recently, it has also been detected in almond plants in South‐East Italy (Nigro et al, 2019).…”

Section: Introductionmentioning

confidence: 97%

PM 7/150 (1) ‘Candidatus Phytoplasma phoenicium’

2021

EPPO Bulletin

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“…Phytoplasma ( Ca . P.) phoenicium’, taxonomic subgroup 16SrIX‐B and its variants, is associated with almond and peach witches'‐broom in Lebanon, Iran and South Italy (Abou‐Jawdah et al., 2003; Molino Lova et al., 2011; Nigro et al., 2020; Salehi et al., 2020; Zirak et al., 2021), and with apricot yellows in Iran (Salehi et al., 2018). ‘ Ca .…”

Section: Introductionmentioning

confidence: 99%

Identification of phytoplasmas in stone fruit (Prunus sp.) and persimmon (Diospyros kaki L.) trees exhibiting leaf alterations and witches'‐broom in Jordan

Alloush,

Tedeschi,

Alma

et al. 2024

Journal of Phytopathology

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During field surveys conducted in 2020 in Jordanian orchards, phytoplasma‐like symptoms (leaf yellowing/reddening and rolling, and witches'‐broom) were observed in three stone fruit species (peach, European plum, sweet cherry) and persimmon. Molecular analyses identified phytoplasma strains belonging to the species ‘Candidatus Phytoplasma solani’ (subgroup 16SrXII‐A) as largely prevalent in stone fruit and persimmon symptomatic plants. Moreover, ‘Ca. Phytoplasma omanense’ (16SrXXIX‐B) was found in few European plum symptomatic plants. In previous studies, such phytoplasma strains were identified in other important crops (almond, pomegranate, and grapevine) and in several putative insect vectors, suggesting their complex ecology in Jordan. Further studies are needed to in‐depth investigate the diffusion of phytoplasma‐associated diseases of stone fruits throughout the Country, to clarify their aetiology, and to study their epidemiological pattern(s).

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First Report of ‘Candidatus Phytoplasma phoenicium’ on Almond in Southern Italy

Cited by 13 publications

References 5 publications

List of non‐EU phytoplasmas of Cydonia Mill., Fragaria L., Malus Mill., Prunus L., Pyrus L., Ribes L., Rubus L. and Vitis L.

List of non‐EU phytoplasmas of Cydonia Mill., Fragaria L., Malus Mill., Prunus L., Pyrus L., Ribes L., Rubus L. and Vitis L.

PM 7/150 (1) ‘Candidatus Phytoplasma phoenicium’

Identification of phytoplasmas in stone fruit (Prunus sp.) and persimmon (Diospyros kaki L.) trees exhibiting leaf alterations and witches'‐broom in Jordan

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