Phytoplasma Infection in Asclepias Physocarpa

Bertaccini, Assunta; Bellardi, M.G.; Botti, S.; Paltrinieri, Samanta; Restuccia, P.

doi:10.17660/actahortic.2006.722.44

Cited by 4 publications

(5 citation statements)

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“…P. australiense" (16SrXII-B), Tomato big bud (16SrII-E) and Sweet potato little leaf strain V4 (16SrII-D) were all detected in balloon cottonbush (Streten et al 2005). Phytoplasmas belonging to subgroups 16SrI-B (Aster yellows), 16SrIII-B (Clover yellow edge) and 16SrXII-A (Stolbur) were detected in swan plants in Italy (Bertaccini et al 2006;d'Aquilio et al 2002). A subgroup 16SrI-B phytoplasma was also found infecting swan plant in Iran (Babaie et al 2007) and Griffiths et al (1994) characterised a subgroup 16SrIII-B phytoplasma of this host plant in the United States.…”

Section: Phytoplasma Detection and Identificationmentioning

confidence: 99%

New hosts of “Candidatus Phytoplasma australiense” in New Zealand

Liefting¹,

Veerakone²,

Clover³

2011

Australasian Plant Pathol.

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Section: Phytoplasma Detection and Identificationmentioning

confidence: 99%

New hosts of “Candidatus Phytoplasma australiense” in New Zealand

Liefting¹,

Veerakone²,

Clover³

2011

Australasian Plant Pathol.

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“…plants in the Czech Republic (Franova et al, 2004); in less than 50 symptomatic weed samples (belonging to Leucanthemum vulgare, Taraxacum officinale and Crepis biennis species) (Firrao et al, 1996), in three Prunus spp. (cherry) plants (Paltrinieri et al, 2008) and in an undefined number (presumably few samples) of Asclepias physocarpa plants (Bertaccini et al, 2006) in Italy; in an undefined number of Cirsium arvense and Convolvulus arvensis (Palermo et al, 2004) in Hungary; in mixed infection in two naturally infected Trifolium repens plants (Staniulis et al, 2000) and in undefined numbers of Gaillardia spp., Dictamnus albus (Samuitien _ e et al, 2007;Valiunas et al, 2007), Heracleum sosnowskyi (Valiunas et al, 2007), Glycine max and Lupinus spp. (Jomantiene et al, 2000) plants in Lithuania 3.3.2.…”

Section: Pest Distribution In the Eumentioning

confidence: 99%

“…Asclepias physocarpa : severe stunting, associated with rosette‐like symptoms, leaf and vein yellowing (Bertaccini et al., 2006)…”

Section: Appendix a – Symptoms On Plants Other Than Solanum Tuberosummentioning

confidence: 99%

“…P. aurantifolia'-related strains in the EPPO GD (EPPO, 2020) are presented with 'no details'. Czech Republic (Franova et al, 2004(Franova et al, , 2013, Hungary (Palermo et al, 2004); Italy (Firrao et al, 1996;Bertaccini et al, 2006;Paltrinieri et al, 2008); Lithuania (Jomantiene et al, 2000;Staniulis et al, 2000;Samuitien _ e et al, 2007;Valiunas et al, 2007) The pest was reported: in eight symptomatic Echinacea purpurea (Franova et al, 2013) and eight Trifolium spp. plants in the Czech Republic (Franova et al, 2004); in less than 50 symptomatic weed samples (belonging to Leucanthemum vulgare, Taraxacum officinale and Crepis biennis species) (Firrao et al, 1996), in three Prunus spp.…”

Section: Pest Distribution In the Eumentioning

confidence: 99%

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Pest categorisation of the non‐EU phytoplasmas of tuber‐forming Solanum spp.

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 performed a pest categorisation of four phytoplasmas of tuber‐forming Solanum spp. known to occur only outside the EU or having a limited presence in the EU . The only tuber‐forming species of Solanum reported to be phytoplasma infected is S. tuberosum . This opinion covers ‘ Candidatus Phytoplasma americanum’, ‘ Ca . P. aurantifolia’‐related strains ( GD 32; St_ JO _10, 14, 17; PPT ‐ SA ; Rus‐343F; PPT ‐ GTO 29, ‐ GTO 30, ‐ SINTV ; Potato Huayao Survey 2; Potato hair sprouts), ‘ Ca . P. fragariae’‐related strains ( YN ‐169, YN ‐10G) and ‘ Ca . P. pruni’‐related strains (Clover yellow edge; Potato purple top AK pot7, MT 117, AK pot6; PPT ‐ COAHP , ‐ GTOP ). Phytoplasmas can be detected by molecular methods and are efficiently transmitted by vegetative propagation. Phytoplasmas are also transmitted in a persistent and propagative manner by some insects belonging to families within Cicadomorpha, Fulgoromorpha and Sternorrhyncha (order Hemiptera). No transovarial, pollen or seed transmission has been reported. The reported natural host range of the phytoplasmas categorised here varies from restricted (‘ Ca . P. americanum’, and ‘ Ca . P. fragariae’‐related strains) to wide (‘ Ca . P. aurantifolia’‐related strains and ‘ Ca . P. pruni’‐related strains), thus increasing the possible entry pathways in the latter case. S. tuberosum is widely cultivated in the EU . All the categorised phytoplasmas can enter and spread through the trade of host plants for planting, and by vectors. Establishment of these phytoplasmas is not expected to be limited by EU environmental conditions. The introduction of these phytoplasmas in the EU would have an economic impact. There are measures to reduce the risk of entry, establishment, spread and impact. Uncertainties result from limited information on distribution, biology and epidemiology. All the phytoplasmas categorised here meet the criteria evaluated by EFSA to qualify as potential Union quarantine pests, and they do not meet all the criteria to qualify as potential regulated non‐quarantine pests, because they do not occur or are not known to be widespread in the EU . ...

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“…plants in the Czech Republic (Franova et al., 2004); in less than 50 symptomatic weed samples ( Leucanthemum vulgare , Taraxacum officinale and Crepis biennis ) (Firrao et al., 1996), in three Prunus spp. (cherry) plants (Paltrinieri et al., 2008) and in an undefined number (few samples) of Asclepias physocarpa plants (Bertaccini et al., 2006) in Italy; in an undefined number of Cirsium arvense and Convolvolus arvensis (Palermo et al., 2004) in Hungary; in two Trifolium spp. plants and in mixed infections (Staniulis et al., 2000), in an undefined number of Gaillardia sp., Dictamnus albus (Samuitien≐ et al., 2007), Heracleum sosnowskyi , Dictamnus albus (Valiunas et al., 2007), Glycine max and Lupinus spp.…”

Section: Appendix a – Non‐eu Phytoplasmas Of Solanum Tuberosummentioning

confidence: 99%

List of non‐EU phytoplasmas of tuber‐forming Solanum spp.

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 tuber‐forming Solanum spp. A systematic literature review and search of databases identified 12 phytoplasmas infecting S. tuberosum. These phytoplasmas were assigned to three categories. The first group (a) consists of seven non‐EU phytoplasmas, known to occur only outside the EU (‘Candidatus Phytoplasma americanum’, ‘Ca. P. australiense’, ‘Ca. P. fragariae’‐related strain (YN‐169, YN‐10G) and ‘Ca. P. hispanicum’) or having only limited presence in the EU (‘Ca. P. aurantifolia’–related strains, ‘Ca. P. pruni’‐related strains and ‘Ca. P. trifolii’). The second group (b) consists of three phytoplasmas originally described or reported from the EU. The third group (c) consists of two phytoplasmas with substantial presence in the EU, whose presence in S. tuberosum is not fully supported by the available literature. Phytoplasmas of categories (b) and (c) were excluded at this stage from further categorisation efforts. Three phytoplasmas from category (a) (‘Ca. P. australiense’, ‘Ca. P. hispanicum’ and ‘Ca. P. trifolii’) were excluded from further categorisation, as a pest categorisation has already been performed by EFSA. Comments provided by the EU Member States were integrated in the opinion. The main uncertainties of this listing concern: the taxonomy, the geographic distribution and prevalence and host range. The following phytoplasmas considered as non‐EU and whose presence in S. tuberosum is fully supported by literature (category (a)) are categorised by the Panel in a separate opinion: ‘Ca. P. americanum’, ‘Ca. P. fragariae’‐related strain (YN‐169, YN‐10G), ‘Ca. P. aurantifolia’–related strains and ‘Ca. P. pruni’‐related strains.

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Phytoplasma Infection in Asclepias Physocarpa

Cited by 4 publications

References 0 publications

New hosts of “Candidatus Phytoplasma australiense” in New Zealand

New hosts of “Candidatus Phytoplasma australiense” in New Zealand

Pest categorisation of the non‐EU phytoplasmas of tuber‐forming Solanum spp.

List of non‐EU phytoplasmas of tuber‐forming Solanum spp.

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