Association of Tobacco Ringspot Virus with a Union Incompatibility of Apple

Lana, Allan Femi; Peterson, J. F.; Rouselle, G. L.; Vrain, T. C.

doi:10.1111/j.1439-0434.1983.tb00037.x

Cited by 12 publications

(6 citation statements)

References 3 publications

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“…During the 2006 growing season, symptomatic leaf samples of an apple (Malus domestica) tree showing yellowing of main veins, mosaic and necrotic lesions ( with TRSV antibodies (Lana et al 1983). Mixed infection in fruit trees is common (Uyemoto and Scott 1992;Choueiri et al 2003); however, the indicator plants used in this experiment did not show any infection when tested by TRSV antibody.…”

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confidence: 76%

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Identification ofTomato ringspot virus(ToRSV) on apple in Iran

Moini

2010

Austral. Plant Disease Notes

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Apple (Malus domestica) showing vein yellowing was identified as a natural host of ToRSV in Iran. Mechanical inoculation of enzyme-linked immunosorbent assay (ELISA)-positive samples on Chenopodium spp. and Nicotiana tabacum induced local lesions and systemic infection, respectively. Transmission from the ToRSV-infected tobacco onto apple seedlings resulted in systemic infection and vein yellowing with positive reaction in ELISA. This is the first report of ToRSV on apple in Iran.

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confidence: 76%

“…Grapevine decline caused by the same virus is economically important in New York, USA (Uyemoto et al 1977) and yellow stripe of lilies is also caused by ToRSV (Kim and Choi 1990). The virus was reported on grapevines from Iran (Pourrahim et al 2004).…”

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confidence: 99%

Identification ofTomato ringspot virus(ToRSV) on apple in Iran

Moini

2010

Austral. Plant Disease Notes

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“…In apple plants, TRSV causes stem pitting, necrosis, and breaking or separation of scion/rootstock at the graft union. Foliage is sparse, and leaves are chlorotic and diffusely mottled (Lana et al, 1983).…”

Section: Symptomsmentioning

confidence: 99%

Commodity risk assessment of Malus domestica plants from United Kingdom

Bragard¹,

Baptista²,

Chatzivassiliou³

et al. 2023

EFS2

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The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as 'High risk plants, plant products and other objects'. This Scientific Opinion covers plant health risks posed by rooted plants in pots, bundles of bare-rooted plants or trees and bundles of budwood and graftwood of Malus domestica imported from the United Kingdom, taking into account the available scientific information, including the technical information provided by the United Kingdom. All pests associated with the commodities were evaluated against specific criteria for their relevance for this opinion. Two quarantine pests (tobacco ringspot virus and tomato ringspot virus), one protected zone quarantine pest (Erwinia amylovora) and four non-regulated pests (Colletotrichum aenigma, Meloidogyne mali, Eulecanium excrescens, Takahashia japonica) that fulfilled all relevant criteria were selected for further evaluation. For E. amylovora, special requirements are specified in Commission Implementing Regulation (EU) 2019/2072. Based on the information provided in the Dossier, the specific requirements for E. amylovora were met. For the remaining six pests, the risk mitigation measures proposed in the technical Dossier from the UK were evaluated considering the possible limiting factors. For the selected pests, expert judgement is given on the likelihood of pest freedom, taking into consideration the risk mitigation measures acting on the pest, including uncertainties associated with the assessment. The degree of pest freedom varies among the pests evaluated, with scales (E. excrescens and T. japonica) being the pests most frequently expected on the imported budwood and graftwood. The Expert Knowledge Elicitation indicated with 95% certainty that between 9,976 and 10,000 bundles (consisting of 50 up to 500 plants each) per 10,000 would be free from the abovementioned scales.

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“…In apple trees, TRSV has been reported as the causal agent of union incompatibility in apple trees in Canada (Lana et al, 1983); however, it is uncertain whether the symptoms are easily recognised during inspections.…”

Section: A34 Evaluation Of the Risk Reduction Optionsmentioning

confidence: 99%

Commodity risk assessment of Malus domestica plants from Ukraine

Bragard¹,

Dehnen‐Schmutz²,

Gonthier³

et al. 2021

EFS2

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The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as 'High risk plants, plant products and other objects'). This Scientific Opinion covers plant health risks posed by 1-to 3-year-old dormant grafted plants and rootstocks of Malus domestica imported from Ukraine, taking into account the available scientific information, including the technical information provided by Ukraine. All pests associated with the commodity were evaluated against specific criteria for their relevance for this opinion. Two quarantine pests (Lopholeucaspis japonica and Tobacco ringspot virus), one protected zone quarantine pest (Erwinia amylovora) and one non-regulated pest (Eotetranychus prunicola) that fulfilled all relevant criteria were selected for further evaluation. For Erwinia amylovora, for which special requirements are specified in Commission Implementing Regulation (EU) 2019/2072, Annex X, item 9, the fulfilment of these requirements was evaluated. Based on the information provided in the dossier, the specific requirements for Erwinia amylovora were not met. For the three remaining selected pests, the risk mitigation measures proposed in the technical dossier from Ukraine were evaluated taking into account the possible limiting factors. For the selected pests, an expert judgement is given on the likelihood of pest freedom taking into consideration the risk mitigation measures acting on the pest, including uncertainties associated with the assessment. The degree of pest freedom varies among the pests evaluated, with Eotetranychus prunicola being the pest most frequently expected on the imported plants. The Expert Knowledge Elicitation indicated with 95% certainty that between 9,912 and 10,000 bundles (consisting of 50 plants each) per 10,000 would be free from Eotetranychus prunicola.

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Association of Tobacco Ringspot Virus with a Union Incompatibility of Apple

Cited by 12 publications

References 3 publications

Identification ofTomato ringspot virus(ToRSV) on apple in Iran

Identification ofTomato ringspot virus(ToRSV) on apple in Iran

Commodity risk assessment of Malus domestica plants from United Kingdom

Commodity risk assessment of Malus domestica plants from Ukraine

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