The EFSA Panel on Plant Health conducted a pest categorisation of cowpea mosaic virus (CPMV) for the EU territory. The identity of CPMV, a member of the genus Comovirus (family Secoviridae), is established and detection and identification methods are available. The pathogen is not included in the Commission Implementing Regulation (EU) 2019/2072. It has been reported from the Americas, and several countries in Africa and Asia and it is not known to be present in the EU in natural conditions. CPMV is considered a major pathogen of cowpea on which it causes symptoms ranging from mild to severe mosaic, chlorosis and necrosis. The virus has been reported sporadically on some other cultivated species of the family Fabaceae, including soybean and some common bean varieties. CPMV is transmitted by cowpea seeds, with uncertainty on the transmission rate. There is uncertainty on seed transmission by other Fabaceae host species due to lack of information. CPMV is also transmitted by several beetle species, one of which, Diabrotica virgifera virgifera, is present in the EU. Seeds for sowing of cowpea are identified as the major entry pathway. The cultivated area and production of cowpea in the EU territory are mainly limited to local varieties cultivated at a small scale in Mediterranean EU Member States. Should the pest establish in the EU, an impact is expected on cowpea crops at local scale. There is high uncertainty on the potential impact that CPMV would cause on other natural hosts cultivated in the EU due to the lack of information from the areas of CPMV's current distribution. Despite the uncertainty concerning the potential impact on bean and soybean crops in the EU, CPMV satisfies the criteria that are within the remit of EFSA to assess for it to be regarded as a potential Union quarantine pest.

Pest categorisation of cowpea mosaic virus / Bragard, Claude; Baptista, Paula; Chatzivassiliou, Elisavet; Gonthier, Paolo; Jaques Miret, Josep Anton; Justesen, Annemarie Fejer; Macleod, Alan; Magnusson, Christer Sven; Milonas, Panagiotis; Navas-Cortes, Juan A; Parnell, Stephen; Potting, Roel; Stefani, Emilio; Thulke, Hans-Hermann; Van der Werf, Wopke; Civera, Antonio Vicent; Yuen, Jonathan; Zappalà, Lucia; Streissl, Franz; Carluccio, Anna Vittoria; Chiumenti, Michela; Di Serio, Francesco; Rubino, Luisa; Reignault, Philippe Lucien. - In: EFSA JOURNAL. - ISSN 1831-4732. - 21:2(2023), pp. e07847-e07847. [10.2903/j.efsa.2023.7847]

Pest categorisation of cowpea mosaic virus

Stefani, Emilio;
2023

Abstract

The EFSA Panel on Plant Health conducted a pest categorisation of cowpea mosaic virus (CPMV) for the EU territory. The identity of CPMV, a member of the genus Comovirus (family Secoviridae), is established and detection and identification methods are available. The pathogen is not included in the Commission Implementing Regulation (EU) 2019/2072. It has been reported from the Americas, and several countries in Africa and Asia and it is not known to be present in the EU in natural conditions. CPMV is considered a major pathogen of cowpea on which it causes symptoms ranging from mild to severe mosaic, chlorosis and necrosis. The virus has been reported sporadically on some other cultivated species of the family Fabaceae, including soybean and some common bean varieties. CPMV is transmitted by cowpea seeds, with uncertainty on the transmission rate. There is uncertainty on seed transmission by other Fabaceae host species due to lack of information. CPMV is also transmitted by several beetle species, one of which, Diabrotica virgifera virgifera, is present in the EU. Seeds for sowing of cowpea are identified as the major entry pathway. The cultivated area and production of cowpea in the EU territory are mainly limited to local varieties cultivated at a small scale in Mediterranean EU Member States. Should the pest establish in the EU, an impact is expected on cowpea crops at local scale. There is high uncertainty on the potential impact that CPMV would cause on other natural hosts cultivated in the EU due to the lack of information from the areas of CPMV's current distribution. Despite the uncertainty concerning the potential impact on bean and soybean crops in the EU, CPMV satisfies the criteria that are within the remit of EFSA to assess for it to be regarded as a potential Union quarantine pest.
2023
21
2
e07847
e07847
Pest categorisation of cowpea mosaic virus / Bragard, Claude; Baptista, Paula; Chatzivassiliou, Elisavet; Gonthier, Paolo; Jaques Miret, Josep Anton; Justesen, Annemarie Fejer; Macleod, Alan; Magnusson, Christer Sven; Milonas, Panagiotis; Navas-Cortes, Juan A; Parnell, Stephen; Potting, Roel; Stefani, Emilio; Thulke, Hans-Hermann; Van der Werf, Wopke; Civera, Antonio Vicent; Yuen, Jonathan; Zappalà, Lucia; Streissl, Franz; Carluccio, Anna Vittoria; Chiumenti, Michela; Di Serio, Francesco; Rubino, Luisa; Reignault, Philippe Lucien. - In: EFSA JOURNAL. - ISSN 1831-4732. - 21:2(2023), pp. e07847-e07847. [10.2903/j.efsa.2023.7847]
Bragard, Claude; Baptista, Paula; Chatzivassiliou, Elisavet; Gonthier, Paolo; Jaques Miret, Josep Anton; Justesen, Annemarie Fejer; Macleod, Alan; Magnusson, Christer Sven; Milonas, Panagiotis; Navas-Cortes, Juan A; Parnell, Stephen; Potting, Roel; Stefani, Emilio; Thulke, Hans-Hermann; Van der Werf, Wopke; Civera, Antonio Vicent; Yuen, Jonathan; Zappalà, Lucia; Streissl, Franz; Carluccio, Anna Vittoria; Chiumenti, Michela; Di Serio, Francesco; Rubino, Luisa; Reignault, Philippe Lucien
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