Pest categorisation of Xanthomonas oryzae pathovars oryzae and oryzicola
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Otros documentos de la autoría: Jeger, Michael; Candresse, Thierry; CHATZIVASSILIOU, ELISAVET; Dehnen-Schmutz, Katharina; Gilioli, Gianni; Grégoire, Jean-Claude; Jaques , Josep A.; MacLeod, Alan; Navajas Navarro, María; Niere, Björn; parnell, stephen; Potting, Roel; Rafoss, Trond; Rossi, Vittorio; Urek, Gregor; van Bruggen, Ariena; van der Werf, Wopke; West, Jonathan; Winter, Stephan; Bragard, Claude; Szurek, Boris; Hollo, Gabor; Caffier, David
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Título
Pest categorisation of Xanthomonas oryzae pathovars oryzae and oryzicolaAutoría
Fecha de publicación
2018-01-18Editor
European Food Safety Authority (EFSA)Cita bibliográfica
JEGER, Michael; CANDRESSE, Thierry; CHATZIVASSILIOU, Elisavet; DEHNEN-SCHMUTZ, Katharina; GILIOLI, Gianni; GRÉGOIRE, Jean-Claude; JAQUES, Josep A.; MACLEOD, Alan; NAVAJAS NAVARRO, María; NIERE, Björn; PARNELL, Stephen; POTTING, Roel; RAFOSS, Trond; ROSSI, Vittorio; UREK, Gregor; VAN BRUGGEN, Ariena; VAN DER WERF, Wopke; WEST, Jonathan; WINTER, Stephan; BRAGARD, Claude; SZUREK, Boris; HOLLO, Gabor; CAFFIER, David (2018). Pest categorisation of Xanthomonas oryzae pathovars oryzae and oryzicola. EFSA Journal, v. 16, n. 1Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.efsa.europa.eu/en/efsajournal/pub/5109Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
The EFSA Panel on Plant Health performed a pest categorisation for
Xanthomonas oryzae
pathovars
oryzae
(Xoo) and
oryzicola
(Xoc), the causal agents of the bacterial blight and the bacterial leaf streak
of rice, ... [+]
The EFSA Panel on Plant Health performed a pest categorisation for
Xanthomonas oryzae
pathovars
oryzae
(Xoo) and
oryzicola
(Xoc), the causal agents of the bacterial blight and the bacterial leaf streak
of rice, respectively. These pathovars are widely distributed in Asia, Africa and Australia. Xoo is also
reported in some states of the USA and in some other countries of America. The identity of both
pathovars is well established and ef
fi
cient identi
fi
cation methods are available. The major host is
cultivated rice (
Oryza sativa)
, but different
Oryza
spp. as well as Poaceae weeds are reported as
alternative hosts, with some uncertainty concerning the actual host range. Both pathovars are seed
associated, despite the fact that seed transmission is still controversial for Xoo. Both pathovars are
already regulated in Directives 2000/29/EC, on harmful organisms for plants, and 66/402/EEC, on the
marketing of cereal seeds. The main pathway for entry is seed. Should these pathovars enter into EU,
they may establish and spread, and they may have an impact on the rice crops, with uncertainties.
The knowledge gaps identi
fi
ed are (1) the quantity of EU importation of rice seeds, (2) the risk of
introduction through unprocessed rice for consumption, (3) the suitability of the EU growing climate
conditions for the bacteria to establish and spread, (4) role of seed transmission (Xoo), (5) the role of
weeds in the epidemiology and especially in seed transmission and dispersal, (6) host range of weeds.
As none of the pathovars is known to occur in the EU, they do not meet one of the criteria for being
considered as Union regulated non-quarantine pests. Nevertheless, both pathovars meet the criteria
assessed by EFSA for consideration as Union quarantine pest. [-]
Publicado en
EFSA Journal (2018), v. 16, n. 1Derechos de acceso
info:eu-repo/semantics/openAccess
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