Absence of Phytophthora richardiae

Fecha de publicación
Vie, 11 Abr 2014, 02:00
Última actualización
Jun. 25, 2015, 3:55 p.m.
Número del informe
AUS-63/2
País
Australia
Plaga identificada
Phytophthora richardiae - (PHYTRI)
Estado del informe
Final
Hospederos
-
Estado de la plaga
  • Absent: pest no longer present
Distribución geográfica
Absent
Resumen

Phytophthora richardiae is no longer considered to be present in Australia. Hall (1991) records Phytophthora richardiae as present in New South Wales, citing IMI (1991). However, IMI (1991) only reports that spear rot of asparagus in NSW was caused by a “Phytophthora similar to P. richardiae”. There is also one record for this pathogen in NSW from 1960. In surveys conducted in south-western Australia for pathogens of the noxious weed, Arum lily (Zantedeschia aethiopica), P. richardiae was not found, although the author notes that it had been previously isolated in NSW (Maxwell 1997), without providing further details. All Australian states and territories have confirmed that this species is absent from their jurisdictions, which is supported by routine surveillance activities. Therefore, P. richardiae is now considered to be absent from Australia. According to Scott (2012), P. richardiae would be useful for the biological control of arum lilies in Australia “if it can be rediscovered in Australia”. Hosts of the pest are Asparagus spp., Daucus carota, Daucus carota subsp. sativus, Manihot esculenta, Solanum lycopersicum, Zantedeschia spp. References Hall G (1991) Phytophthora richardiae. IMI Descriptions of Fungi and Bacteria, 107, Sheet 1066. http://www.cabi.org/dfb/?loadmodule=review&page=4048&reviewid=10175&site=159 Accessed May 2013. IMI (International Mycological Institute) (1991) Phytophthora richardiae Buisman. Distribution maps of plant diseases, Map no. 171 (edition 4). CAB International, Wallingford, UK. Maxwell A (1997) The potential for biological control of Zantedeschia aethiopica: a survey of southwestern Australia for pathogens. Proceedings of a workshop on Arum Lily (Zantedeschia aethiopica) HMAS Stirling, Garden Island, Western Australia Thursday 7 August 1997. Scott JK (2012) Zantedeschia aethiopica (L.) Spreng. - arum lily. In: Julien M, McFadyen R, Cullen J (eds) Biological control of weeds in Australia. CSIRO Publishing, Collingwood, Australia.

Peligro
Confirmation of absence
Contacto para obtener más información
Australian Chief Plant Protection Officer Australian Government Department of Agriculture GPO Box 858 Canberra ACT 2601 IPPC.contactpoint@daff.gov.au
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