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Dickeya dianthicola in Western Australia

 
Revisione
Fecha de publicación
Mié, 08 Nov 2017, 02:55
Última actualización
Nov. 8, 2017, 2:55 a.m.
Número del informe
AUS-86/1
País
Australia
Plaga identificada
Dickeya dianthicola - (ERWICD)
Estado del informe
Final
Hospederos
Dickeya dianthicola has been recorded in the following hosts: • dianthus, sweet william, carnation (Dianthus spp.) (Toth et al. 2011) • calla lilly (Zantedeschia) ( Toth et al. 2011) • chrysanthemum (Chrysanthemum spp.) (Elphinstone 2008) • common chicory (Cichorium intybus) (Lan et al 2013) • globe artichoke (Cynara scolymus) (Toth et al 2011, Samson 2005) • garden dahlia (Dahlia variabilis and Dahlia pinnata) (Elphinstone 2008) • yacón (Smallanthus sonchifolius) (Suharjo 2013) • begonia (begonia) (Parkinson 2015) • flaming Katy (Kalanchoe blossfeldiana) (Elphinstone 2008) • showy stonecrop (Sedum spectabile) (Parkinson 2015) • freesia (freesia) (Toth et al. 2011) • hyacinth (Hyacinthus) (Parkinson 2015) • iris (iris) (Toth et al. 2011) • potato (Solanum tuberosum) (Toth et al. 2011)
Pest Status (old values from ISPM 8 -1998 )
  • Present: only in some areas
Pest Status (ISPM 8 - 2021)
  • Present: not widely distributed and under official control
Distribución geográfica
Dickeya dianthicola was initially detected in seed potato crops in Dandaragan and Myalup in Western Australia in June 2017. Further tracing and surveillance detected D. dianthicola in dahlia tubers in Albany, Western Australia. The pest has been detected in two dahlia tuber cultivars and freesia bulbs, which allegedly originated from Victoria. The Victorian plant quarantine authority is undertaking detailed tracing and diagnostic activities, although to date there have been no detections of the pest in Victoria.
Resumen

Eradication of D. dianthicola from Australia is not considered technically feasible. D. dianthicola is a bacterium that is considered to be an important pathogen in seed potato production, where it is known to cause tuber soft rot. It can also infect other crops, including some ornamentals. D. dianthicola can be present in a plant without causing symptoms.

Peligro
D. dianthicola causes soft rot in potatoes. Yield losses have been recorded in potato crops overseas. D. dianthicola is also known to persist in soil and water.
Contacto para obtener más información
Australian Chief Plant Protection Officer Australian Government Department of Agriculture and Water Resources GPO Box 858 Canberra ACT 2601 [email protected]
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