Biosecurity Advice – Bacteria Dickeya dianthicola

The plant pest bacteria Dickeya dianthicola has been detected in seed potato and dormant dahlia tubers in Western Australia.

The bacteria has a wide host range  (see below) and presents a wide range of syptoms including soft rots, wilts, stem rot, dwarfing and stunting. Some infections may also be asymptomatic.
  • Begonia
  • Calla lily
  • Carnation
  • Chicory
  • Chrysanthemum
  • Dahlia
  • Dianthus, Sweet William
  • Freesia
  • globe artichoke
  • Hyacinth
  • Iris
  • Kalanchoe, also known as ‘Flaming Katy’‘Christmas kalanchoe’, ‘florist kalanchoe’ and ‘Madagascar widow’s thrill’
  • Potato.

Further information cna be found in the Biosecurity Advice link below.

Biosecurity Advice – D. dianthicola WA Aug 2017