Hazelnut disease: Crown gall
Soil-borne bacteria of the genera Agrobacterium and Allorhizobium cause crown gall, producing rough, woody swellings on the roots or crown of infected plants.

The 24th International Seaweed Symposium (ISS) will be held for the first time in Australia. It will take place in Hobart, Tasmania, Australia’s most southern state, from Sunday 19th to Friday 24th February 2023. The event will also be facilitated online for those who aren’t able to travel and still wish to participate.
For program, ticketing and general information, please visit the ISS website by clicking the link below.
Find out more
19 - 24 February 2023
Hobart and online
For program, ticketing and general information, please visit the ISS website.