Auckland Council Biosecurity, Treescape and the New Zealand Arboriculture Association (NZarb) collaborated to hold a kauri dieback workshop for arborists in July.
The workshop was suggested by Martin Herbert, with support from Treescape Environmental (TE) staff Jon Redfern and Erika Commers, and covered kauri dieback symptoms, safe operating procedures and hygiene requirements to prevent the spread of the disease.
The key objective was to educate arborists about working with kauri trees and kauri dieback in the Auckland region.We were fortunate to have two excellent speakers Dr Zoe Lyle and Dr Nick Waipara from the council biosecurity team who were able to show the oospores under the microscope.These spores are the main cause of disease spread via soil movement.
Martin Herbert summarised the advise from the workshop in Treescapes latest newsletter:
"It's important arborists do not work around kauri when the soil is wet and follow cleaning procedures whenever working near these trees. Hygiene procedures require the removal of soil followed by treatment with Trigene (broad spectrum disinfectant which is non-toxic). This can be applied with a hand held spray applicator, or using knapsack sprayers in larger areas. All Treescape staff need to make themselves familiar with kauri work and the Treescape developed environment safe operating procedure".
Like many other industries working around kauri, arboriculture does pose a risk of spreading kauri dieback disease through movement of soil and vegetation. It was great to see such a great turn out to this workshop and passion to 'do the right thing' from so many arborists! Another great story of how we can all work together to 'keep kauri standing'.