Kauri – About Kauri Kauri are one of the largest rainforest trees on earth They are to New Zealand what the pyramids are to Egypt and Stonehenge is to England They're worth more than tourism, it's about our identity KAURI DIEBACK PROGRAMME PARTNERS The creation myth Rangi and Papa clung together, trapping the children they had made in a land of darkness. The strongest child Tane mahuta pushed his parents apart to bring light to the land and allow his children to flourish.

The Te Roroa iwi of Waipoua forest believe Tane's legs were the giant trunks of kauri.

What is Kauri Dieback?

Kauri dieback is the disease caused by Phytophthora Taxon Agathis (PTA). Identified in 2008 as a distinct and previously undescribed species of Phytophthora. Kauri dieback is specific to New Zealand kauri and can kill trees of all ages.

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Where is it?

On site Potentially Present In • • • • • • Any Kauri tree Any plant Leaf and Forest litter Soil and Subsoil Ground water Bird and Animal faeces KAURI DIEBACK PROGRAMME PARTNERS

Where is it?

On site • • • • • • Potentially Present In Any Kauri tree Any plant Leaf and Forest litter Soil and Subsoil Ground water Bird and Animal faeces Can only be detected by microscopic examination 4 to 6 week test period

ASSUME THAT PTA IS PRESENT

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Where is it?

Regionally Red = confirmed Yellow = suspect KAURI DIEBACK PROGRAMME PARTNERS

How does it Live?

Oospore Zoospore KAURI DIEBACK PROGRAMME PARTNERS

Why Are NZTA Involved?

29 Oct. SH12-89-11.285

North bound lane on a sharp corner collapsed into a stream. Slip height – 6 to 8m Length – 30+ m No other way to reopen to two lanes other than to reinstate the highway on site KAURI DIEBACK PROGRAMME PARTNERS

Why Are NZTA Involved?

Event occurred in Waipoua Forest Reserve Forest Sanctuary co managed by Te Roroa and DOC An area where the PTA Kauri Die Back disease is found. Response and reinstatement needs to deal with potentially contaminated soil KAURI DIEBACK PROGRAMME PARTNERS

How do We Kill It?

Oospore Cook at +70c for 20 mins.

Zoospore KAURI DIEBACK PROGRAMME PARTNERS

How do We Kill It?

Oospore Zoospore Cook at +70c for 20+ mins.

40-50 microns in size Resistant to: Pesticides Heat and Cold Lies dormant for 20+ years Carried in soil, vegetation, faeces Can be hidden in between soil particles KAURI DIEBACK PROGRAMME PARTNERS

How do We Kill It?

Oospore Zoospore Cook at +70c for 30 mins.

Resistant to: Pesticides Heat Cold Lies dormant for 20+ years Carried in soil, vegetation, faeces Use Trigene Disinfectant 10 to 20 micron in size Broad spectrum disinfectant non-toxic, non-corrosive, biodegradable and environmentally friendly. KAURI DIEBACK PROGRAMME PARTNERS

How do we Contain it?

Without any treatment or control tools the only way is to contain the disease and stop the spread.

• Make sure shoes, tyres and equipment are cleaned to remove all soil and plant material BEFORE AND AFTER visiting kauri forest • Use cleaning stations to scrub to remove all soil and spray with disinfectant.

• Stay on the highway and off kauri roots KAURI DIEBACK PROGRAMME PARTNERS

How do we Contain it?

Without any treatment or control tools the only way is to contain the disease and stop the spread.

• Collect all material arising's and spoil from site • • Take to secure landfill site licensed for PTA OR - Use excavated material on site – take nothing away KAURI DIEBACK PROGRAMME PARTNERS

Kauri Dieback - Contacts Ian Mitchell Relationship Manager for the Kauri Dieback Management Programme 029 894 0773 Jeanie McInnes Biosecurity Officer; Waikato Regional Council 07 859 0706 KAURI DIEBACK PROGRAMME PARTNERS Graeme Weavers Biosecurity Specialist; Northland Regional Council 09 470 1130 Stacey Hill Biosecurity Advisor; Auckland Council 09 367 4288