Robert prince landscape industry conference may 2011
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Transcript of Robert prince landscape industry conference may 2011
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GENDER & AGE
Improve your Plant/Life Balance has attracted a younger market (as desired) with 72% of the
audience being in the 18-35 bracket.
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PLANT/LIFE BALANCE APP
• 5,316 people have registered their plant which demonstrates a huge 26.58% redemption rate from the initial 20,000 plants distributed on March 2nd
• Over 1.3 million views to information we have posted.
Sydney Melbourne
Brisbane Adelaide
• 20,000 plants in 6 key capital city locations on March 2, 2011
• 5,000 Facebook fans within 24 hours of the event• 14,839 Facebook fans in the month following the event
• 78% of engaged audience 18-35 which represents a different audience to that previously engaged by NGIA
• 5,695 people have registered their plant which demonstrates a huge 28% redemption rate from the initial 20,000 plants distributed on March 2• 5,695 people with registered plants is a massive 38% of total Facebook fans
• Improve Your Plant/Life Balance has achieved 1,369,513 News Feed Impressions
Summary
Tactical Campaign 2: Trees & Shrubs over 1m
Tactical Campaign 4: Potted Colour
Myrtle Rust in Australia
Images sourced from DEEDI
Presentation to LAI Conference May 2011
Robert Prince: Chief Executive Officer -NGIA
The most significant threat to Australia’s ecosystems since the arrival of Europeans
The disease will likely infect all Myrtaceous plant species in Australia
Our native biodiversity is threatened at both a flora and fauna level
Myrtle Rust in Australia
Images sourced from DEEDI
Myrtle rust (Uredo rangelii) is a part of the guava rust (Puccinia psidii) or eucalyptus rust complex
The eucalyptus/guava rust complex is native to South America and has subsequently been detected in Central America, Mexico, USA (Florida, Hawaii)
Myrtle Rust in Australia
Images sourced from DEEDI
Myrtle rust infects plants belonging to the Myrtaceae family, the dominant plant species of most Australian forests..
Myrtaceae includes the iconic genera of Eucalyptus, Melaleuca (paperbark), Callistemon (bottlebrush) Leptospermum (tea tree) and Syzygium (lilly pilly).
Myrtle rust infects primarily young growth of host plants
This damages leaves, stems, fruits and reduces growth and vigour – may eventually lead to plant death in some species.
Myrtle Rust in Australia
Myrtle rust can complete its entire life cycle on a single host plant.
High humidity and moderate temperatures (night temperatures of 15−25°C) favour spore germination.
The spores have a short generation time of approximately 10 to 23 days.
The spores can survive for weeks under suitable conditions.
Reference: Threat Specific Contingency Plan, Guava (eucalyptus) rust Puccinia psidii, Plant Health Australia March 2009
Myrtle Rust in Australia
Detected in Central NSW April 2010
National Interim ResponseUndertook surveillance and tracing forward
backward$2 million cost shared by Government (50%
states and 50% commonwealth)480 + infected sites detected in 7 monthsFound outside of linked properties – decision
trigger in October/NovemberDeclared Not Technically Feasible to eradicate
– December 2010
Myrtle Rust in Australia
Photo courtesy NSW I&I
One predictive model for climate
suitability for eucalyptus rust
Booth and Jovanovic, pers. comm. as cited in OCPPO 2006
Distribution in of native species known to have been infected in wild or cultivation. Map courtesy K. Cooper, I&I NSW.
An estimated 20% of total greenlife grown within nursery production is of the Myrtaceous family
Nationally a $3 billion dollar industry could lose more than $600 000 000 in total production
The loss to our urban amenity value could be as high and potentially we could see billions of dollars damage in our natural environment
Plantation forestry a high risk area due to species grown.
Myrtle Rust in Australia
Myrtle rust requires moisture to enable spore germination (minimum 8 hours darkness required for infection to occur).
Symptoms can occur within 5−7 days of infection. Longer in cooler conditions
Spores are generally produced 10−12 days after infection but can occur earlier depending on host, leaf age and environmental conditions.
Rust spores can survive for up to 3 months. Spores can survive attached to clothing, bark etc.
Recognising Myrtle Rust
How to recognise myrtle rust Rust symptoms can appear as spots/lesions that are brown to grey,
often with red-purple haloes, that go the whole way through the leaf. Approximately 10-12 days after infection, spots produce masses of
bright yellow or orange-yellow spores (powdery specks) on the lesion surface.
Photo courtesy NSW I&I
Small purple spots can be early indications of myrtle rust on turpentine (Syncarpia glomulifera)
How to recognise myrtle rust
Photo courtesy NSW I&I
Newly formed bright yellow pustules of myrtle rust on turpentine (Syncarpia glomulifera)
The spores have a distinctive egg-yolk colour, and often appear on the underside of the leaf first.
How to recognise myrtle rustThe spores are bright yellow and can be present on
the upper and lower surface of leaves and shoots.
Photo courtesy NSW I&I
Spores of myrtle rust on turpentine (Syncarpia glomulifera)
How to recognise myrtle rustOlder lesions can be dull yellow/brown - ash in
colour, and although spore masses may have disappeared close examination with a hand lens (x10) can reveal a few spores present on the lesion.
Older lesions of myrtle rust on turpentine (Syncarpia glomulifera)
Infected areas increase in size and often merge with age
Photo courtesy NSW I&I
How to recognise myrtle rustSevere and repeat infection in young trees may
result in death of foliage, shoot tips, and green stems resulting in stunted growth and a bushy growth habit.
Photo courtesy NSW I&I
Severe myrtle rust infection on turpentine (Syncarpia glomulifera) Older lesions
Severe myrtle rust infection on stems and foliage of a scrub turpentine (Rhodamnia rubescens) seedling
How to recognise myrtle rust
Photo courtesy NSW I&I
How to recognise myrtle rust
Photo courtesy NSW I&I
A very serious pathogen to Australia’s natural landscape
National Nursery Industry Myrtle Rust Management PlanStaff management
Production hygieneVector of the pathogen
Import risk assessmentOrigin of greenlifeImport treatment
Surveillance, Monitoring & Inspection
PropertyCropDespatch
Chemical protectionRegistered fungicides (PER12156)Curative/protectantResistance management (rotation)
Managing Myrtle rust
What do you do if you see myrtle rust?
Exotic Plant Pest Hotline1800 084 881
National Nursery Industry Myrtle Rust Management Planwww.ngia.com.au
Issues for the Landscape Industry• Spreading spores through business activities• Unknowingly supply of infected material• Being caught up in new Trade practices regulations re supply of product that is free of disease.• Access onto production nurseries – browse stock.• Amenity projects – opportunities, monitor and replace
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