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The 19Th Australasian Plant Pathology Conference 25-28 November 2013 Owen G Glenn Building University of Auckland Auckland, New Zealand THE 19TH AUSTRALASIAN PLANT PATHOLOGY CONFERENCE ABSTRACT AND PROGRAMME BOOK Gold Sponsor Gold Sponsor Bronze Sponsor Thank you to our conference sponsors Gold Sponsor Student Presentation Sponsor Gold Sponsor Student Poster Sponsor Bronze Sponsor Ross Beaver Memorial Keynote Sponsor Workshop Sponsor Sponsor Lanyard Sponsor Conference Sponsor Exhibitor Exhibitor Exhibitor Satchel Insert WWW.APPS2013.CO.NZ Welcome On behalf of the North Island branch of the Australasian Plant Pathology Society and the Conference organising committee, I would like to welcome you to the 19th Biennial Australasian Plant Pathology Conference. We have made a concerted effort to put together an exciting programme on “protecting our crops and native flora”, with excellent keynote speakers, offered papers and posters. Our eight themes are designed to cover every aspect of plant pathology, and to include talks and posters from nematologists, mycologists, bacteriologists and virologists so that we can learn from progress made in each other’s sub-disciplines. We thank the members of our society who are organizing eight workshops, including two field studies, to further facilitate interaction and learning. We trust you enjoy the City of Sails, Auckland, and get a chance to experience this first hand after the conference on the numerous cruises, charter yachts and ferries that criss-cross the Waitemata Harbour, as well as other sources of scenic beauty in Auckland and throughout New Zealand. Kerry Everett APPS 2013 Conference Convenor Contents Welcome ........................................................................................................................................3 The 19th Australasian Plant Pathology Conference .......................................................................5 Social Programme .........................................................................................................................9 The McAlpine Lecture..................................................................................................................10 McAlpine Lecturer 2013...............................................................................................................11 Allen Kerr Postgraduate Prize .....................................................................................................11 Keynote Speakers .......................................................................................................................12 Programme ..................................................................................................................................21 Oral Presentation Abstracts .......................................................................................................33 Poster Abstracts ........................................................................................................................105 Presenter Index .........................................................................................................................181 Author Index ..............................................................................................................................184 page 4 THE 19TH AUSTRALASIAN PLANT PATHOLOGY CONFERENCE | Auckland, New Zealand The 19th Australasian Plant Pathology Conference Plant & Food Research and the APPS are proud to present the 19th Australasian Plant Pathology Conference Venue The University of Auckland Owen G Glenn Building Level 0 (level below ground level) 12 Grafton Road Auckland Level 0 Owen G Glenn Building Level 1: Entrance from Grafton Rd Level 0: Registration Car Park Elevators Rest rooms Case Room 4 Case Room 1 Case Room 3 Case Room 2 Central Elevators Lecture Theatre OGGB 4 Stairs to Level 1 THE 19TH AUSTRALASIAN PLANT PATHOLOGY CONFERENCE | Auckland, New Zealand page 5 Sponsor’s profiles Gold Sponsor CRC Plant Biosecurity The Plant Biosecurity Cooperative Research Centre (PBCRC) was established in recognition of the need to strengthen the plant biosecurity scientific capacity of Australia. The PBCRC aims to develop and deploy scientific knowledge, tools, resources and capacity to safeguard Australia, its plant industries and regional communities from the economic, environmental and social consequences of damaging invasive plant pests and diseases. Through 27 participant organisations, the PBCRC coordinates plant biosecurity scientific research across the country and internationally through its international participants, providing linkages, participation, resources and science. Gold Sponsor Grains Research & Development Corporation The Grains Research and Development Corporation (GRDC) is one of the world’s leading grains research organisations, responsible for planning, investing in and overseeing research, development and extension to deliver improvements in production, sustainability and profitability across the Australian grains industry. The GRDC’s primary objective is to drive the discovery, development and delivery of world-class innovation to benefit growers and the wider community. In consultation with industry, Regional Panels and Regional Cropping Solutions Networks, The GRDC invests over $150 million a year in RD&E activities to deliver productivity and profitability gains to Australian grain growers. Bronze Sponsor SCION Scion is a Crown Research Institute (CRI) specialising in research, science and technology development for the forestry, wood product, wood-derived materials, and other biomaterial sectors. We are New Zealand’s leading CRI in forest biosecurity and risk management. Our pathology group specialises in diseases that affect New Zealand’s trees. We offer capabilities to support the health of all forest types: planted, conservation and urban forests. Our capabilities include: • Biosecurity, surveillance and diagnostics • Chemical control of forest pathogens • Biological control using fungi and viruses • Site manipulation to reduce disease • Inducing resistance and improving growth in trees through micro-organisms or genetic selection www.scionresearch.com page 6 THE 19TH AUSTRALASIAN PLANT PATHOLOGY CONFERENCE | Auckland, New Zealand Sponsor’s profiles Exhibitor Australasian Plant Pathology Society The Australasian Plant Pathology Society is dedicated to the advancement and dissemination of knowledge of plant pathology and its practice in Australasia. Australasia is interpreted in the broadest sense to include not only Australia, New Zealand and Papua New Guinea, but also the Indian, Pacific andAsian regions. Although the Society’s activities are mainly focused on the Australasian region, many of the activities of our members are of international importance and significance. Each member of APPS is an associate member of the International Society for Plant Pathology. Through the International Society, APPS is a member of the International Union of Biological Sciences (IUBS), the International Union of Microbiological Societies (IUMS), in liaison with the UN Food and Agriculture Organization (FAO), and the International Council for Science (ICSU). Exhibitor Conviron Headquartered in Canada and with a global sales, distribution, and service network – Conviron is the world leader in the design, manufacture and installation of controlled environment systems for plant science research. Conviron controlled environments provide precise, uniform, and repeatable control of temperature, light, humidity, dehumidification, CO2, and other environmental conditions. All environmental parameters can be remotely programmed, monitored and analyzed with unparalleled accuracy and convenience. From small reach-in chambers, to large walk-in rooms, the Conviron Growth House™, the Conviron Research Greenhouse, and customized designs - Conviron controlled environments can be found in small start-up facilities to many of the world’s largest and most prestigious universities and research facilities in over 90 countries. Learn more at www.conviron.com or contact us at [email protected] THE 19TH AUSTRALASIAN PLANT PATHOLOGY CONFERENCE | Auckland, New Zealand page 7 Organising Committee Local organising and scientific committee: Kerry Everett Chair, Plant & Food Research Bénédicte Lebas Ministry for Primary Industries Mike Pearson The University of Auckland Nick Waipara Auckland Council Peter Johnston Landcare Research Robin MacDiarmid Plant and Food Research Yvonne McDiarmid Plant & Food Research page 8 PLANT DORMANCY SYMPOSIUM 2013 | Auckland, New Zealand Social Programme Welcome Reception Monday 25th November | 6m – 7.30pm The evening reception will be held at the University’s Fale Pasifika, the spiritual home of the University’s Pacific community. Follow signs from the Registration Desk. Venue: The University of Auckland Fale Pasifika Wynard Street Auckland Wine & Cheese Poster Session Tuesday 26th November | 6pm - 7pm Rugby Club BBQ Tuesday 26th November | 7pm - 10.30pm This is an opportunity to mix and mingle at a traditional “kiwi BBQ” at the Teachers Eastern Rugby Football Club, once the rugby home of Andy Dalton (All Black’s Captain 1982-85). Buses will depart from outside of Owen Glen at 7pm sharp. Venue: Teachers Eastern Rugby Football Club Reihana Stret Tamaki Auckland Gala Dinner Wednesday 27th November | 7pm - 12pm The conference dinner to be held in the Squadron Ballroom and Dinghy Locker, at the Royal New Zealand Yacht Squadron. Buses will depart from outside of Owen Glen at 7pm sharp. Venue: Royal New Zealand Yacht
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