The 29th International Horticultural Congress | Sustaining Lives, Livelihoods and Landscapes | 17-22 August 2014
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The workshops will be 1 hour 30 minute sessions held at the Congress in the late afternoon. The main aim of these workshops is to discuss and debate issues, solutions, strategies and theories, rather than hold mini-symposia. One or two speakers will briefly introduce the topic and this will be followed by general discussion. A small number of workshops will have a more highly structured format, but where this occurs, it is clearly identified in the workshop description.

1. Cryopreservation and In Vitro Conservation.

Chairs: Dr Bart Panis (Belgium) and Dr Maurizio Lambardi (Italy).
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The conservation of a broad genetic pool of wild and domesticated species for future generations is essential for sustainable food production. Classically, seed and in-field collections were the only reliable option for the ex situ long-term preservation of plant biodiversity. The application of tissue culture technology for the preservation of plant tissues and organs at both low and at cryogenic temperature, however, has greatly evolved in recent years.

Cryopreservation refers to the conservation at ultra-low temperatures (often in liquid nitrogen at -196°C) of cells, tissues and organs from in vitro culture (axillary and apical buds, embryogenic callus, somatic embryos), as well as from in vivo collected material (seeds, embryonic axes and dormant buds). This technique allows the storage of plant material at low cost, for unlimited time periods and in genetical and health stable conditions. Moreover, cryopreservation proved to be a promising approach to eliminate pathogens from diseased material (cryotherapy). The conservation at low (above freezing) temperature (“slow or minimal growth storage”) has also repeatedly proved to be a convenient option for medium-term conservation of shoot cultures, produced in commercial micropropagation laboratories, allowing a significant extension of the interval between subcultures.

At the workshop, two short lectures will introduce a round-table discussion on recent advances and high priority research topics in cryopreservation, cryotherapy and slow growth storage since they are of high interest for both institutes dealing with long-term genetic resources conservation, and commercial enterprises.

2. Genome Stability in Micropropagation.

Chair: Dr Alain Rival (France).
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The long-term benefits of commercial multiplication of plant species lie in the production of clonally uniform offspring. Somaclonal variation still hampers profitability of tissue-culture based business which has now matured to become a multibillion dollar industry. Both phenotypic and genotypic stability are explored at the morphological, histological, cytological (chromosome number and structure), cytogenetical (genome size and ploidy), biochemical (proteins and isozymes) and molecular (nuclear and organellar genomes) levels. Such studies could help in both modifying protocols for obtaining genetically true-to-type plants and setting up reliable quality control procedures. The recent emergence of epigenetic approaches on the one hand and NGS (Next Generation Sequencing) technology on the other hand are revolutionizing our view of genetic stability in micropropagation.

This workshop will open discussion after presentation of recent results and their ultimate use by entrepreneurs.

3. Screens in Horticulture.

Chair: Dr Yosepha Shahak (Israel).
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The use of porous screens in horticulture is constantly increasing in many countries. Horizontal screen covers are mainly used to reduce high radiation loads and wind speed and to protect the crop from hail storms. Insect-proof screenhouses with sidewalls and screens deployed on greenhouse openings are used to minimize the invasion of insects thus allowing a significant reduction in pesticide application.

Since screenhouses are semi-open structures, conventional climate control as in plastic greenhouses is impractical. Hence the inside climatic conditions mainly depend on the interaction between external climate, crop attributes and the screen and structure properties. Consequently a multidisciplinary approach is vital to cope with present and future challenges regarding screens in horticulture.

This workshop aims to promote a discussion among an inter-disciplinary group of scientists (engineering, meteorology and horticulture), screen manufacturers and extension service experts, regarding future research and development of screens for horticulture. The workshop will consist of one or two short introductory lectures followed by a round-table discussion. The expected outcome of the workshop will include a list of high priority research topics and feasible avenues for fund raising to facilitate national and international cooperative research projects.

4. Quality Planting Materials.

Chair: Professor Dr Sisir Mitra (India).
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Horticulture is one of the harbingers of nutritional security, providing sustainable income to the farmers, generating employment, empowering farm women and earning foreign exchange through exports. Ensuring that farmers have timely access to seed and planting material of good quality is one of the most important element of successful production and development of horticultural crops. Despite this reality, seed and planting material available to small-scale farmers in many developing countries is often of insufficient quantity and of inferior quality, which undermines potential yield and performance of crop production. Improving the genetic and physical quality of planting materials can trigger production especially if farmers continue to renew their planting materials stock. This workshop will discuss the different aspects of quality planting materials - its importance and constraints - and to suggest suitable measures to be undertaken to overcome the identified problems in different countries.

5. Hand-On Introduction to Functional-Structural Plant Modelling for Horticulture.

Pre-registration required

Chairs: Dr Jim Hanan (Australia) and Dr Evelyne Costes (France).
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In this hands-on tutorial workshop, you will learn the basics of functional-structural plant modelling as applied to horticultural plants. Bring along your Windows laptop, and we will load software that will allow you to work through a set of tutorial models. If time permits, we will build a prototype of your favourite plant, so bring some pictures that capture the plant’s structure, young and old. Please pre-register by email to Jim Hanan (

6. Applications of Functional-Structural Plant Modelling in Horticulture.

Pre-registration required

Chairs: Dr Evelyne Costes (France) and Dr Jim Hanan (Australia).
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After an overview of current and potential applications of functional-structural plant modeling (FSPM) for horticulture, this workshop will be dedicated to discussion and exchanges of ideas on how FSPM can be useful for you. Participants are invited to pre-register with Evelyne Costes ( noting their horticultural crop of interest and their expectations for applying FSPM.

7. Integration of green space and water to improve urban liveability.

Chair: Professor Dr Gert Groening (Germany).

8. Horticultural Programming for Life-long Education and Training.

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The workshop intends to discuss the horticultural programming occurring across the world to enhance the international capacity of professionals to solve work tasks. The workshop will focus on specific programs and/or projects that are in place and involve an international approach based on forms of mutual collaboration between institutions, such as joint degree, double degree, supranational degree. Programs aimed: to improve the quality and to increase the volume of student and teaching staff mobility throughout countries; to improve the quality and to increase the volume of multilateral cooperation between higher education institutions; to increase the degree of transparency and compatibility between higher education and advanced vocational education qualifications gained; to facilitate the development of innovative practices in education and training at tertiary level, and their transfer, including from one participating country to others; to support the development of innovative ICT-based content, services, pedagogies and practices for lifelong learning. Specific EU programs and examples will be used as a base to discuss larger joint ventures in horticulture for the future: a discussion planning future collaboration between nations. This workshop is a must for people working in life-long education and training.

The speaker who will introduce the topic is Dr Silvana Nicola (Italy).

9. Lessons Learned in Horticultural Development: An Exploration of Good Practices.

Chair: Dr Elizabeth Mitcham (USA).
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Horticulture is being recognized by international agricultural development practitioners as important in reducing poverty and child mortality while empowering women and improving nutrition. The international horticulture research and development community has invested in many projects aimed at improving livelihoods in developing countries through horticulture. This session will explore some of the best practices for improving horticulture in the developing world; both biological and social constraints will be considered. Speakers will include horticulturalists, social scientists, and gender specialists.

10. Connecting Industry with ISHS.

Chair: Dr Tim Briercliffe (UK).
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Tim Briercliffe, Convenor. Secretary General, International Association of Horticultural Producers [AIPH], United Kingdom. Errol W. Hewett, ISHA Board, Massey University, New Zealand

This Workshop aims to strengthen the partnership between industry and the International Society for Horticultural Science (ISHS). Both will gain substantially from increasing the understanding of each other’s needs and aspirations. Members of ISHS produce large amounts of applicable, useful knowledge. Horticultural industries worldwide have a notable track record of turning science into applicable technologies. Expanding and intensifying the exchange of knowledge and developing better means for understanding the needs of industry will benefit both sides of this partnership. The Workshop seeks to identify means to improve interaction and involvement between the Society and industry sectors for the mutual benefit of both partners and will make recommendations to ISHS leaders.

Workshop Format

a. Opening remarks
5 minutes Opening Tim Briercliffe, UK, Convenor.
5 minutes Errol Hewett, New Zealand, ISHS view.
5 minutes Craig Campbell, USA, Valent Biosciences, Agrochemical company view.
5 minutes Geoff Dixon, UK, Consultancy company owner/research scientist view.
5 minutes Patricio Trebilcock, Chile, Editor New Ag, Journalist's view.
5 minutes Tim Briercliffe, AIPH (Producers) view.

b. Break into groups for brainstorming to produce top 3 ideas from each group. 30 minutes

c. Reporting back and writing up and recording ideas.
30 minutes

d. Discussion.
15 minutes

e. Voting.
Each participant votes for the top 3 ideas, in priority order, that will go to the ISHS Board & Executive Committee.
10 minutes

f. Results calculated and outcomes announced.
5 minutes

TOTAL TIME 2 HOURS. Note this will extend beyond the normal time allocated for workshops by 30 minutes.

For further information contact:

11. Horticulture Technology and Innovation: Regional Models for Research and Development.

Chair: Professor Poonpipope Kasemsap (Thailand).
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Improving livelihoods – through higher profits and diversified, nutrient-rich diets is the promise of horticulture for poverty reduction. In order to support the needs of smallholder producers of fruits and vegetables the industry must understand the specific barriers and conditions faced by the small scale producer. The Horticulture Innovation lab: Regional Center at Kasetsart University will lead a workshop exploring how “innovation networks” can be built to share the information and experiences necessary to improve the livelihoods of the world’s smallest producers. Researchers, practitioner, farmers, NGOs, and business leaders will discuss some of the challenges and opportunities in building regional partnerships and innovation networks.

12. International Competitiveness of Horticultural Production Systems: the agri benchmark Horticulture Network.

Chair: Dr. Walter Dirksmeyer (Germany).
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Horticultural products are cultivated and marketed worldwide. Due to this, for exporting regions and countries, information on their competitiveness is highly valuable. In contrast, such information is scarce. Additionally, results of studies comparing the international competitiveness of horticultural production often are not comparable. To overcome this, the establishment of an international network aiming at comparing the competitiveness annually based on standardized methods is a promising approach.

In this regard the objective of the workshop is to introduce and discuss the approach and first results of the agri benchmark Horticulture network. The main activity of this scientific, non-profit and independent network is to sample and analyse annually updated price-quantity-data of horticultural production systems following a standardized procedure. As a result, cost of production, productivities, gross margins and profits among others can be compared based on a harmonized methodology. The first sample crops are apples and wine. The network is expected to grow in terms of crops and countries and is open to new partners.

13. ROOTOPOWER Workshop on Vegetable Grafting: Understanding the Power of Root Traits for Producing More with Less.

Chairs: Dr Francisco Pérez-Alfocea (Spain) and Dr Ian Dodd (UK).
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After more than fifty years of crop improvement principally selecting for above ground traits, scientists now perceive root system engineering as an opportunity to integrate new approaches to maintain sustainable crop production under changing environmental conditions while minimizing the demand for new resources. Root-specific traits such as root system architecture, sensing of edaphic stress and root-to-shoot communication can be exploited to improve resource capture and plant development under adverse conditions. The potential offered by grafting is as broad as the genetic variability able to cross the barriers between rootstocks and scions, allowing a more direct and efficient exploitation of wild germplasm.

The EU ROOTOPOWER project aims to develop new tools, targeted to the root system, to enhance agronomical stability and sustainability of vegetable crops under multiple and combined stress conditions. Central to our approach is the use of grafting in tomato, allowing precise assessment of the effect of altering root traits on crop performance independently of shoot traits, by using mapping populations and functional lines as rootstocks. The strategic aim is to help crop producers and breeders deal with the predicted impacts of climate change and to overcome the consequences of unsustainable agricultural practices that are causing soil degradation and depleting natural resources.

This workshop will present recent results in phenotyping, genetics and physiology of rootstock-mediated tomato crop improvement under individual and combined abiotic stresses. It will also promote discussion on improving crop stress resistance through more resource efficient rootstocks, allowing a more efficient use of soil, dwindling water and phosphorus resources, and a reduction of the excessive use of nitrogen and potassium fertilizers (which have a high carbon footprint), as well as how this research could be extended to other abiotic and biotic constraints and vegetable crops. Without this research there will be a trend for below-ground abiotic stresses to decrease plant growth and development throughout the world leading to serious crop yield losses, and hence endangering food security.

14. GreenGrowing – Knowledge Transfer in the Greenhouse Industry.

Chair: Associate Professor Carl-Otto Ottosen (Denmark).
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One of the bigger challenges in horticultural research is that parallel research might take place in neighbouring countries and little information flows between countries due to traditional or language barriers. In a regional EU project, GreenGrowing, we have tried to link ongoing research and implementation in six countries around the North Sea with a focus on energy saving in the extensive greenhouse production in our area. The challenge lies in how to distribute the knowledge from strategic and applied research. Can we develop efficient systems that bridge countries and regions or will the knowledge just be shared between countries?

15. Reproductive Biology and Genetic Control of Invasive Ornamental Plants

Chairs: Dr. Zhanao Deng (U.S.A.) and Dr. Sandra B. Wilson (U.S.A.).
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Ornamental plants bring beauty to our lives; introduction of new ornamental plant species is essential for the sustainability of the nursery and landscape industries in the world. However, some introduced ornamental plants have escaped cultivation and invaded natural areas in numerous regions in the world. In these regions, invasive plant species have become a major threat to local ecosystems and biodiversity and caused significant economic losses. The urgency to contain these invasive species, including those that are used as ornamentals, is increasing. Understanding the reproductive biology of these invasive ornamentals and developing genetic tools to control, reduce or eliminate their invasiveness have become a new responsibility and a new research opportunity to ornamental plant researchers and breeders.

This workshop will begin with a short introduction on the economic and ecological impacts of invasive ornamental plants, followed by presentations on recent advances toward understanding the reproductive biology of some major invasive ornamental plants and neutralizing plant invasiveness using modern molecular as well as classic breeding tools. General open discussions will be held between and after presentations.

This workshop will welcome anyone who is working on or interested in this topic to join and to share their research results, discuss future research directions, or debate issues related. It is hoped that this workshop will help bring together researchers from different parts of the world or from different disciplines and promote collaborative research in the future.

Tentative workshop schedule:

  • Dr. Zhanao Deng (University of Florida, U.S.A.): Introduction to the workshop (Invasive ornamental plants and their impacts)
  • Dr. Sandra B. Wilson (University of Florida, U.S.A.): Reproductive biology of some major invasive ornamental plants.
  • Dr. Yi Li (University of Connecticut, U.S.A.): Genetic approaches to neutralize invasive ornamentals: Development and applications of traditional and modern tools.

16. Exploring innovative educational programs in horticulture for developing countries

Chair: Dr Alan Hunter (Ireland).
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Horticulture is generating more and more employment over the world, particularly for tertiary education skills since intensification and high technology apply very well all along its value chain. Paradoxically, tertiary education is less and less specialized in horticulture, and employers often complain on the poor adequacy of the young graduates. From the results of a recent survey checking the present and future requirements of the society for employment and entrepreneurship in horticulture, the analysis will be debated during the workshop to come out with a series of recommendations and possibly a plan of action that would be implemented over the next four years and presented during IHC2018 Istanbul.

17. Predicting Storage Out-turn of Batches of Fresh Products

Chair: Andrew East and Julian Heyes, Massey University.
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The field of postharvest horticulture has traditionally focused on establishing the ‘optimal’ combination of harvest timing, postharvest treatments and storage technologies to deliver the greatest longevity of fresh products. While much has been achieved in reducing crop losses and facilitating global trade of fresh produce, significant postharvest product losses still occur in both ‘developed’ and ‘developing’ countries. Many of these losses in established export industries are a result of the inherent variability which is observed between batches of the same product, coming from different orchards or harvested on different days. An improved ability to predict storage out-turn would allow improved ‘inventory management’ so particular batches of product could be targeted to the most appropriate market and maximize industry profitability. Irrespective of whether the mode of product failure is decay, chilling injury or development of advanced senescence, the ability to understand the physiology underlying batch variability and predict the behaviour of each batch would be a powerful tool in stock management.

In this workshop participants will be invited to share the approaches they are taking, including metabolomics, mathematical modelling, non-destructive testing and accelerated libraries, that have the potential to contribute to improved prediction of storage out-turn of individual batches of product. Our vision for the workshop is that there is potential for a multinational collaboration, sharing ideology and data handling methodologies, to deliver an improved package of tools and concepts that may apply across all horticultural industries.

18. A Glimpse of GLMMIX (with a peak at R) for Use in Horticultural Research

Chairs: Dr. Walter W. Stroup and Dr. Ellen T. Paparozzi (USA).
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Note: This workshop is likely to extend beyond the normal finish time. Expect a total length of 2 to 2.5 hours.


For the final three-quarters of the 20th Century, analysis of variance (ANOVA) in its various forms defined the reigning paradigm for “standard statistical analysis” of research data. Within the past decade, advances in statistical theory and methodology, enabled by rapid advances in computing capability, have enabled the introduction of generalized linear mixed model (GLMM) software, e.g. SAS® PROC GLIMMIX and analogous packages in R. The GLMM dramatically changes the conversation regarding “standard statistical analysis” for most of the types of experiments and research data collected in horticulture. This is especially true for complex experiments, experiments with limited resources, and even more critical when research data does not follow a normal distribution (percent data, classification data, count data, time-to-event data, to name just a few).

The learning curve for GLMM methodology is steeper that it is for standard ANOVA and regression. For those trained in conventional statistical methods, GLMMs require a change in mind-set. Why invest the time and effort? GLMMs offer more accurate estimates of treatment effects and in some cases up to 50% increase in power relative the ANOVA-based methods. Designs derived from ANOVA-based planning methods can be inappropriate – often catastrophically inappropriate – for experiments with non-normal data. In an era of tight budgets and limited resources, quality-of-information-per-dollar-spent is not a trivial concern.

In this workshop, we introduce generalized linear mixed models for horticultural science. The workshop will be team taught by a horticultural researcher (Ellen) and a statistical scientist with extensive experience both with GLMMs and in collaborating with horticultural scientists (Walt). We will use several examples from horticultural research to introduce key GLMM concepts and methods.


INTRODUCTION: Walt will begin with a brief introduction – what is a GLMM, how does it differ from conventional ANOVA and why should we care?

Then we will proceed to examples.

Horticultural examples: Ellen will introduce the example, what were the research objectives, what constraints did the horticulturist face in conducting the experiment, what design was used & what response variable was measure to address the objectives and finesse the constraints?

Statistical examples: Walt will the present the statistical considerations associated with these experiments. Show how GLMM methods were or could be used to help design the experiment.

He will give step-by-step instructions from the design, objectives & response variable through setting up and implementing the analysis.

Interpretation of the data analysis: Ellen & Walt will co-present the interpretation, Walt giving the statistical perspective, Ellen giving the what-it-means-to-a-horticulturalist perspective.

Examples to include

  • A small experiment, this this case leaf re-greening after nitrogen deficiency. Often, researchers in horticulture have no choice. Budget, time, personnel, logistics may impose strict upper limits on the size of experiments. First GLMM contribution: before any data are collected, how to assess what you reasonably can expect from such experiments. Next GLMM contribution: how do design, analyzed and report for maximum quality-of-information-per-dollar?
  • Larger experiment - multiple benches or a full greenhouse – .e.g winter grown strawberries. To include cultivar selection, berry number and mass, time to flower.

For each example: we will discuss

  • types of data
    • percent
    • counts
    • concentrations of nutrients and/or hormones
    • classification
    • time-to-event (e.g. time to flower and fruit; time to deficiency symptoms and time to re-green)
  • design types
    • standard blocked design
    • split-plot*
    • repeated measure*
    • * may not have time for both, but at least two.

Concluding the presentation

  • Present a how-to-design example (we are open to your suggestions here)
    • Walt has examples from graduate design class & workshops
    • Ellen also has design dilemma examples


Both presenters are based at the Department of Statistics and Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE 68583, USA.

Walt’s research focuses on experimental design and analysis. He has recently written a textbook on GLMMs (Generalized Linear Mixed Models. 2013. CRC Press) and co-authored another textbook on GLMM applications in agriculture and natural resources. His previous co-authored books include SAS for Mixed Models (2006) and SAS for Linear Models (2002). He has recently written a symposium article for Agronomy Journal on analysis of non-normal plant science data. This article is generic enough to be applicable to horticulture. Recently, Walt team-taught a mixed model workshop at ASHS 2011. Internationally, in 2012, Walt gave a 3-day GLMM workshop to the Finnish Biostatistics Society at the University of Turku in Finland. Walt is a Fellow of the American Statistical Association.

Ellen is a long time member of ISHS and an ASHS Fellow. Her research involves both whole plant and molecular plant physiology with a focus on plant nutrition and anatomy. Over the years, she has worked across crops including floricultural pot crops i.e. poinsettia, vegetables, i.e. lettuce, small fruits i.e. strawberries, woody plants and foliage plants. Ellen teaches undergraduate courses in horticulture crop physiology and production as well as graduate level classes in plant nutrition and woody plant growth and development.

19. Strengthening informal seed systems: integrating plant genetic resource conservation within a larger development

Chairs: Dr Hannah Jaenicke (Germany).
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In sub-Saharan African and several South and Southeast Asian countries, an estimated 80% of seed of both improved and local varieties used by smallholder farmers is produced and disseminated by informal seed systems, such as farmer seed and community-based seed systems. Few seed programmes of national governments or development organizations target strengthening those informal seed systems, although many opportunities exist to strengthen farmers’ skills and practices in variety maintenance, seed processing, storage, but also informal mechanisms of seed exchange and marketing. Informal seed systems also draw the attention of plant genetic resources programmes which consider them repositories of local varieties. Their activities approach informal seed systems are considered necessary to contribute to the conservation strategy referred to as ‘on-farm management’. It can be observed that both organizations targeting either seed sector development or PGR conservation have been unable to develop scalable strategies.

The purpose of the workshop is to discuss and promote a more integrated approach that can strengthen the functioning of informal seed systems with a focus on food security, poverty alleviation, community resilience and Farmers’ Rights, while also promoting the conservation and use of plant genetic resources. Dr Bhuwon Sthapit (Bioversity International, Nepal) and Mike Titley, (MHT Vegetable Consultancy Services P/L, Australia) will introduce the topic.

20. Developing trade through Market Access R&D

Chairs: David Minnis, Australian Horticultural Exporters Association (AHEA) and Peter Leach, DAFFQ.
Moderated by: Michelle Christoe, Australian Horticultural Exporters Association (AHEA).
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Many issues continue to inhibit the development of a deregulated, free trading environment for horticultural produce. Through this workshop we will consider current issues and scope proposed solutions. Topics covered are:

  • Methods of disinfestation  against fruit flies
  • Pros and Cons of irradiation
  • In-transit cold treatment  against fruit fly and other pests
  • Performance of  reefer containers 
  • Using modified packaging / containers to ship fruit over longer distances
  • Hypobaric storage / containers in assisting shipment of horticultural products
  • Systems approach to maintaining quarantine clearance in the field / packing shed / post harvest
  • Development and implementation of international ISO standards to maintain benchmarks in protocols
  • Effectiveness of sterile insect release in controlling outbreaks of insect pests in fruit growing areas  e.g. Light Brown Apple Moth in California
  • Med Fly in Mexico 

21. Global Conservation Strategies for Horticultural Crops

Chairs: Dr Kim Hummer (USA)
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The International Treaty for Plant Genetic Resources for Food and Agriculture (2004) recognized the need to conserve globally important horticultural crops. International Scientists have been working to develop global conservation strategies to codify standard genebank procedures, innumerate gaps in collection, and prioritize needs for germplasm maintenance distribution and evaluation. A number of these strategies have been prepared and published, however, implementation for some has been challenging. A description of the process for developing these strategies will be provided . Crops with successful implementation could provide guidance for future strategy development.

The workshop will include scientists who have participated on expert committees for strawberries, bananas, citrus, as well as a representative from the Global Crop Diversity Trust.

22. Photography for Horticulturists Workshop

Instructor: Peter Wanny, Queensland College of Art, Griffith University.
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This will be a practical workshop equipping participants to take excellent horticultural images to enhance their research and development activities

It is a great privilege to document plant life in its wonderful and varied forms, in its natural habitat. To capture images that depict the beauty, grace and perfection of nature, however, requires thought, planning and preparation. It requires the same patience and care that goes into shooting a portrait. The image must inform and evoke the human senses with its personality.

In this workshop we will look at the depiction of light, form and how it could captivate your audience. In addition, we will also address the following:

  • The appropriate camera and its required functions
  • The appropriate lens 
  • The essential and supporting accessories for your camera
  • The tripod and other supports to minimise movement
  • The appropriate light conditions
  • The use of reflectors and gobos
  • The use of supplementary light source
  • Managing the backgrounds
  • The power of simplicity to achieve great composition

This workshop will involve practical demonstrations, reviews and critique of exemplary images. Studio lighting will also be utilised to simulate daylight and explain how it should be controlled to achieve your desired goals. Registrations are limited to 15 people per workshop. Subject to demand, workshops will be conducted on Monday, Tuesday and Wednesday 18, 19, and 20 August 2014. A modest charge of $33 (inclusive of GST) applies.

To register follow the link

  • Places are limited and once the workshops are full they will not be re-run.
  • In order to keep costs to a minimum, only credit card payments will be accepted.
  • Registration and payment is required at the time of booking to secure your place.

23. International Mango Consortium - sequencing the genome

Chair: Dr. David Kuhn
Co-chair: Natalie Dillon
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Mango has long been considered as the “King of Fruits” yet little is known about the genetics of this species. A draft strategy has been proposed for a mango genome sequencing project. This involves a number of stages:

Stage 1: Preliminary genome screening of candidate mango cultivars

A tree with the least genomic heterozygosity is required for the genome sequencing project. To identify this tree a survey of candidate mango cultivars will be undertaken. Genome size, repeat content and genomic heterozygosity will be surveyed that will determine a final candidate diploid cultivar for further draft genome sequencing with relatively low repeat content and genomic heterozygosity. This screening is open for anybody who proposes or provides candidate mango cultivars for such a genome survey.

Stage 2: Draft genome of candidate mango cultivar

A number of mango transcriptome data sets now exist globally. The plan and methodology for generating the draft mango genome, however, is still being discussed. The type of library construction, depth of reads and assembly of the genome needs to be agreed upon prior to commencement of the project.

Stage 3: Sequencing of mango genomes

A world-wide panel of mango cultivars and representative accessions from wild ancestral populations would then be sequenced. This information would make great contributions to mango breeders with the generation of thousands of genetic markers and for conservation efforts of endangered Mangifera species.

Stage 4: Future research

Discussion on experimental design, data collection and analysis for addressing mango-specific biological questions after the availability of mango high-quality reference genome is required for future research.

Symposium 33 Workshops

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Workshop 1. Decision Matrices to Aid Tree Managers as Climate Changes

Wednesday 1030. Room: P1

Chair: Greg Moore
This workshop will cover:

  • Decision making: how matrices can help the process
  • Issues and priorities for urban tree care
  • Creating the matrix system to get to the decision
  • The significance of matrix decisions, the limits

Workshop 2. Urban Forest Management: Still One Tree at a Time

Wednesday 1330. Room: P1

Chair: TBC
This workshop will cover:

  • The urban forest: not one but many
  • Issues of urban tree management
  • Early recognition of specific issues to new and old trees
  • Management strategies and useful tools

Workshop 3. Micro Organisms: Hard Workers for Tree/Plant Health that are Often Overlooked

Wednesday 1600. Room: P1

Chairs: Bill Wilcock and Graeme Sait
This workshop will cover:

  • The microscopic environment of plants: where it is, what it is; what keeps it alive?
  • The Significance of microorganisms to plant nutrition: The role of mycorrhizae
  • Some examples of microorganism management strategies of specific plant issues

Workshop 4. Tree Body Language an Australian Perspective

Thursday 0830, 1330, 1600. Room: P1

Chair: Cassian Humphreys, Technical Officer, Queensland Arboricultural Association

Cassian Humphreys will present an introduction toTree Body Language an Australian Perspective - founded on the established arboricultural science of Dr. Alex Shigo, Professor Claus Mattheck, and Dr. David Lonsdale. VTA - Visual Tree Assessment is essential underpinning knowledge for all arborists, arboriculturists, tree risk assessors, contractors, consultants and tree managers. This workshop is designed as an introduction to VTA for allied professions involved in tree management, for arboricultural contractors and specifically for horticultural delegates.