2nd International Organic Fruit Research Symposium

eOrganic conducted live broadcasts from the 2nd International Organic Fruit Research Symposium in Leavenworth, Washington on June 19 and 21, 2012. The following recorded presentations from this symposium will be of interest to researchers, Extension professionals, growers, consultants, suppliers, and retailers who wish to learn the latest developments in the worldwide organic fruit supply chain. Click on the links below to view the presentations.

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June 19, 2012

The Organic Fruit System

The US Market for Organic Fruits. Don Harris, Harris Consulting Solutions, USA

Organic Fruit Growing and Markets in Europe in the early 2010s: Solutions, Challenges, and Perspectives. Franco Weibel, FiBL Switzerland

Fungal Disease Management in Organic Fruit Orchards: Epidemiology, Forecasting and Disease Control Strategies. Imre Holb, University of Debrecen, Hungary

Biological Pest Control in Organic Tree Crops in the Western U.S.: An Overview. Nick MIlls, University of California Berkeley, USA

The Potential Impacts Of Genetics, Genomics And Breeding On Organic Fruit Production. Kate Evans, Washington State University, USA

OREI: Organic Strawberries in California. Joji Muramoto, University of California Santa Cruz, USA, and Steve Pederson, High Ground Organics

OREI: Organic Apples in Vermont. Lorraine Berkett and Steve Meyerhans, Lakeside Orchards, USA

OREI: High Tunnel Organic Fruit In Michigan. Greg Lang, Michigan State University and Jim Koan, Almar Orchards, USA

Insect Biocontrol

Monitoring and Modeling Natural Enemies to Enhance Biological Control in Western US Tree Crops. Vince Jones, Washington State University, USA

Habitat Modifications and Species-Specific Pest Control Products Can Reduce Pest Control Costs. Thomas Unruh, USDA-ARS, USA

Three for One: An Organic Adjuvant that May Improve Management of Fruit Flies, Diseases, and Birds in Cherry and Small Fruits. Alan Knight, USDA-ARS, USA

Effect of a Commercial Extract of the Brown Seaweed Ascophyllum nodosum on Mites in Tree Fruit. Holly Little, Acadian Seaplants, Canada

Green Peach Aphid (Myzus Persicae (Sulzer)) Control In Organic Plum Orchards. Silvina Garrido, INTA, Argentina


Transition to Organic Fruit Production: Impact on Yield and Environmental Performance of Muscadine (Vitis rotundifolia) in a Heavy Soil.  Girish K. Panicker, Alcorn State University, USA

High Tunnel Production of Organic Strawberries, Eric Poupert, Universite Laval, Canada

Early Production Years of Two Organic Orchards: Newly Planted vs Top-Grafted. M. Elena Garcia, University of Vermont, USA

Effects of Weed and Nutrient Management Practices in Organic Pear Orchards. Chuck Ingels, UCCE, Sacramento County, USA

New Apple Cultivars for Organic Fruit Production in Northern Germany. Karsten Klopp, Esteburg Fruit Growing Center, Germany

Performance in the Early Production Years of Two Organic Orchards Established by Different Methods: Newly Planted and Top-Grafting. Elena Garcia, University of Vermont, USA

Characterization of Berry Quality of Ribes nigrum in Relation to Harvest Timing and Cultivar. Nicholas Taylor, Organic Agriculture Centre of Canada

Organic Blueberries: A Product with Good Demand. Peter Anderson, USA

Recent Postharvest Developments in Organic Fruits: The Good, the Bad and the Ugly Robert Prange, Centre for Sustainability through Integrated and Organic Horticulture, Canada

The Organica Project: Research on Weed Management options for Organic Apple Production. Terry Bradshaw, University of Vermont, USA

Assessment of Ascophyllum nodosum-extract Biostimulants on Tree Growth, Yield and Fruit Quality in a Certified Organic Apple Orchard. Terry Bradshaw, University of Vermont, USA

High Tunnels and Annual Growing Systems for Organic Strawberry Production in Three Diverse Environments. Thomas Walters, Washington State University,  USA

Plant Pathology

Systems Approach to Fire Blight Control in Organic Pear and Apple without Antibiotics. Ken Johnson, Oregon State University, USA

Effect of Spray Application Parameters on Viability of Bacterium Pseudomonas fluorescens Used as Bio-pesticide in Organic Fruit Production. Greg Doruchowski, Research Institute of Horticulture, Poland

Progress in Brassicaceae Seed Meal Formulation and Application for Replant Disease Control in Organic Apple Orchards.Mark Mazzola, USDA-ARS, Wenatchee, Washington, USA

Management Of Phytophthora Cinnamomi Root Rot Disease Of Blueberry With Gypsum And Compost. John Yeo, Oregon State University, USA

Control of Bacterial Wilt in Organically Grown Muskmelon. Robert Caudle, University of Kentucky, USA

June 21, 2012

Soil Management

Observations on the Biology of Organic Orchard Soils. George Bird, Michigan State University USA

Soil Management in Organic Orchard Production Systems. Gerry Neilsen, Pacific Agri-Food Research Centre, Canada

The Effects of Four Ground Cover Management Systems and Three Nutrient Sources on the Development and Performance of an Organic Apple Orchard in the Southern US. Curt Rom, University of Arkansas, USA

Organic and Intregrated Orchard Floor Management.  Jennifer Reeve, Utah State University, USA

Soils and Crop Nutrition

Effect of Four Different Soil Management Techniques on Apple Root Development. Davide Neri, Universita Politecnica delle Marche, Italy

Effect of Organic Fertilization on Soil Fertility, Tree Nutritional Status and Nutritional Removal of Mature Nectarine Trees. Moreno Toselli, Dipartimento di Colture Arboree, Bologna, Italy

Fertility Management of Establishing Organic Blackcurrants (Ribes nigrum L.). Andy Hammermeister, Organic Agriculture Centre of Canada

Using Compost as Mulch for Highbush Blueberry. Tom Forge, Agriculture and Agri-Food Canada

Effect On The Soil Physical Property And Fruit Quality Followed By Subsoil Breaking In Organically Converting Kiwifruit (Actinidia Chinensis ‘Haegeum’) Orchard. Youn-Sup Cho, Research Institute of Jeonnam, Agriculture and Extension Services, Korea

Effects of Organic Fertilizers and Soil Conditioners on the Quality of Apple Maiden Trees. Z.S. Grzyb, Eligio Malusa, Research Institute of Horticulture, Skierniewice, Poland

Effect of Organic Fertilizers on Photosynthetic Efficiency of Strawberry Plants, Eligio Malusa, Research Institute of Horticulture, Skierniewice, Poland

Organic Fruit Systems

Organic Blueberries in south Chile: Challenges for Growers.  Carlos Klein Koch, Chile

Effects of Weed and Nutrient Management Practices in Organic Pear Orchards.  Chuck Ingels. UCCE Sacramento County, USA.

Global Expansion of Organic Fruit Area.  David Granatstein. Washington State University, USA.

Comparison of Practices and Resource Use for Organic and Conventional Fruit in California. Karen Klonsky, University of California Davis USA

Prospects and Challenges of Organic Fruit Production in Pakistan. Ahmad Satter Khan, University of Agriculture, Faisalabad, Pakistan

Mechanized String Thinners: An Effectove Tool for Cropload Management in Organic Apricot Production. Karen Lewis, Washington State University, USA

Combining Multiple Performances for a Sustainable Agriculture: Organic Fruit Production as a Prototype. Stephon Bellon, INRA SAD, France


An In-Store Assessment of Consumers' Willingness-To-Pay for Organic Apples: Does Size Matter?  Nathan Skuza, Eastern Washington University USA

Economic Analysis of Five Apple Cultivars in a Top-Grafted Organic Orchard, 2006-2011. Robert Parsons, USA

Organic Fruit: Impacts and Progress

Impacts of Organic Production Systems on Fruit Nutritional Quality and Safety. Charles Benbrook, The Organic Center, USA

Nutritional and Organoleptic Characterization of Apple Produced by Organic and Integrated Production Systems in Lleida (Spain).Winston Samuel Huanca Gutierrez University of Lleida, Spain

Linking Soil Health to the Nutritional Quality of Fruit. Preston Andrews, Washington State University, USA

Biological Control of Postharvest Diseases: Hurdles, Successes and Prospects. Wojciech Janisiewicz, USDA-ARS, USA

How to Increase the Conversion Rate to Organic Fruit Production. Karsten Klopp, Esteburg Fruit Research and Extension Center and and Jorg Quast,├ĽON, Germany


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Published June 5, 2012

This is an eOrganic article and was reviewed for compliance with National Organic Program regulations by members of the eOrganic community. Always check with your organic certification agency before adopting new practices or using new materials. For more information, refer to eOrganic's articles on organic certification.