Proceedings 2010

In order to maintain a high and consistent scientific quality, the contributions for the Proceedings of the 14th International Conference on Organic Fruit-Growing were subjected to a reviewing process.

Reviewed Papers

This part contains papers of scientific quality which were subject of a full anonymous peer review process. Each contribution was sent to at least two reviewers with expertise in the relevant field of study. The editorial decision of acceptance of a paper in the Conference and in the part “reviewed papers” of the Proceedings was done by the Conference Organisers based on the referees’ reports.

Short Contributions

This part of the Proceedings is reserved for smaller contributions. They were subject to an abbreviated reviewing process (only one reviewer, conclusions must not be based on trials over more years or locations).

Topics

Pome Fruit: Cultivar and Perspectives of Breeding
Pome Fruit: Strategies for Disease Control
Pome Fruit: Strategies for Pest Control
Pome Fruit: Crop Regulation
Small Fruit
Stone Fruit
Quality Analysis
Soil Management
Sustainability
Economy
Organic Fruit Growing in Albania

Content

Pome Fruit: Cultivar and Perspectives of Breeding

Apple Scab (Venturia inaequalis (Cooke) Wint.) Attacks on Cultivars and Genotypes Carrying Different Resistant Genes in Plantings with Breaking Through Vf – Rvi6 Gene
R. Vávra, S. Bocek – Reviewed Paper

The Golden Sunshine Line® – a new apple series from breeding to marketing
B. Pfeiffer, S. Sinatsch, F. Ruess – Reviewed Paper

Assessment of the susceptibility to pests and diseases of 36 apple cultivars in four low – input organic orchards in France
C-E. Parveaud, C. Gomez, G. Libourel, L. Romet, F. Warlop, S. Simon, L. Brun, D. Pouzoulet, A. Delebecq, L. Tournant, S. Oste, F. Laurens – Reviewed Paper

Advanced strategies for breeding fire blight resistant high quality apples
I. Baumgartner, L. Franck, G. Silvestri, A. Patocchi, B. Duffy, J. Frey, M. Kellerhals – Reviewed Paper

Strategies for Disease Control

Screening of biocontrol agents for their efficacy against apple scab
M. Hinze, S. Kunz – Reviewed Paper

Technical copper minimising strategies to keep an old friend going
D. U. Nannen, I. Riecken, J. Lehne – Reviewed Paper

Preventative and curative applications of carbonates against apple scab (Venturia inaequalis) in organic apple orchards
M. Kelderer, C. Casera, E. Lardschneider, A. La Torre – Reviewed Paper

Copper free production of organic Elstar apples: three years experience in The Netherlands
M. Trapman – Reviewed Paper

Sooty Blotch Research – a Progress Report
U. Mayr, S. Späth, S. Buchleither – Reviewed Paper

Controlling Gloeosporium rot on Pinova apple fruits. Part 1: preharvest acid clay sprays versus postharvest hot water dipping treatments
M. Kelderer, C. Casera. E. Lardschneider, A. Rainer – Reviewed Paper

Controlling Gloeosporium rot on Pinova apple fruits. Part 2: evaluation of different pre- and postharvest treatments
M. Kelderer, C. Casera, E. Lardschneider, D. Gramm – Reviewed Paper

Combined treatments with BoniProtect (Aureobasidium pullulans) and hot water to control storage diseases
M. Trapman, K. De Coninck, K. Konijn – Reviewed Paper

UV-c radiation as an alternative tool to control powdery mildew on apple and strawberry
W. Van Hemelrijck, S. Van Laer, S. Hoekstra, A. Aiking, P. Creemers – Reviewed Paper

Effect of different treatments with oil cakes, plant protection agents and potassium phosphite to control collar rot on Topaz
M. Kelderer, E. Lardschneider – Reviewed Paper

Monitoring E. amylovora using Real Time PCR
R.T. Voegele, S. Kunz, L. Olbrecht, M. Hinze, S. Weißhaupt, A. Schmid, M. Ernst, M. Joos, M. Matschinsky, K. Mendgen – Reviewed Paper

Fire blight control strategies in organic fruit growing
S. Kunz, A. Schmitt, P. Haug – Reviewed Paper

Toxicity of lime sulphur on predatory mite Typhlodromus pyri in apple
V. Psota – Short Contribution

Epidemiological research on the etiology of twig scab as basis for a rational and ecological disease management
E. Croes, W. Van Hemelrijck, A. De Landtsheer, W. Keulemans, P. Creemers – Short Contribution

Effects of beetroot Vinasse on ascospore formation of Venturia pirina in a one-year field trial on an organic Conference orchard
B.G.H. Timmermans, P.J. Jansonius, R. Bruinenberg – Short Contribution

Strategies for Pest Control

Control of the woolly apple aphid (Erisoma lanigerum Hausm.) by releasing earwigs (Forficula auricularia L.) and support oil applications
I. Toups, J. Zimmer, M. Trautmann, M. Beer, S. Buchleither, A. Herz – Reviewed Paper

Resistance of codling moth against Cydia pomonella granulovirus (CpGV): State of knowledge
J. A. Jehle, K. E. Eberle, S. Asser Kaiser, S. Schulze Bopp, A. Schmitt – Reviewed Paper

Efficacy of new CpGV (Cydia pomonella Granulovirus) isolates against resistant and suceptible Codling moth populations in Italy
S. Caruso, S. Vergnani, E. Ladurner, A. Bonhomme, D. Pederzoli – Reviewed Paper

Application of molecular methods to identify genes involved in CpGV-resistance of the codling moth, Cydia pomonella
N. A. Gund, A. Reineke – Reviewed Paper

Infection of the plum fruit moth, Cydia funebrana (Lepidoptera: Tortricidae) by Cydia pomonella granulovirus (CpGV)
A. Reineke, M. Hauck, D. Kulanek – Reviewed Paper

Laboratory experiments with entomopathogenic fungi on artificial hideouts for biocontrol of Cydia pomonella and Cydia funebrana
M. Herker, U. Kleefeldt, D. Stephan – Reviewed Paper

The effect of controlling codling moth (Cydia pomonella) with Steinernema carpocapsae (Nemasys® C) on crop yield
A. P. Brown – Reviewed Paper

Three years experience with entomopathogenic nematodes for the control of overwintering codling moth larvae in different regions of Germany
J. Kienzle, D. Heinisch, J. Kiefer, M. Trautmann, F. Volk, J. Zimmer; C.P.W. Zebitz – Reviewed Paper

Regulation of plum moth (Cydia funebrana) with mating disruption and entomopathogenic nematodes in organic orchards
I. Toups, J. Zimmer, B. Pfeiffer, G. Schmückle-Tränkle – Reviewed Paper

Overview of “ALT’CARPO” concept and its development in France
L. Romet, G. Severac, F. Warlop – Reviewed Paper

Controlling codling moth with different netting structures and their influence on crop yield and quality
M. Kelderer, C. Casera, E. Lardscheider, A. Rainer – Reviewed Paper

NeemAzal-T/S -current status of registration and maximum residue levels in the EU
H. Kleeberg, E. Hummel, B. Ruch, N. Walther – Short Contribution

Regulation of Cydia pomonella by Steinernema feltiae in Northern Germany
B. Benduhn, P. Heyne, P. Maxin – Short Contribution

Laboratory experiments to determine the liquid formulation for a spraying application technique for Trichogramma parasitized eggs to control the codling moth Cydia pomonella
O. Zimmermann, B. Wührer – Short Contribution

The effect of different treatments on pear psyllid (Cacopsylla pyri) in organic pear growing
G. Brouwer – Short Contribution

Vole trapping fences – a new approach to migration barriers
B. Walther, O. Fuelling – Short Contribution

Crop Regulation

Flower thinning of apples cv ‘Elshof’ using environmentally friendly compounds
M. Bertelsen, N. L. Jensen, H. Lindhard Pedersen – Reviewed Paper

Thinning by shading: economic benefit for organic apple growers?
E. Bravin, K. Kockerols, A. Widmer, M. Gölles – Reviewed Paper

Comparison of different thinning measures for organic grown apples (cultivar ‘Pinova’)
S. Sinatsch, B. Pfeiffer, I. Toups, J. Zimmer, B. Benduhn – Reviewed Paper

Effect of transpiration inhibitors on June fruit drop of apple trees
M. Kelderer, E. Lardschneider, A. Topp – Reviewed Paper

Small Fruit

Black and red currant cultivars for organic production
H. Lindhard Pedersen – Reviewed Paper

Effect of Plant Growth-Promoting Bacteria on Mineral – Organic Fertilizer Use Efficiency, Plant Growth and Mineral Contents of Strawberry (Fragaria x ananassa L. Duch.)
H. Karlidag, E. Yildirim, M.Turan, M. F. Donmez – Reviewed Paper

Potential Use of Plant Growth Promoting Rhizobacteria in Organic Broccoli (Brassica oleracea L., var. italica ) Production
E. Yildirim, H. Karlidag, M. Turan, M. F. Donmez – Reviewed Paper

Testing of varieties, mulch materials and biofungicides Supresivit (Trichoderma harzianum Rifai aggr.) and Polyversum (Pythium oligandrum Drechs.) in organic strawberries
S. Boček, P. Salaš, J. Mokričková, S. Patočková, M. Tvrzníková, H. Sasková – Reviewed Paper

Yield and fruit quality parameters of new early-ripening strawberry cultivars in organic growing on a highly Verticillium-infested site
H. Weissinger, R. Eggbauer, I. Steiner, A. Spornberger, R. Steffek, J. Altenburger, K. Jezik – Reviewed Paper

First experiences with two preceding crops in strawberry organic farming
L. Odstrcilova – Short Contribution

Evaluation of strawberry cultivars for resistance to Verticillium dahliae Kleb
A. Dressler, P. Scheewe, P. Lentzsch, K. Olbricht – Short Contribution

Difficulties with mustard as a biofumigation possibility against Verticillium-Wilt
C. Steen, K. Dillmann, R. Ortlieb – Short Contribution

Evaluation of the product Soleo® for control of powdery mildew in strawberry
E. Martín, E. Fernández, C. Solans, D. Bernad – Short Contribution

Effect of new organic fertilizers on growth of strawberry cv. Elsanta Preliminary results
E. Malusa’, L. Sas-Paszt, J. Ciesielska – Short Contribution

Effect of potassium bicarbonate on the control of powdery mildew (Sphaerotheca mors-uvae) of gooseberry (Ribes uva-crispa)
M. Wenneker, J.Kanne – Short Contribution

Which strawberry-varieties are suitable for organic fruit growers?
B. Pfeiffer, L. Brockamp – Short Contribution

Biological control of American gooseberry mildew – cultivation systems and preventive applications
L. Brockamp – Short Contribution

Stone Fruit

Suitability of sweet cherry cultivars for organic production in eastern Austria
S. Ostojic, J. Telfser, A. Spornberger, H. Keppel – Reviewed Paper

Testing of different Sour cherry cultivars under organic cultivation
B. Pfeiffer – Reviewed Paper

An experience of cherry fruit fly Rhagoletis cerasi control with nets in Trentino, Italy
A. Grassi, D. Profaizer, R. Maines, G.Visintainer – Reviewed Paper

Investigations of control strategies against Monilia disease in organic sour cherry production
S. Obenaus, H. Rank,P. Scheewe – Short Contribution

The first results of Trichoderma asperellum treatment in production of organic sour cherries
J. Kowalska, D. Remlein- Starosta – Short Contribution

Quality Analysis

Sensory and instrumental analysis of selected cultivars of apples from organic and conventional production
M.J. Adamczyk, E. Kostyra, G. Wasiak-Zys, E. Hallmann, D. Batorska, E. Rembia!kowska – Reviewed Paper

Reliable assessment of aroma patterns in fruit and vegetables
D. Ulrich, K. Olbricht – Short Contribution

Soil Management

Studies on earthworm populations in orchards
P. Scheewe, U. Arnold, S. Rußig, R. Drewes Alvarez – Reviewed Paper

Influence of effective microorganisms (EM) on yield and quality in organic apple production
M. Filipp, A. Spornberger, H. Keppel, R. Brunmayer – Reviewed Paper

Multitrophic effects of organic fertilization and tree-row management in cider-apple orchards
M. Miñarro, E. Dapena – Reviewed Paper

Economy

Cost price calculations for organically and conventionally grown apples in Sweden
J. Ascard, B. Håkansson, A. Hansson, H. Stridh, M. Söderlind – Reviewed Paper

Organic Fruit Growing in Albania

Promoting organic food in Albania
E. Leksinaj – Short Contribution

Improving organic apple growing in Kosovo and Albania – a challenge
A. Spornberger, E. Kullaj, A. Mehmeti, B. Öhlinger, S. Sylana, A. Demaj, T. Thomai – Short Contribution

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