Proceedings 2004
Topics
Strategies for Pest Control
Strategies for Disease Control
Fruit Thinning and Crop Load Regulation
Breeding and Testing of Cultivars
Further Topics
Content
Control of the apple sawfly Hoplocampa testudinea Klug in organic fruit growing and possible side effects of control strategies on Aphelinus mali Haldeman and other beneficial insects
Kienzle, J. ; Zimmer, J.; Klopp, K.; Maxin, P.; Yamada, K.; Bathon, H.; Zebitz, C.P.W.; Ternes, P.; Vogt, H.
Sex pheromones and plant volatiles for control of orchard insects0
Peter Witzgall
Control of Grapholitha lobarzewskii in the region Bodensee
Barbara Kopp, Franz Ruess
Ryania Speciosa: an insecticide for organic orchards?
Markus Kelderer , Manuela Sgarbossa, Gudrun Schönweger, Ellen Elias, Zelger Roland, Johann Santer, Hermann Stuppner
Attractive plant volatiles as a control method against apple fruit moth (Argyresthia conjugella Zell.)?
Gunnhild Jaastad, Geir K. Knudsen, Sverre Kobro, Anna-Carin Bäckman, Peter Witzgall and Marie Bengtsson
Efficacy of different insecticides and a repellent against the European pear sucker (Cacopsylla pyri)
Claudia Daniel and Eric Wyss
Controlling cherry fruit-fly (Rhagoletis cerasi L.)
Karlheinz Geipel, Wolfgang Kreckl
Basic results in biological control of the European Cherry Fruit Fly Rhagoletis cerasi L. (Diptera: Tephritidae) with entomopathogenic nematodes
Kirsten Köppler, Arne Peters, Heidrun Vogt
Prevention of vole damage in organic pomiculture
Walther, B.; Pelz, H.-J.
Host age selection behaviour of Trichogramma aurosum Sugonjaev & Sorokina (Hymenoptera: Trichogrammatidae)
Samara R.Y., Monje J.C. & Zebitz C.P.W.
Strategies for Disease Control
The effectiveness of winter treatments with copper or lime sulphur to control Sooty Blotch on apple
Marc Trapman
Examinations to date the exactly time of Infections of Sooty Blootch in 2003 in the region Bodensee
Barbara Kopp
Economics of Hot Water Dippin
Maxin P., Klopp K.
Investigations on alternative substances for control of apple scab –
results from sanitation trialsl
Pfeiffer B., Alt S., Häfner C., Hein B., Schulz C., Kollar A.
Reduction of the ascospore potential by calcium
Barbara Kopp
Inoculim related scab control in organic farming
Peter Triloff
Results from two years of sanitation measures to reduce apple scab in organic orchards
Markus Kelderer , Ewald Lardschneider, Klaus Marschall
Results in research on lime sulphur and other products to control apple scab under northern German climate conditions
Karsten Klopp, Petra Kruse, Peter Maxin, Gerd Palm
Investigations on alternative substances for control of apple scab –
Results from Conidia germinating tests and experiments with plant extracts
Pfeiffer B., Alt S., Hein B., Schulz C., Kollar, A.
Fire blight in different production systems in Germany and strategies to control the disease
Wilhelm Jelkmann
Four years of experience with the control of plum rust in organic production
Andreas Häseli
Disease control in organic cherry production with new products and early plas-tic cover of the trees
Andreas Häseli und Franco Weibel
Evaluation of grapefruit seed extract as natural fungicide to control apple scab in organic apple growing
Marc Trapman
Effects of burying and removing dead leaves from the ground on the development of scab epidemics in an apple organic orchard
C. Gomez, L. Brun, D. Chauffour, D. de Le Vallée, E. Rolland
Apple scab control with grapefruit seed extract: no alternative to chemical fungicides
Renate Spitaler , Klaus Marschall , Christian Zidorn, Kelderer Markus, Roland Zelger, Hermann Stuppner
Investigation on the Biocontrol of Phytophthora diseases on strawberry based on antagonism
J. Anandhakumar & W. Zeller
Fruit Thinning and Crop Load Regulation
Results from thinning experiments in 2002 and 2003
Pfeiffer B., Englert, M.
Vinasse: an alternative to lime sulphur for flower thinning?
Markus Kelderer , Ewald Lardschneider, Claudio Casera
Reduction of net photosynthesis after blossom: a possibility to control alternate bearing in organic orchards?
Markus Prantl , Markus Kelderer , Luca Corelli Grapadelli , Ewald Lardschneider
Breeding and Testing of Cultivars
Susceptibility to Apple Scab, Nectria Cancer and Powdery Mildew of Different Unsprayed Apple Varieties
Birka Falk Kühn
Testing of the apple varieties ‘Topaz’ and ‘Rubinola’ on different rootstocks
Franz Ruess
Sour cherry breeding – Resistance to leaf spot diseases, Blumeriella jaapii
Mirko Schuster
Fruit quality of Elstar en Santana in the Netherlands
Pieter Jans Jansonius
Apple and Pear Cultivars for Organic Production in a Cool Climate
Dag Røen, Gunnhild Jaastad and Stein Harald Hjeltnes
Combined production of broilers and fruits
H. Lindhard Pedersen, A. Olsen , K. Horsted, M. Korsgaard and B. Pedersen
Soil treatments and rootstocks for organic apple production
Hanne Lindhard Pedersen and Birgitte Pedersen
Results from a Research Project about foliar fertilizers in organic fruit-growing
Belz, J., Pfeiffer, B.
Sensory and health-related fruit quality of organic apples. A comparative field study over three years using conventional and holistic methods to assess fruit quality
Franco P. Weibel, Dieter Treutter, Ursula Graf and Andi Häseli
Consumer Reaction to the “Flavour Group Concept” to introduce Scab Resistant Apple Varieties into the Market. “Variety-Teams” as a Further Development of the Concept
Franco Weibel and Alfred Leder
Residues of copper and sulphur on fruits from organic orchards
Markus Kelderer , Aldo Matteazzi, Claudio Casera
A comparison between organic and integrated apple production: First results after 5 years of observation
Kreuzwieser Andreas , Kelderer Markus