Program
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Program 24.02.2026
11.30 Welcome coffee / Welcome snack / Registration / Arrival
13.00 Welcome, trends, company presentation
- NuPiWi: Strengthening nut production through knowledge transfer, Birge Wolf and Thorsten Michaelis, University of Kassel
- Overview of current trends in German hazelnut cultivation, Herbert Knuppen, Bonn
- Growing hazelnuts in the north is feasible! - Farm presentation, pruning, further processing, Britta Stechmann-Schuhmacher, Mittelkirchen
Impulses
- Fertilization in hazelnuts - the strategic tool for plant robustness: timing - fertilizer - strategies, Peter Hilsendegen, DLR Rheinpfalz
- Current status of rootstock breeding, fertilization, pollination, Dr. Thomas Wöhner, Julius Kühn Institute for Breeding Research on Fruit
- Plant protection - what is possible? - An overview, Lukas Myrzik, DLR Rheinpfalz
- Hazelnut borer - new results, Natalia Riemer, University of Kassel
15:15 Coffee break
15.45 Exchange & impulses
- Discussion stations on the 4 impulses
- Highlights from the discussion stations in the plenum
- Current trial results on hazelnut from TLLLR Erfurt, Dr. Martin Penzel, TLLLR
17:45 Coffee break
18.00 How do hazelnut trees develop? Different development of a grafted hazelnut tree in connection with different planting methods, soil cultivation and pruning measures. Andreas Gauch, Niederwil (CH)
18.45 Closing of the day - outlook
19.30 Dinner: Backhaus der Brauerei Schinkel, Walburger Str. 46, 37213 Witzenhausen
Program 25.02.2026
08.00 Welcome coffee / Registration / Arrival
08.30 Welcome, impulses
- The hazelnut situation in Piedmont - artificial fertilization - premature fruit harvest, Dr. Alberto Pansecchi, cultivation consultant for the Piedmont region (I) (translation by H. Knuppen)
- Hazelnut cultivation on three different continents - field trip reports from the USA, Balkan countries and China, Dr. Martin Penzel, TLLLR Erfurt
10.15 Coffee break
10.45 Impulses
- The calculation of a hazelnut plantation, Claudia Kuhaupt, TLLLR Erfurt
- The nut is harvested and now? Cracking, roasting, sale (direct - online), Charlotte Böckenhoff, Raesfeld
- Hazelnut requirements from the marketer's perspective, Gina Ortlieb, Ortlieb company
- Summary: Herbert Knuppen, Birge Wolf and Thorsten Michaelis
12:30 Lunch
13.30 Departure to the SollingNuss farm (Lindenstraße, 37170 Uslar-Schönhagen)
14.45 Excursion to Hendrik Hoffmann's farm , SollingNuss
- Tour of the hazelnut fields
- Final coffee in the wood hall
- Outlook: Herbert Knuppen, Birge Wolf and Thorsten Michaelis
17.00 End of the event
Moderation of the entire event: Thorsten Michaelis, University of Kassel