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