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Julius Kühn-Institut (JKI)
Federal Research Institute
for Cultivated Plants

Professor Dr. Wilhelm Jelkmann

Address:  Horticulture
Schwabenheimer Straße 101
69221 Dossenheim, Germany

Ms Silvia Kowalczyk-Binder
Tel: +49 (0)3946 47 - 4700
Fax: +49 (0)3946 47 - 4805
E-mail: ow@  julius-kuehn.  de

Address: Viticulture
76833 Siebeldingen, Germany
Tel: 03946 47 4609
ow@  julius-kuehn.  de

branch office at DLR Mosel
Gartenstr. 18
54470 Bernkastel-Kues, Germany
Tel: +49(0)6531 - 956 483

Institute leaflet
Institute booklet

Dr. Christoph Hoffmann

Dr. Christoph  Hoffmann
Tel: +49 (0)3946 47 4609
Fax: +49 (0)6345 41 240

Julius Kühn-Institut
76833 Siebeldingen

Assignments and Research Activities:

  • Head of the laboratory Zoology and Integrated Plant Protection in Viticulture
  • Research on biology and ecology of pests and beneficials in viticulure
  • Development of new pest control stategies for integrated and organic production in viticulture
  • Registration of plant protection products: evaluation of the efficacy of plant protection products and their impact on the quality of wine
  • Functional biodiversity in the vineyard environment
  • National insect monitoring in wine-growing landscapes


  • Scientific secretary of the viticulture commission of the International Organization of Vine and Wine (O.I.V.)
  • Expert in plant protection for the Federal Republic of Germany at the International Organization of Vine and Wine (O.I.V.)
  • Convenor of the IOBC working group "Integrated Protection and Production in Viticulture"
  • Member of the “International Organization for Biological and Integrated Control of Noxious Animals and Weeds / West Palaearctic Regional Section” (IOBC/WPRS)
  • Member of the German Society for General and Applied Entomology (DGaaE)

Publications in the Julius Kühn-Institut