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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

M.Sc. Bruna Czarnobai De Jorge

PhD student

M.Sc. Bruna  Czarnobai De Jorge
Tel: +49(0)3946 47-4750
Fax: +49(0)3946 47-4805

Julius Kühn-Institut
Schwabenheimer Str. 101
69221 Dossenheim

Assignments and Research Activities:

  • Guest scientist/PhD student of the working group "Applied Chemical Ecology."
  • Research project: NANO-PUSH: Establishment of Nanofibers for the delivery of repellent substances to combat the pear leaf suckers Cacopsylla pyri and C. pyricola in fruit growing as part of a push-and-pull strategy.
  • Development and production of nanofibers made of biodegradable polymers with electrospinning technique.
  • Analysis of volatile (fragrances) and other plant metabolites.
  • Influence of info chemicals on the behavior of insects (laboratory and field trials).
  • Effects of phytoplasma infections on vector insects and host plants.
  • Electroantennography (EAG) with psyllids.
  • Studies on the biology of Cacopsylla pyri and C.pyricola.


  • Member of the “The Brazilian Phytopathological Society.” SBF
  • Member of the “German Society for General and Applied Entomology e. V (DgaaE)

Publications in the Julius Kühn-Institut