:: cooperations ::

Country	Organisation	People	Period
Ethiopia	University of Jimma	Lulu Belete Getinet Desalegn	1993-1997 2003-2004
P. R. China	South China Institute of Botany, Academica Sinica; Zhongshan University, Guangzhou	Ding Ming Mao Yang Yia-Cheng	1988-1992
Denmark	University of Copenhagen	A. Kjöller, S. Struwe	1993-1997
Germany	Biologische Bundesanstalt und Bundesforschungsanstalt für Landwirtschaft, beide Braunschweig	C.C. Tebbe K. Smalla	1998
Finnland	VTT University of Helsinki	M. Itavaara M. Romantschuk	Current
Frankreich	INRA Dijon	S. Houot	2002-2003
Italy	Università di Udine, DPVTA,Udine Università di Napoli Federico I, Napoli Istituto Sperimentale per la Nutrizione delle Piante, Roma	A. Piccolo M. DeNobili A. Benedetti	Until currently
Croatia	Univ. of Zagreb (Inst.of Intern. Relations)	S. Tisma	1998-2002
Switzerland	Universität Basel, Botanisches Institut	C. Körner	1997
Thailand	University of Khon Kaen Suranaree University, Nakhon Ratchasima	N. Riddech	1999-2003
USA	NASA, Kennedy Space Center, Fl	J. Garland	1996-1997