Current Collaborators

Dietrich Stephan

Position	Researcher
Safecrop project acronym	FORMULA
current site of work	Istituto agrario di S. Michele all'Adige IASMA
street, number	via Mach, 1
city	S. Michele all'Adige TN
postal code	38010
country	Italy
e-mail	d.stephan@bba.de
phone	+49 6151 407 238
mobile phone
degree, Msc, or PhD; when; where; on what subject; title of the thesis	PhD, 1998, University of Bonn, Faculty of Agriculture "Investigations on the development of a preparation of the entomopathogenic fungi Metarhizium anisopliae and M. flavoviride for control of the African Locust Locusta migratoria and the Desert Locust Schistocerca gregaria"
expertise	biological control, plant pathology, entomology
professional societies	DGaaE, ATSAF, DFOR
research experience, training, professional stages	12 years experience in biologicial control of insects and plant diseases; Development of preparations of entomopathogenic fungi, Screening of antagonists for control of phytopathogens, production and formulation of microorganisms and their metabolites, biological control in the tropics and subtropics
languages (level: mother tongue, fluent, basic)	German (mother tongue) english (fluent)
current research area	production and formulation of BCAs

Publication List:

Kassa, A. Stephan, D., Vidal, S., Zimmermann, G., 2004, Production and processing of Metarhizium anisopliae var. acridum submerged conidia for locusts and grasshopper control. Mycological Research 108: 93-100

Kassa, A. Stephan, D., Vidal, S., Zimmermann, G., 2004, Laboratory and field evaluation of different formulations of Metarhizium anisopliae var. acridum submerged spores and aerial conidia for the control of locusts and grasshoppers. Biocontrol 49. p. 63 - 81

Kassa, A.; Zimmermann, G., Stephan, D.; Vidal, S.; 2002, Susceptibility of Sitophilus zeamais (Motsch.) (Coleoptera: Curculionidea) and Prostephanus truncatus (Horn) (Coleoptera: Bostrichidae) to entomopathogenic fungi from Ethiopia. Biocontrol Science and Technology, 12, p. 727-736.

Kleespies, R. G., Huger, A. M., Stephan, D., 2000, Diagnosis and pathology of diseases from locusts and other orthopterans, GTZ Project 'Locust Control Africa. 43 pp

Stephan, D. Schmitt, Annegret, Koch, E., 2003: EU-Projekt – Development of a systems approach for the management of late blight in EU organic potato production. In: Kühne, S and Friedrich, B.; Pflanzenschutz im Ökologischen Landbau – Probleme und Lösungsansätze – Siebtes Fachgespräch am 6. Juni 2002 in Berlin-Dahlem, ”Alternativen zur Anwendung von Kupfer als Pflanzenschutzmittel”, Berichte aus der Biologischen Bundesanstalt Heft 118, 2003, Saphir Verlag D-Ribbesbüttel. p. 67 -69.

Stephan, D., Welling, M., Zimmermann, G., 1995: Locust control with Metarhizium anisopliae: New approaches in the development of a biopreparation based on blastospores. In: Krall, S, Peveling, R.; Ba Diallo, D. (eds), New Strategies in Locust Control, Birkäuser Verlag, Basel/Switzerland, p.151-158.

Stephan, D., Zimmermann, G. 2001: Locust control with Metarhizium flavoviride: Drying and formulation of submerged spores. In: Koch, E., Leinonen, P. (eds.), cost action 830 microbial inoculants for agriculture and environment - formulation of microbial inoculants, European Commission, EUR 19692, p. 27-34.

Stephan, D., Zimmermann, G., 1998: Development of a spray-drying technique for submerged spores of entomopathogenic fungi. Biocontrol Science and Technology, 8, p. 3-11

Stephan, D.; Koch, E., 2002: Screening of plant extracts, micro-organisms and commercial preparations for biological control of Phytophthora infestans on detached potato leaves. IOBC wprs Bulletin Vol. 25 (10), pp. 391 - 394.

Stephan, D.; Schmitt, A.; Martins Carvalho, S, Seddon, B. Koch, E: Evaluation of biocontrol preparations and plant extracts for the control of Phytophthora infestans on potatoes, European Journal of Plant Pathology (submitted)

Welling, M., Stephan, D., Zimmermann, G., 1995: Preliminary investigations on the combination of Metarhizium flavoviride blastospores with botanicals (Neem, Melia) for biological locust control. In: Krall, S, Peveling, R.; Ba Diallo, D. (eds), New Strategies in Locust Control, Birhäuser Verlag, Basel/Switzerland, p.151-158.

Zelazny, B., Stephan, D., Hamacher, J., 1994: Irregular crystal formation in some isolates of Bacillus thuringiensis. J. Invert. Pathology 63, p. 229-234