Prof. Gerhard Pietersen
ARC-Plant Protection Research Institute
c/o Dept. of Microbiology & Plant Pathology and FABI
Room 9-21, New Agriculture Building
Lunnon Street
University of Pretoria
0002 PRETORIA
South Africa
Tel: +27-12-420-3269 (University of Pretoria)

Tel: +27-12-808-8196 (ARC-PPRI)
Fax: 27-12-420-3266 (University of Pretoria)
Cel: 082-647-5326
Email: gerhard.pietersen@up.ac.za*

         or pieterseng@arc.agric.za 

*preferred