1. Department of Plant Protection, Fengshan Tropical Horticultural Experiment Station, Agricultural Research Institute, Kaohsiung 830, Taiwan.
2. Department of Plant Pathology, Plant Breeding and Acclimatization Institute, Radzikow, Poland.
3. Department of Plant Genetics, Breeding and Biotechnology, Warsaw Agricultural University, Warsaw, Poland.
4. Department of Plant Pathology, National Chung Hsing University, Taichung 402, Taiwan.
5. Department of Plant Pathology, University of Georgia, Griffin, GA 30223, USA.