1. Department of Microbial, Cellular and Molecular Biology; Addis Ababa University; PO B.1176 Addis Ababa Ethiopia
2. Department of Biology; Madawalabu University; PO B.247 Bale Robe Ethiopia
3. Department of Forest Mycology and Plant Pathology; Swedish University of Agricultural Sciences; PO B.7026 SE-750 07 Uppsala Sweden