 pathotype Bangladesh Phytopathological SocietyPaper Keywords: pathotypecontrol black scurf Root-knot nematode Potato Chemical control. seed borne fungi. survey. Rhizoctonia solani Trichoderma harzianum fungicides BAU-Biofungicide Integrated management Banana. Xanthomonas oryzae pv. oryzae Fusarium oxysporum rice incidence Sclerotium rolfsii diseases Mycoflora Pseudocercospora leaf spot aggregate sheath spot Rhizoctonia oryzae-sativae Okra fungicide Provax-200 stem canker 