Figure 3:Development of Sclerotium rolfsii isolate SC64 on stem of Cyperus difformis observed with scanning electron microscopy (a) Hyphae of S. rolfsii SC64 on the leaf surface which formed a dense hyphal network, 100×; (b) Branching hyphae of S. rolfsii SC64, 1000×; (c, d, e) Wavelike hyphae spreading on the leaf surface, secreting mucilage and entered into the host tissues through the stromata, 1000×; 2000 × and 2000×, respectively; (f, g, h) Mucilage covering hyphal tips and ramifying hyphea entered into the host tissues through crevasses on the stem surface, 3000×; 3000 × and 1500×, respectively.