Fusarium triseptatum
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Fusarium triseptatum - a+b) culture on PDA, c+D) conidiophores and sporodochia on surface of carnation leaf, e-h) conidiophores and phialides, i-k) sporodochia and sporodochial conidiophores, l) chlamydospore, m) microconidia, n) macroconidia - scale bars: e–h, l–n = 10 μm; i–k = 20 μm (click to enlarge)
Author(s): L. Lombard, M. Sandoval-Denis, S.C. Lamprecht, and P.W. Crous
Source: Persoonia (2019), 43, p. 28
Author(s): L. Lombard, M. Sandoval-Denis, S.C. Lamprecht, and P.W. Crous
Source: Persoonia (2019), 43, p. 28
Fusarium oxysporum f.sp. batatas symptoms on stem of sweetpotato (click on image to enlarge it)
Source: Clemson University - USDA Cooperative Extension Slide Series - IPM Images
Source: Clemson University - USDA Cooperative Extension Slide Series - IPM Images
Fusarium triseptatum Lombard & Crous 2019
This fungus has been described from the U.S.A. as infecting sweet potatoes. It is part of the Fusarium oxysporum species complex and probably represents strains previously described as Fusarium oxysporum f.sp. batatas. This forma specialis causes root rot and wilt diseases, and sweet potato losses may reach 50%. Publications dealing with Fusarium oxysporum f.sp. batatas are included in the literature references (top left).
Strains of F. triseptatum has been also isolated from wilted cotton in Africa, from sago starch in Papua New Guinea, and from human eye in the U.S. (Lombard et al., 2019).
Synonyms:
Fusarium batatas
Fusarium oxysporum f.sp. batatas
