Cladosporium colocasiae
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Cladosporium colocasiae - A–D) conidiophores and conidial chains, E–F) intercalary conidiogenous cells, G–H) microcyclic conidiogenesis with conidia forming secondary conidiophores, I) conidia, J) nodose conidiophore showing coronate scar structure, K) conidiophore with distinct swellings, L) conidiophore with coronate scars confined to swellings, M) conidiophore, N) conidia, scale bars = 5 (J), 10 (A–I, L–N), 20 (K) µm (click on image to enlarge it)
Author(s): K. Bensch, U. Braun, J.Z. Groenewald and P.W. Crous
Source: Studies in Mycology, 2012, 72, p. 279
Author(s): K. Bensch, U. Braun, J.Z. Groenewald and P.W. Crous
Source: Studies in Mycology, 2012, 72, p. 279
taro leaf (Colocasia esculenta) with symptoms of infection by Cladosporium colocasiae (click on image to enlarge it)
Author: Scot Nelson, Hawaii
Source: Flickr
Author: Scot Nelson, Hawaii
Source: Flickr
Cladosporium colocasiae Sawada 1916
The fungus causes leaf spots on taro, Colocasia esculenta, and is widely distributed in tropical regions around the world. The leaf spots are found most frequently on old leaves and are brown to dark brown (later yellow), oval to irregular, typically around 5-10 mm wide and sometimes coalescing.
The conidia are solitary or in short unbranched or branched chains, around 15-20 x 5-8 μm in size, elliptical to cylindrical, olivaceous-brown and smooth, aseptate or with up to 3 septa (Bensch et al., 2012).
