Capnodiales » Cladosporiaceae » Cladosporium

Cladosporium cucumerinum

Cladosporium cucumerinum Ellis & Arthur, Bull. Indiana Agric. Stat. 19: 9 (1889)

Index Fungorum number: IF 164454; Facesofungi number: FoF 03823

            Saprotrophic on dead and aerial branch of Vitis vinifera. Sexual morph: Not observed. Asexual morph: Conidiomata superficial, partly immersed on the substrate, composed of septate, branched, smooth, thin-walled, subhyaline to light brown hyphae. Conidiophores 150–256 × 8–11 µm diam (x̄ = 189 × 10 µm, n = 100), macronematous, subhyaline to light brown, thin-walled, smooth, 0–1-septate, unbranched, straight or flexuous, cylindrical. Conidiogenous cells 10–16 × 6–7 µm (x̄ = 11 × 6 µm, n = 100), holoblastic, monoblastic, integrated, terminal, determinate, cylindrical to sublate, hyaline to subhyaline, rough. Conidia 28–52 × 4–6 µm (x̄ = 45 × 5 µm, n = 100), acrogenous, enteroblastic, phialidic, hyaline to subhyaline, 0–1-septate, subglobose, clavate, rough, thin-walled.

Material examined: ITALY, Province of Forlì-Cesena, Farazzano, on dead and aerial branch of Vitis vinifera (Vitaceae), 30 January 2014, Erio Camporesi, IT 1690 (MFLU 14–0206).

Notes: Cladosporium cucumerinum is a well-known pathogen causing scab disease of cucumber (Ogorek et al. 2012). This study provides the first record of this species as a saprotroph on Vitis vinifera.

 

Figure x.  Cladosporium cucumerinum. a. Colonies on host tissue. b. Conidioma. c-f. Conidiophores. f-i. Conidiophores with conidiogenous cells. j-o. Conidia. p-t. Conidiogenous cells. Scale bars: a–b=500 µm, c–i=100 µm, j–t=50 µm..

 

References:

Jayawardena RS, Hyde KD, Chethana KW, Daranagama DA et al. 2018 Saprotrophic fungi on Vitis in China, Italy, Russia and Thailand. Mycosphere notes 9, 1–114.

Ogórek R, Lejman A, Pusz W, Miłuch A et al. 2012 – Characteristics and taxonomy of Cladosporium fungi. Mikologia lekarska 19, 80–85.

 

Last Update: 20 September 2021

 

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