Diaporthe melonis (MFLU 23–0474) a host substrate b conidiomata on substrate c transverse section of conidioma d, e vertical section through conidiomata f, g conidiophores and conidiogenous cells h, i beta conidia j alpha conidia k a germinated conidium l front and reverse view of the colony on PDA. Scale bars: 200 μm (b–d); 100 μm (e); 20 μm (f, k); 10 μm (g, h–j).