Mycosphaerellales » Mycosphaerellaceae » Neoramularia

Neoramularia eurotiae

Neoramularia eurotiae (Gamalizk.) U. Braun, Nova Hedwigia 53(3-4): 292 (1991).

 ≡ Ramularia eurotiae Gamalizk., in Domaschova & Gamalitzkaja, Trudy Inst. Bot. Acad. Sci. Kazakh SSR 13: 278 (1962).

Index Fungorum number: IF 354526; Facesoffungi number: FoF 11280, Fig. 1

Description: see Videira et al. (2016, 2017).

Material examined: see Videira et al. (2016, 2017).

Fig. 1 Neoramularia eurotiae (No. 41968, LE herbarium, holotype of Ramularia eurotiae). a Leaf spot symptoms on the host. b Conidiogenous cells and conidia. c Conidia. Scale bars = 10 μm.

Importance and distribution

Neoramularia species are associated with leaf spot. There are 14 Neoramularia epithets in Index Fungorum (2022), but four species have been transferred to Cercosporella, Neoovularia, Ramularia and Spermosporina. Neoramularia comprises ten species known on several host plants such as Aster engelmannii (Asteraceae), Bidens tripartita (Asteraceae), Capparis spinosa (Capparaceae), Krascheninnikovia ceratoides (Amaranthaceae), Mariscus graminella (Cyperaceae), Brachypodium sylvaticum (Poaceae), Vitex agnus-castus (Lamiaceae), Ceratocarpus arenarius (Amaranthaceae), Eurotia ceratoides (Amaranthaceae) and Kochia prostrata (Amaranthaceae). Neoramularia is reported from several countries such as Asia (India, Korea, Russia, Uzbekistan), Europe (Austria, Caucasus, Poland, Turkey) and Union of Soviet Socialist Republics (USSR). Neoramularia has high diversity but several species lack sequence data. An attempt to recollect and sequence species of Neoramularia is needed to understand the diversity and taxonomy of the genus.

 

Quarantine significance

Neoramularia is of quarantine significance due to its supposedly pathogenic nature (Peter 2012).

 

Biochemical importance of the genus, chemical diversity or applications

Neoramularia is a source of flavonoids (Андріанова et al. 2019).

 

References  

EPPO Global Database. (2022). https://gd.eppo.int/taxon/SCIRAC/distribution

Videira SIR, Groenewald JZ, Braun U, Shin HD, Crous PW. 2016 – All that glitters is not Ramularia. Studies in Mycology 83, 49–163. https://doi.org/10.1016/j.simyco.2016.06.001

Videira SIR, Groenewald JZ, Nakashima C, Braun U, Barreto RW, de Wit PJGM, Crous PW. 2017 – Mycosphaerellaceae - Chaos or clarity? Studies in Mycology 87, 257–421. https://doi.org/10.1016/j.simyco.2017.09.003

Андріанова TB, Теряєва НП, Ковальчук ЮМ. 2019 – Total flavonoid production in some medicinal plants and their pathogenic fungi. Experimental articles No. 1. https://doi.org/10.18372/2306-6407.1.14144

 

About Dothideomycetes

The website Dothideomycetes.org provides an up-to-date classification and account of all genera of the class Dothideomycetes.

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