Puccinia fragosoi Bubák, 1916

op Allium

gall

spermogonia amphigenous, orange, often visible between the aecia. Aecia hypophyllous, cup-shaped, with a white peridium and an orange mass of spores.

spermogonia, aecia

Amaryllidaceae monophagous

Allium ampeloprasum, fistulosum, flavum, lusitanicum, polyanthum, roseum, schoenoprasum, senescens, sphaerocephalon.

notes

morphologically not with certainty distinguishable from other species on the same host plant.


Puccinia fragosoi: telium (section)

Rostraria cristata, from González Fragoso (1924a): section through a telium with bundles of paraphyses and teliospores (some unicellular)

on Koeleria, Rostraria

gall

uredinia mainly epiphyllous, yellowish brown, erupting through the epidermis, then pulverulent. Urediniospores ± globular, wall verucose with 8-10 germination pores. Telia hypophyllous, black, long covered by the epidermis, divided into compartments by rows of slender, brown, paraphyses. Teliospores 2-celled, not constricted; wall smooth, rather thin except apically at the flattened tip, where even irregular tubercles may develop; pedicel 10-20 µm long, relatively thick, brown, persistent

uredinia, telia

Poaceae, narrowly oligophagous

Koeleria hirsuta, macrantha, vallesiana subsp. castellana; Rostraria cristata, pubescens, rohlfsii.

synonyms

P. fragosoi is considered a junior synonym of P. hordei by the Index Fungorum (2016).

references

Gäumann (1959a), González Fragoso (1924a), Klenke & Scholler (2015a), Termorshuizen & Swertz (2011a).

10/04/2017

mod 17.vii.2017