Phyllactinia ampelopsidis Yu & Lai, 1979

onAmpelopsis, Parthenocissus, Vitis

gall

mycelium both internal and external; external mycelium amphigenous, mainly hypophyllous, thin, white. Appressoria nipple-shaped, rod-shaped or coralloid, single. Conidia formed one by one, clavate, without fibrosin bodies. Conidiophore long and thin. Cleistothecia hypophyllous, 150-280 µm, with 8-35 asci that contain 2 spores. Appendages 5-14, in an equatorial circle, 1-2 as long as the diameter of the cleistothecium. They are acicular, abruptly and strongly swollen at their base.

hostplants

Vitaceae, oligophagous

Ampelopsis glandulosa; Parthenocissus tricuspidata; Vitis vinifera.

references

Braun & Cook (2012a), Klenke & Scholler (2015a).

04/12/2015