Entyloma dahliae Sydow & Sydow, 1912

on Dahlia

gall

3-15 mm wide leaf spots, initially bluish green, finally brown and drying in the centre. Spores embedded in the host tissue, single or in small groups or rows, hyaline-golden yellow, 8-17 µm, wall smooth, two-layered.

host plants

Asteraceae, monophagous

Dahlia atropurpurea, coccinea, x hortensis, pinnata.

references

Ainsworth & Sampson (1950a), Almaraz (1998a), Beenken & Senn-Irlet (2016a), Klenke & Scholler (2015a), Kruse (2014a), Ludwig (1974a), Mułenko, Piątek, Wołczańska ao (2010a), Negrean & Anastasiu (2006a), Savchenko & Heluta (2012a), Scholz & Scholz (2013a), Vanderweyen & Fraiture (2014a), Vánky (1994a).

mod 20.iii.2019