Alternariaster helianthi (Hansford) Simmons. 2007

on Helianthus

parasite

Leaf spots with caespituli. Conidia mostly solitary, 10-30 x 45-145 µm, 2-11 transversal, aometimes 1 or more longitudinal septa.

host plants

Asteraceae, monophagous

Helianthus annuus.

synonyms

Alternaria helianthi (Hansford) Tubaki & Nishihara, 1969.

references

Ariyawansa, Phukhamsakda, Thambugala ao, (2015a), Brandenburger (1985a: 625).