First report of Colletotrichum karstii causing anthracnose on citrus in the Mediterranean region of Turkey.
In the early 2011, anthracnose-like symptoms were observed on lemon (Citrus lemon) cv. Kütdiken and mandarin (Citrus reticulata) cv. Okitsu in Southern Turkey. Symptoms appeared as dieback and wither-tip of twigs, followed by circular light tan areas with purple margins on leaves. In severe attack infections, diseased fruits produced black acervuli on lesions (1-3 mm). The causal pathogen was isolated and identified as Colletotrichum karstii based on morphological characteristics, DNA sequence analysis and pathogenicity test. This is thought to be the first report of C. karstii infecting citrus species in Turkey.