disease_substrate_fungus
fungus
In rainy season, the leaves of this plant were heavily infected with this fungus. Even in the initial stage of disease development, the leaf lesions are nearly blackish and easily noticeable. Therefore the Korean name of the disease is suggested as 'Geomeun-muni-byong', which means literally 'black-lesion-disease'.
Septoria clematidis-rectae
Septoria clematidis-rectae