Septoria dianthi
leaf spot of carnations
Worldwide
OH, AL, IA, MI, NY, CA, HI, MS, TX, NC, NJ
2024-08-19
fungus
Korea
Dianthus
SEPTDN
Septoria dianthi causes small circular brown spots with purplish brown borders on the leaves and stems of the plants. Small black specks may occur and lead to leaf deformation, necrosis, and scorching appearance. It can survive on infected plant debris. Once spores are released, they can be dispersed through wind, rain, and water.
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