Dr. Phyto

Japanese persimmon / kaki

Diospyros kaki

Diseases & pests on this plant

• circular leaf spot of persimmonMycosphaerella nawae

  Round (3-7mm) dark brown spots with yellow halos on leaves, spots may have grey centers in late season, severe infections cause yellowing + premature defoliation, persimmon-specific (no other hosts), fruit drop in heavy infections.

• brown soft scaleCoccus hesperidum

  Flat oval brown-tan scales (3-5mm) on undersides of leaves + along stems, sticky honeydew dripping onto floor or lower leaves, black sooty mould growing on the honeydew, leaf yellowing + drop in heavy infestations, ants attracted to honeydew.

• anthracnoseColletotrichum gloeosporioides

  Dark brown to black sunken spots on leaves often with concentric rings, spots expand + coalesce into irregular blotches, severely infected leaves drop, branch dieback in heavy attacks, pink-orange spore masses produced on lesions in moist conditions.

• bacterial blight / canker (multi-host)Pseudomonas syringae pv. syringae

  Brown-black angular leaf spots with yellow halos, blackened buds + young shoots that fail to open, sunken brown cankers on stems with bacterial ooze in spring, blossom blight in cool wet bloom periods, branch dieback in heavy infections.