The typical symptom appeared as approximately circular spot with a yellow halo, without crateriform symptom as that of citrus canker.
病斑近圆形，周围有黄晕，但不象柑桔溃疡病那样有火山口开裂。
2
Among the eucalypt diseased, bacterial wilt, little-leaf, seedling, brown spot, leaf rust, shoot blight, stem canker and butt rot are new disease records in Taiwan.