Bacterial wilt caused by Ralstonia solanacearum is a primary disease to Eucalyptus.The occurrence in Eucalyptus has brought great damages in south provinces of China.

• 摘要桉树青枯病害是危害桉树生产的主要病害，近年来桉树青枯病的流行和发生对我国南方桉树产业造成很大经济损失。