由青枯假单胞杆菌(Pseudomonas solanacearum E.F.Smith)引起的桉树青枯病在国外尚未见报道。1983年广西林科所曹季丹等在桉树引种区中的柳桉(Eucalyptus saligna)和巨桉(E.grandis)上首先发现这种病害,并在1983年11月全国森林病害学术讨论会上作过介绍。1986年广东省雷州林业局在龙门、纪家林场和局林科所试验地上进行桉树种源试验,种子来自澳大利亚,有10个种,每种5亩,4月 Eucalyptus bacterial wilt caused by Pseudomonas solanacearum E.F. Smith has not been reported in other countries. In 1983, the Guangxi Forestry Branch Cao Jidan et al. First discovered this disease in Eucalyptus saligna and E. grandis in the introduction zone of eucalyptus and made it at the National Forest Disease Symposium in November 1983 Introduction. In 1986, Leizhou Forestry Bureau of Guangdong Province conducted eucalyptus provenance test on the ground that was tested by Longmen, Jijia Forest Farm and Bureau Linke. The seeds came from Australia and there were 10 species of 5 mu each in April