Pine die-back disease found in Jiangsu Province.
In recent years, pine dieback disease caused by Sphaeropsis sapinea (Diplodia pinea) was found in many areas of Jiangsu Province, China. This disease severely attacks Pinus elliottii, P. taeda, P. thunbergii in the province, and causes a great number of trees to die or severely decline. Results of preliminary investigations are reported. Some control methods are suggested.