This paper discussed the dynamic pattern of Xanthomonas campestris pv.citri and prevention and cure effect of pestides. The tests showed that Kocide and Baijuntong had better control effects.

• 探索了柑桔溃疡病的田间消长规律及药剂防治效果，实验表明，可杀得与百菌通防治效果较好，分别为94.；0%25和86