The systemic observation in the field for many years showed that temperature was the main factor affecting the dynamics ofcitruscanker in the stage of spring sprouting.
多年田间系统观察表明，柑橘溃疡病的消长，在春梢期，主要影响因子为气温。
2
The control effect of copper oxychloride on citruscanker was studied.
进行了氧氯化铜防治柑桔溃疡病的药效试验。
3
The typical symptom appeared as approximately circular spot with a yellow halo, without crateriform symptom as that ofcitruscanker.