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我区为脐橙栽培新区，脐橙面积大，调入种苗时不慎带入溃疡病原，并已普遍造成严重危害。目前，生产上防治溃疡病选用的药剂较为混乱，防治效果不佳，为有效控制该病的发生蔓延，我们在春季清园，摘除老病叶的基础上进行了本试验。１材料与方法试验在我市城关镇城西橙园进行，
My area is navel orange cultivation area, navel orange area, transferred into seedlings inadvertently brought into ulcer pathogen, and has generally caused serious harm. At present, the agents used in the production of ulcer prevention and cure are confused and the control effect is not good. In order to effectively control the spread of the disease, we carried out this experiment on the basis of clearing the spring and removing old diseased leaves. A material and method test in Chengguan Town, West Orange City Park,