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柑桔溃疡病是植物检疫对象，是柑桔生产上的重要病害，尤以脐橙发生严重。为了选择最佳农药防治溃疡病进行了本试验。试验园地处我县南部的巾石乡巾石村县水保站坡地果园，面积7．33hm2，品种为朋娜和纽荷尔脐橙，树龄6年生。土壤为花岗岩发育红壤，肥力中等。管理水平一般，树
Citrus canker disease is the object of plant quarantine, citrus production is an important disease, especially in serious orange-orange. In order to choose the best pesticide against ulcer disease, the experiment was carried out. Experimental Park is located in the southern county of Ishimi towel Shimura County Soil and Water Conservation Station slope orchard, with an area of 7.33hm2, varieties of Na Na and Newhall navel orange, 6 years old. Soil red granite soil development, fertility and medium. Management level in general, tree