柑桔溃疡病被列为国内外的植物检疫对象,可为害柑桔的叶片、枝梢和果实。轻者发生病斑,降低果实品质,影响商品价值和外销;重者引起落叶、落果,树势衰弱,产量降低。苗木受害后,叶片脱落,生长受阻,延迟出圃,严重时叶片落光, Citrus canker disease is listed as a phytosanitary target at home and abroad and can damage the leaves, shoots and fruits of citrus. Light lesion occurs, reducing the quality of fruit, affecting the value of goods and export; heavy cause deciduous, deciduous, tree weak, production decreased. After the damage of seedlings, the leaves fall off, the growth is hindered, delay out of nursery, when the leaves are falling,