１病害荔枝和龙眼的病害种类约有４０余种。在我省发生为害较为严重的有龙眼鬼帚病和荔枝霜疫霉病。１１龙眼鬼帚病受害的龙眼幼叶狭小，叶缘内卷，重者全叶呈线状，烟褐色；成叶凸凹不平、叶缘卷曲；病梢秃枝，呈扫帚状；花朵畸形，不能结实，即使结实也不能食用。防治... 1 disease litchi and longan disease types of about 40 kinds. Occurred in our province more serious damage to longan ghost broom disease and lychee frost blight mildew. 11 longan ghost broom disease longan young leaves narrow, leaf margin within the volume, heavy leaves are linear, brown smoke; into the uneven leaves, leaf margin curly; broom-like branches, was broom-like; flowers deformity , Can not be strong, even if strong can not eat. Prevention ...