苹果轮纹病(Fhysalospora piricola Nose)又名瘤皮病或粗皮病,寄主范围广,除苹果外,尚为害梨、桃、海棠等多种果树.它在苹果上主要为害枝干和果实.被害枝干以皮孔为中心,形成瘤状突起,继而扩大成为病斑,严重时病瘤累累,枝条枯死.果实多以皮目为中心向外扩展形成同心轮纹状病斑.温度适宜时,扩展迅速,数日内全果即溃烂. Apple tree disease (Fhysalospora piricola Nose), also known as oncosis or dysentery disease, host a wide range, in addition to the apple, but also pear, peach, begonia and other fruit trees.It is mainly on the apple damaged branches and fruits. Branch of the lenticel as the center, the formation of tumor-like protuberance, and then expand to become a lesion, severe disease when the tumor is tired, the branches withered.The fruit to the skin as the center outward expansion to form concentric rotifer stripe.When the temperature is appropriate, Rapid expansion, the whole fruit within a few days fester.