果树小叶病在我山西果区较为普遍,主要发生在新梢和叶片上,病树春季抽叶后,生长停滞,在新梢的顶部出现硬而窄的小叶簇生,类似柳树叶子,俗称“马鞭枝”或“族叶病”,一般叶缘向上卷,质脆而硬,呈淡黄绿色,或浓淡不均或形成光腿现象,严重的枝条 Fruit tree leaf disease in my Shanxi fruit area is more common, mainly in the shoots and leaves, the spring tree leaves, the growth stagnant, the top of the shoots appear hard and narrow leaflet clusters, similar to willow leaves, commonly known as “whip Branches ”or“ family leaf disease ”, the general leaf margin up volume, brittle and hard, yellowish green, or uneven or the formation of bare legs, serious branches