西洋杜鹃小叶病是指新生叶片簇生于枝顶且明显变小的一种病态,严重时叶片反卷成匙形,质脆。小叶病的发生严重影响了植株的光合作用,使株体变弱,花朵变小,甚至整株死亡。 Western Rhododendron leaf disease refers to the nascent leaves clustered at the top of the branches and significantly smaller of a pathological, serious when the blade rewind into spoon-shaped, crisp. Occurrence of leaflet disease severely affected the photosynthesis of plants, making the plants weaker, the flowers smaller and even the whole plant died.