兰花是著名花卉之一。在养花过程中,常为病害所侵袭,致使姿容减色,重则植株死亡。下面介绍几种比较常见病害。兰花炭疽病主要为害兰花叶片。初期叶面出现湿润状褐色斑点,扩展后呈半圆形至椭圆形,稍凹陷有的还可见轮纹状斑痕。后病斑 Orchid is one of the famous flowers. In the process of raising flowers, often attacked by the disease, resulting in the appearance of color, weight, then the plant died. Here are some of the more common diseases. Orchid anthracnose is the main damage to orchid leaves. Moisture brownish spots appear on the early leaf surface, extending to a semicircle to oval shape, with a slight depression some also visible round grain marks. After the lesion