目前,在园林景观营造中蕨类植物因其病虫害相对较少,蕨类叶片颜色浓绿,生长势较强而受到欢迎,但因它喜欢生长在高温高湿的环境条件下,病虫危害也难以避免,其主要病害有以下几种:褐斑病。该病又叫叶斑病或叶枯病,常发生在叶片的顶端,受害叶片初期为圆形黑斑,后扩大成圆形或近圆形,边缘黑褐色,中央灰黑色并有小黑 At present, the ferns are welcomed in the landscape construction because of their relatively few pests and diseases and ferns with thick green color and strong growing potential. However, because of their preference for growing under the conditions of high temperature and high humidity, Difficult to avoid, the main diseases are the following: brown spot. The disease also known as leaf spot or leaf blight, often occurs in the top of the leaves, the victim leaves early circular black spots, enlarged into a round or nearly circular, dark brown edge, the central gray and black with black