观赏凤梨叶片多为革质,叶面或多或少被有蜡质鳞片,受病虫害的危害较少且容易防治。喜欢危海仙人掌和多肉植物的介壳虫也是危害凤梨的主要害虫。另外,在人工栽培环境中出现的病害,主要属于生理性病害,其致病诱因往往是浇水过多、盆土过干、施肥不当、光照不足、水质过碱和光照太强等,如介壳虫和红蜘蛛就是因为长期通风不良、温度不足等而滋生出来的。虫害泛指有害动物对植物体的危 Ornamental pineapple leaves mostly leathery, foliage more or less waxy scales, less susceptible to pests and diseases and easy to control. Like the sea of ​​cactus and succulent succulents are also harmful to pineapple main pests. In addition, diseases occurring in the artificial cultivation environment mainly belong to physiological diseases, and their pathogenicity inducing factors are often excessive watering, over-drying of basin soil, improper fertilization, inadequate illumination, excessive water quality and too strong light, Insects and red spider is due to poor long-term ventilation, lack of temperature and other breeding out. Pest refers to the danger of pests on the plant body