洋兰通常指原产于热带亚热带地区的兰科附生类植物,常见有蝴蝶兰、兜兰、石斛兰、蕾丽兰、卡特兰等属种。洋兰以其奇特的花型和艳丽的色彩而成为倍受群众喜爱的高档室内观赏花卉。但由于居室莳养条件所限,往往极易感染根腐病而死亡。据笔者的一点小经验, Oregano usually refers to the orchid epiphytic plant native to the tropical and subtropical regions, common are Phalaenopsis, Paphiopedilx, Dendrobium, Lei Lilan, Cattleya and other genera. Yang Lan with its unique style and colorful colors and become loved by the masses upscale indoor ornamental flowers. However, due to limited living room conditions, often easily infected with root rot and died. According to my little experience,