观赏凤梨有五个属:擎天属、莺歌属、蜻蜓属、铁兰属、帧凤梨属。目前国内常见栽培的是擎天属。本文以擎天属凤梨为例,介绍北方日光温室观赏凤梨的栽培技术要点。繁殖观赏凤梨可通过播种、组织培养、分株等方法繁殖,种子繁殖的凤梨因种苗生长缓慢、长势较弱,一般要栽培5～10年才 There are five ornamental pineapple genus: genus, Yingge genus, dragonfly genus, genus Trentia, frame pineapple genus. Currently cultivated in China is genus genus. In this paper, the genus pineapple, for example, introduces the cultivation techniques of ornamental pineapple in the solar greenhouse in the north. Breeding ornamental pineapple through sowing, tissue culture, ramets and other methods of breeding, seed propagation of pineapple growth due to slow, weak growth, the general cultivation of 5 to 10 years