小鸟花（ Ｈｅｌｉｃｏｎｉａ　 ｐｓｉｔｔａｃｏｒｕｍ）又名假天堂鸟，是一种需光强的高档切花植物，不足的光照强度是限制小鸟花切花产量的主要因子［１，２］，有关温度、光照和光周期对小鸟花生长及切花产量的影响已有一些报道［３，４］，但光照影响小鸟花细胞组织结构 Heliconia psittacorum, also known as fake bird of paradise, is a kind of high-grade cut flower plant with high light intensity. Insufficient light intensity is a major factor limiting the yield of cut flowers of birds [1,2]. The temperature, light and photoperiod The impact on the growth of small birds and cut flowers have been reported [3,4], but the light affects the structure of small birds flower cells