七种苦苣苔科植物对光照度的适应性
Hubei Agricultural Sciences（2020）
Abstract
对苦苣苔科植物光照度适应性进行研究,以提高苦苣苔盆栽花卉品质,并推动其在园林中的合理配置应用.测定蚂蝗七、牛耳朵、银色鹿角、纤细半蒴苣苔、草叶粗筒苣苔、吊石苣苔、粉绿异裂苣苔7种苦苣苔科植物在不同遮光情况下的丙二醛、可溶性蛋白质及叶绿素含量等生理指标,观察其生长量.综合分析比较表明,7种苦苣苔科植物都有较强的耐阴性,在光照度为2 000～8 000 lx条件下能正常生长.对光照度的适应性由强到弱依次为吊石苣苔、粉绿异裂苣苔、银色鹿角、革叶粗筒苣苔、蚂蝗七、纤细半蒴苣苔、牛耳朵.
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