GUO Yumei,ZENG Lingjie,LIANG Shuying,et al.Effect of UV-B Radiation on Growth and Main Secondary Metabolites of Dendrobium officinale Kimura et Migo[J].Northern Horticulture,2016,40(17):154-156.[doi:10.11937/bfyy.201617037]
UV-B辐射对铁皮石斛生长及主要次生代谢产物的影响
- Title:
- Effect of UV-B Radiation on Growth and Main Secondary Metabolites of Dendrobium officinale Kimura et Migo
- Keywords:
- Dendrobium officinale Kimura et Migo; UV-B radiation; growth; secondary metabolites; effect
- 文献标志码:
- A
- 摘要:
- 以4个不同来源的铁皮石斛幼苗为试材，采用人工模拟UV-B辐射处理，研究了UV-B辐射对铁皮石斛幼苗生长及总多糖、总黄酮、总生物碱等主要次生代谢产物含量的影响。结果表明：在UV-B辐射下，4个不同来源的铁皮石斛叶片均出现焦黄、掉叶现象，萌芽率增加；其主要次生代谢产物均增加。
- Abstract:
- To explore the impact of UV-B radiation on growth and main secondary metabolites from different sources of Dendrobium officinale Kimura et Migo，four cultivars of D.officinale with artificial UV-B radiation and examined the brown rates of their leaves，germination percentage，polysaccharide contents，flavonoid contents，and alkaloid contents were treated.The results showed that under the UV-B radiation，defoliated and brown leaves appeared within all the four cultivars of D.officinale，and at the same time their germination rates and their main secondary metabolites increased.
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备注/Memo
第一作者简介：郭玉梅（1992-），女，湖南娄底人，硕士研究生，研究方向为中药质量评价。E-mail:1121873134@qq.com.责任作者：曾令杰（1970-），男，博士，教授，研究方向为中药材GAP种植与中药质量。E-mail:598479380@qq.com.基金项目：广东省科技计划资助项目（2012A030100012；2014A020221089）。