Zhao Cai-Yun, Jia Guo-Fu, He Zheng-Jun, Luo Qing-Fang, Fan Gang, Zhang Yi, Zhao Wen-Ji
College of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
Institute of Ethnobotany, Sichuan Academy of Grassland Science, Chengdu 611731, China.
Zhongguo Zhong Yao Za Zhi. 2018 May;43(9):1812-1817. doi: 10.19540/j.cnki.cjcmm.20180201.013.
This study is aimed to explore the effect of nitrogen, phosphorus and potassium combined application on the active components of Rhodiola crenulata. R. crenulata was used as the research object, "3414" fertilization experiment were conducted with regular fertilization of NPK(N 60 kg·hm⁻², P₂O₅ 100 kg·hm⁻²,KCl 160 kg·hm⁻²) to study the effect of different rates of NPK fertilization on the total amount of 4 phenolic constituents of gallic acid, salidroside, tyrol and ethyl gallate through field test. The results show that the content of salidroside was higher in the treatment of N₁P₂K₁ and N₁P₂K₂, andthe total amount of four phenols was higher in the treatment of N₁P₂K₂ and N₂P₂K₂. The suitable level of nitrogen, phosphorus and potassium promoted the accumulation of the 4 kinds of phenols.The amount of fertilizer recommended by the three factor fertilizer effect equation,(N 0 kg·hm⁻²,P₂O₅ 150 kg·hm⁻²,KCl 31.71 kg·hm⁻²) obtained the highest content of salidroside, and it was 1.54%.（N 35.54 kg·hm⁻²,P₂O₅ 150 kg·hm⁻²,KCl 237.73 kg·hm⁻²）obtained the highest content of 4 kinds of phenolic compounds, and it was 1.93%. This study provides a reference for the standardization of artificial planting of endangered Tibetan medicine.
本研究旨在探讨氮、磷、钾配施对大花红景天活性成分的影响。以大花红景天为研究对象，采用“3414”施肥试验，常规施肥量为N 60 kg·hm⁻²、P₂O₅ 100 kg·hm⁻²、KCl 160 kg·hm⁻²，通过田间试验研究不同氮磷钾施肥量对没食子酸、红景天苷、酪醇和没食子酸乙酯4种酚类成分总量的影响。结果表明，红景天苷含量在N₁P₂K₁和N₁P₂K₂处理中较高，4种酚类总量在N₁P₂K₂和N₂P₂K₂处理中较高。适宜的氮、磷、钾水平促进了4种酚类物质的积累。通过三元肥料效应方程推荐的施肥量（N 0 kg·hm⁻²、P₂O₅ 150 kg·hm⁻²、KCl 31.71 kg·hm⁻²）红景天苷含量最高，为1.54%。（N 35.54 kg·hm⁻²、P₂O₅ 150 kg·hm⁻²、KCl 237.73 kg·hm⁻²）4种酚类化合物含量最高，为1.93%。本研究为濒危藏药人工种植规范化提供参考。
