| 氮磷钾对桔梗生长及次生代谢产物的影响 |
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| 引用本文： | 王静,王渭玲,徐福利,曹鲜艳,黄淑华,张晓虎,何军.氮磷钾对桔梗生长及次生代谢产物的影响[J].草业科学,2012,29(4):586-591. |
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| 作者姓名： | 王静 王渭玲 徐福利 曹鲜艳 黄淑华 张晓虎 何军 |
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| 作者单位： | 西北农林科技大学生命科学学院;西北农林科技大学;中国科学院、水利部水土保持研究所;商洛学院生物医药工程系;中国中医科学院商洛中药材GAP科研工程中心 |
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| 基金项目： | “十一五”国家支撑计划项目(2007BAD79B01);商洛市2009年科学技术研究发展计划项目“中国秦岭五大商药需肥规律与土壤肥力研究专项”(SKJ2009-09) |
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| 摘 要： | 通过田间试验，采用氮、磷、钾三因素二次D 饱和最优设计研究了氮、磷、钾肥及其配比施肥对桔梗（Platycodon grandiflorum）生长及次生代谢产物的影响。试验结果表明，施肥能显著提高桔梗药材产量，氮、磷、钾元素对桔梗药材产量影响依次为氮>钾>磷。氮、磷、钾元素对桔梗总皂苷含量影响依次为氮>钾>磷，对桔梗植株多糖含量影响依次为磷>氮>钾；氮、磷对黄酮积累表现出一定负效应。依据桔梗药材产量及总皂苷含量提出桔梗合理施肥方案为N 150 kg·hm-2、P2O5 79.41 kg·hm-2、K2O 225 kg·hm-2。
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| 关 键 词： | 桔梗 氮、磷、钾施肥 生长 次生代谢产物 |
Effects of nitrogen,phosphorus and potassium on the growth and secondary metabolites of Platycodon grandiflorum |
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| WANG Jing,WANG Wei ling,XU Fu li,CAO Xian yan,HUANG Shu hua,ZHANG Xiao hu.Effects of nitrogen,phosphorus and potassium on the growth and secondary metabolites of Platycodon grandiflorum[J].Pratacultural Science,2012,29(4):586-591. |
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| Authors: | WANG Jing WANG Wei ling XU Fu li CAO Xian yan HUANG Shu hua ZHANG Xiao hu |
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| Institution: | WANG Jing1,WANG Wei-ling1,XU Fu-li2, CAO Xian-yan1,HUANG Shu-hua1,ZHANG Xiao-hu3(1.College of Life Science,Northwest A & F University,Yangling 712100,China; 2.Institute of Soil & Water Conservation,Chinese Academy of Sciences and Ministry of Water Resource,Yangling 712100,China; 3.Department of Biomedical Engineering,Shangluo College,Chinese Academy of Traditional Chinese Medicine, Shangluo GAP Research Engineering Center for Traditional Chinese Medicine,Shangluo 726000,China) |
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| Abstract: | Based on the D-saturation optimal design with three factors of nitrogen,phosphorus and potassium,a field experiment was conducted to investigate the effects of fertilization with different nitrogen,phosphorus and potassium ratios on the growth and effective ingredients of Platycodon grandiflorum.This study showed that the fertilization greatly increased the medicinal yield of P.grandiflorum.The contribution of nitrogen,phosphorus and potassium to the medicinal yield was nitrogen>potassium>phosphorus.The effect of nitrogen,phosphorus and potassium application on the content of platycodin was also following the pattern as nitrogen>potassium>phosphorus.The effect of nitrogen,phosphorus and potassium application on the polysaccharide content was phosphorus>nitrogen>potassium.Nevertheless,both nitrogen and phosphorus had a negative effect on the accumulation of total flavone in P.grandiflorum.In terms of the medicinal yield and the content of platycodin,the optimal fertilization combination was 150 kg·hm-2 N,79.41 kg·hm-2 P2O5 together with 225 kg·hm-2 K2O. |
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| Keywords: | Platycodon grandiflorum nitrogen phosphorus potassium growth secondary metabolites |
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