LI Yun-qi,LI Ming,TANG Kun,et al.Study on Autotoxicity of Andrographis paniculata(Burm.F.)Nees Vegetative[J].Northern Horticulture,2014,38(21):157-160.
穿心莲营养体的化感自毒作用研究
- Title:
- Study on Autotoxicity of Andrographis paniculata(Burm.F.)Nees Vegetative
- 文章编号:
- 1001-0009（2014）21-0157-04
- Keywords:
- allelopathic autotoxicity; Andrographis paniculata(Burm.F.)Nees; seed germination; seedling growth
- 分类号:
- S 567.239
- 文献标志码:
- A
- 摘要:
- 采用室内生物测定的方法，设置蒸馏水(CK)、穿心莲不同营养体（茎叶和根）水浸液各0.01、0.05、0.10 g/mL处理，测定计算萌发率、萌发指数、根长、苗高、化感效应指数等各项指标，研究了穿心莲根、茎叶的水浸液对穿心莲种子萌发和幼苗生长的化感自毒效应。结果表明：各浓度的穿心莲茎叶水浸液均对穿心莲种子萌发率、根长和茎的生长有明显的抑制作用，均达到差异显著水平；随穿心莲茎叶水浸液浓度的增大，其对穿心莲种子萌发率、根和茎的伸长抑制作用增强;各浓度的穿心莲根部水浸液对穿心莲种子萌发率和根生长有抑制作用，随处理浓度增加抑制作用增强，但对茎的生长呈促进作用。
- Abstract:
- By indoor bioassaying distilled water,the water extract of root,stem and leaf(0.01,0.05,0.10 g/mL) were applied to testing their effect on seed germination and seedling growth,The germination rate,germination index,root length,seedling height,and other indicators of allelopathic effect index were figured out and measured.In order to study the water extracts of Andrographis paniculata(Burm.F.)Nees on seed germination and seedling growth.The results showed that,various concentrations of Andrographis paniculata(Burm.F.)Nees stem and leaf aqueous extracts significantly inhibited the germination rate,root length and shoot growth of Andrographis paniculata(Burm.F.)Nees seed germination,all of them had reached a significant level;with the concentration of the water extracts of Andrographis paniculata(Burm.F.)Nees stem leaves increasing,its germination rate,root and stem elongation of Andrographis paniculata(Burm.F.)Nees seed inhibition would enhance.Andrographis paniculata(Burm.F.)Nees root aqueous extract various concentrations inhibited the growth of Andrographis paniculata(Burm.F.)Nees seed germination rate and root,and this inhibition effect increase with the concentration increasing,but they promoted the growth of stem.Andrographis paniculata(Burm.F.)Nees vegetative had the effect of allelopathic autotoxicity.
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备注/Memo
第一作者简介：黎韵琪(1990-)，女，广东佛山人，硕士研究生,研究方向为中药资源与质量研究。E-mail:14131698@qq.com.
责任作者：李明(1963-)，女，黑龙江人，博士，教授，研究方向为药用植物质量控制及生理生态。E-mail:13539843803@163.com.
基金项目：广东省科技计划资助项目(2011B031700067);广东药学院中药学重点学科专项基金资助项目。
收稿日期：2014-05-27