XIANG Fu,CHENG Chao,HE Qiankun,et al.Allelopathy of Aqueous Extracts from Camellia oleifera Leaf and Litter Fall on Seedling Growth of Perilla frutescens[J].Northern Horticulture,2015,39(12):1-4.[doi:10.11937/bfyy.201512001]
油茶叶及凋落物浸提液对紫苏幼苗生长的化感作用
- Title:
- Allelopathy of Aqueous Extracts from Camellia oleifera Leaf and Litter Fall on Seedling Growth of Perilla frutescens
- 文章编号:
- 1001-0009(2015)12-0001-04
- Keywords:
- Camellia oleifera; Perilla frustescens; aqueous extracts; seedling growth; physiological index
- 分类号:
- S 794.4;Q 945.79
- 文献标志码:
- A
- 摘要:
- 以50年育龄油茶林的叶和凋落物制得水浸提液为试材,分别配制5、10、20、40 mg/L不同浓度浸提液,以蒸馏水为对照,浇淋紫苏幼苗,通过测定分析幼苗叶片中叶绿素、脯氨酸和丙二醛等生理指标含量变化,探讨油茶林模拟环境对紫苏幼苗生长的化感作用。结果表明:紫苏幼苗叶绿素含量随浸提液浓度增加显著降低且油茶叶浸提液降低作用更明显;脯氨酸含量随浸提液浓度增加而升高,且油茶凋落物浸提液浓度为40 g/L时,脯氨酸含量达到45 μg/g,凋落物作用对脯氨酸含量增加作用更显著;丙二醛含量随浸提液浓度增加而逐渐降低,油茶凋落物浸提液降低作用更明显。试验表明,高浓度的油茶叶及凋落物浸提液对紫苏幼苗生长有明显的化感抑制作用,油茶林下土壤环境不利于紫苏幼苗生长。
- Abstract:
- The allelopathy of aqueous extracts from the leaf and litter fall from 50year-old Camellia oleifera(5,10,20,40 mg/L different extract concentrations were prepared) on seedling growth of Perilla frutescens were observed with the contents of chlorophyll,proline,and malondialdehyde as determine indices.The results showed that the contents of chlorophyll and malondialdehyde in P.frutescens seedling were remarkably decreasing as the aqueous extracts concentration was increasing,while the proline content was increasing.Especially,the proline content reached 45 μg/g at the aqueous extracts concentration of 40 g/L.So,the high concentration aqueous extracts from C.oleifera leaf and litter fall significantly inhibit the seedling growth of P.frutescens,and the C.oleifera forest soils could be not propitious for the seedling growth of P.frutescens.
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备注/Memo
第一作者简介:向福(1977-),男,土家族,湖北利川人,博士,副教授,现主要从事生物学等教学与科研工作。E-mail:lc_xiangfu@163.com.责任作者:项俊(1963-),男,硕士,教授,现主要从事天然植物资源利用等研究工作。基金项目: 生物资源保护与利用湖北省重点实验室开放基金资助项目(PKLHB1103)。