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[1]王秀丽,卢昌义*,周亮,等.外来红树植物拉关木对木榄的化感作用[J].厦门大学学报(自然科学版),2017,56(03):339-345.[doi:10.6043/j.issn.0438-0479.201611048]
 WANG Xiuli,LU Changyi*,ZHOU Liang,et al.Allelopathic Effects of Exotic Mangrove Species Laguncularia racemosa on Bruguiera gymnorhiza[J].Journal of Xiamen University(Natural Science),2017,56(03):339-345.[doi:10.6043/j.issn.0438-0479.201611048]
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《厦门大学学报(自然科学版)》[ISSN:0438-0479/CN:35-1070/N]

卷:
56卷
期数:
2017年03期
页码:
339-345
栏目:
研究论文
出版日期:
2017-05-24

文章信息/Info

Title:
Allelopathic Effects of Exotic Mangrove Species Laguncularia racemosa on Bruguiera gymnorhiza
文章编号:
0438-0479(2017)03-0339-07
作者:
王秀丽1卢昌义12*周亮12陈锦钗2傅蓉2许诗琳2陈浩2刘毅伟2
1.厦门大学环境与生态学院,福建厦门361102;2.河口生态安全与环境健康福建省高校重点实验室(厦门大学嘉庚学院),福建漳州363105
Author(s):
WANG Xiuli1LU Changyi12*ZHOU Liang12CHEN Jinchai2FU Rong2XU Shilin2CHEN Hao2LIU Yiwei2
1.College of the Environment & Ecology,Xiamen University,Xiamen 361102,China;2.Key Laboratory of Estuarine Ecological Security and Environmental Health of Fujian Province University,Xiamen University Tan Kah Kee College,Zhangzhou 363105,China
关键词:
拉关木 木榄 幼苗生长 生理 生化 化感作用
Keywords:
Laguncularia racemosa Bruguiera gymnorhiza seedling growth physiology biochemistry allelopathic effect
分类号:
Q 945.79
DOI:
10.6043/j.issn.0438-0479.201611048
文献标志码:
A
摘要:
探讨外来速生红树植物拉关木(Laguncularia racemosa)扩张过程中潜在的化感作用,为其入侵风险评估提供参考.通过室内栽培实验测定拉关木根、枝、叶、果的水浸液在不同质量浓度(0.1,0.2,0.3,0.4,0.5 g/mL)下对木榄(Bruguiera gymnorhiza)幼苗生长的化感作用.结果表明,各器官水浸液对木榄幼苗生长的影响表现为“低促高抑”,质量浓度为0.5 g/mL时,抑制作用最强.各器官水浸液对木榄幼苗生长的抑制作用强弱顺序为:枝>果>根>叶.各器官水浸液对木榄幼苗叶绿素含量均表现为“低促高抑”; 木榄幼苗根系活力随拉关木根、叶、果的水浸液浓度的升高呈先升后降的变化趋势,而随枝水浸液浓度的升高,木榄幼苗的根系活力呈下降的变化趋势; 丙二醛含量、游离脯氨酸含量和相对电导率大小均随各器官水浸液浓度的升高呈先降后升的变化趋势.
Abstract:
In order to provide reference for the assessment of invasion risk of fast-growing alien mangrove species of Laguncularia racemosa,the aqueous extracts from L. racemosa was used to study the allelopathic effects on growth of Bruguiera gymnorhiza seedlings.The seedlings of B. gymnorhiza were investigated in a cultivation with five concentrations(0.1,0.2,0.3,0.4,0.5 g/mL)of aqueous extracts from different organs of L. racemosa.Results showed that the aqueous extracts from L. racemosa had significant allelopathic effects on B. gymnorhiza.The extracts promoted the growth of B. gymnorhiza seedlings at lower concentrations while inhibited the growth at higher concentrations.The most intensive inhibition was in treatment with 0.5 g/mL of the aqueous extracts.The order of inhibitory effects of different organs of L. racemosa was:stem> fruit> root>leaf.The extracts also increased the chlorophyll contents of B. gymnorhiza at lower concentrations,while decreased the contents at higher concentrations.With the increase in the concentration of aqueous extracts of root,leaf and fruit of L. racemosa,the root activity of B. gymnorhiza showed a trend of first rising and then decreasing.However,with the increase in the concentration of aqueous extracts of stem of L. racemosa,the root activity of B. gymnorhiza showed a trend of decreasing.Moreover,with the increase in the concentration of aqueous extracts of L. racemosa,the MDA contents,the free proline contents in leaf and the leaf relative conductivity of B. gymnorhiza showed a trend of first decreasing and then rising.

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备注/Memo

备注/Memo:
收稿日期:2016-11-22 录用日期:2017-02-13
基金项目:国家自然科学基金(41376115); 国家级大学生创新创业训练计划项目(201513469002,201613469011)
*通信作者:lucy@xmu.edu.cn
引文格式:王秀丽,卢昌义,周亮,等.外来红树植物拉关木对木榄的化感作用[J].厦门大学学报(自然科学版),2017,56(3):339-345.
Citation:WANG X L,LU C Y,ZHOU L,et al.Allelopathic effects of exotic mangrove species Laguncularia racemosa on Bruguiera gymnorhiza[J].J Xiamen Univ Nat Sci,2017,56(3):339-345.(in Chinese)
更新日期/Last Update: 1900-01-01