[1]唐铎腾,周 荣,张 胜*.雌雄青杨幼苗对磷缺乏差异响应的离子组学研究[J].山地学报,2017,(05):669-676.[doi:10.16089/j.cnki.1008-2786.000266]
 TANG Duoteng,ZHOU Rong,et al.Ionomic Study on Populus Cathayana Males and Females Responding to Phosphorus Deficiency[J].Mountain Research,2017,(05):669-676.[doi:10.16089/j.cnki.1008-2786.000266]
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雌雄青杨幼苗对磷缺乏差异响应的离子组学研究()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2017年05期
页码:
669-676
栏目:
出版日期:
2017-09-30

文章信息/Info

Title:
Ionomic Study on Populus Cathayana Males and Females Responding to Phosphorus Deficiency
文章编号:
1008-2786-(2017)5-669-08
作者:
唐铎腾12 周 荣12 张 胜1*
1.中国科学院、水利部成都山地灾害与环境研究所 山地表生过程与生态调控重点实验室, 成都 610041;
2.中国科学院大学, 北京 100049
Author(s):
TANG Duoteng1 2 ZHOU Rong1 2 ZHANG Sheng1
1.Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;
2.University of Chinese Academy of Sciences, Beijing 100049, China
关键词:
磷缺乏 雌雄异株 离子组 青杨
分类号:
Q945.78
DOI:
10.16089/j.cnki.1008-2786.000266
文献标志码:
A
摘要:
为探究雌雄异株植物对磷元素缺乏的性别差异响应,以水培雌雄青杨幼苗为对象,利用ICP-OES分别测定了对照条件和缺磷条件下,雌雄青杨幼苗叶片及根中10种元素(Ca,Cu,Fe,K,Mg,Mn,Na,P和Zn)的含量,并分析了雌雄青杨元素含量变化与性别之间的关系。主成分分析中,第一主成分(PC1)和第二主成分(PC2)分别解释了总变量的50.6%和15.6%,明确区分了器官之间和处理之间的差异,发现缺磷条件下的根的变化比叶片更为明显。缺磷处理的青杨雄株幼苗叶片中P和Cu含量显著降低,而雌株幼苗叶片中Ca、Zn和Cu的含量却显著增加; 缺磷处理导致雌雄青杨幼苗根中P含量均显著下降,雄株幼苗根系中Ca含量也显著下降,雌株幼苗根系中S含量显著增加。与青杨雄株相比,对照和缺磷处理雌株根系中K和Zn含量均较高。此外,缺磷处理的雌株叶片中Ca和Cu含量也比雄株高。元素相关性分析显示,相同价态元素之间存在竞争效应,但同主族元素之间的竞争并不显著。综上所述,缺磷处理导致了雌雄青杨幼苗根和叶片中元素含量的显著变化,相比于雄株,青杨雌株幼苗受到的影响更为显著。

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备注/Memo

备注/Memo:
收稿日期(Received date):2017-06-22; 改回日期(Accepted date): 2017-09-26
基金项目(Foundation item):国家自然科学基金优秀青年科学基金(31322014); 中国科学院前沿重点研究项目(QYZDB-SSW-DQC037)[Excellent Young Scientist Program of the National Natural Science Foundation of China(31322014); Frontier Science Key Research Programs of CAS(QYZDB-SSW-DQC037)]
作者简介(Biography):唐铎腾(1991- ),男,硕士研究生,主要从事植物生理生态学的研究[Tang Duoteng(1991- ), male, M.Sc.candidate, research on tree physiology and molecular ecology]
*通讯作者(Corresponding author):张胜,男,研究员,主要从事树木生理和分子生态学的研究[Zhang Sheng(1979- ), male, professor, research on tree physiology and molecular ecology] E-mail: zhangsheng@imde.ac.cn
更新日期/Last Update: 2017-09-30