盐胁迫对苹果器官中钙镁铁锌含量的影响

应用生态学报 ›› 2005, Vol. 16 ›› Issue (3): 431-434.

盐胁迫对苹果器官中钙镁铁锌含量的影响

夏阳¹, 梁慧敏¹, 王太明¹, 束怀瑞², 王清华¹, 柴传华¹

1. 山东省林业科学研究院, 济南, 250014;
2. 山东农业大学园艺学院, 泰安, 271018

收稿日期:2004-02-12 修回日期:2004-06-28 出版日期:2005-03-15 发布日期:2005-03-15
通讯作者: 夏阳,男,1962年生,博士,教授.主要从事植物抗逆生理和抗逆基因转化研究,发表论文30多篇.Tel:0531-8557749; E-mail:lzhsh88@jn-public.sd.cninfo.net
基金资助:
国家"十五"科技攻关重大计划项目(2002BA516A15-04)、山东省自然科学基金项目(Y2000D10)和山东农业大学博士后基金资助项目.

Effects of NaCl stress on Ca,Mg,Fe and Zn contents of different apple organs

XIA Yang¹, LIANG Huimin¹, WANG Taiming¹, SHU Huairui², WANG Qinghua¹, CHAI Chuanhua ¹

1. Research Academy of Forestry of Shangdong Province, Jinan 250014, China;
2. Shandong Agricultural University, Taian 271018, China

Received:2004-02-12 Revised:2004-06-28 Online:2005-03-15 Published:2005-03-15

摘要/Abstract

摘要： 以盆栽2年生富士苹果树(砧木为平邑甜茶M.hupehensisReld)为试材,研究了盐胁迫对苹果矿质营养平衡的影响.结果表明,在盐胁迫下,苹果各器官不同时期的单位干样中Ca、Mg、Fe和Zn含量的平均值没有明显变化,但各元素与Na的比值明显下降,特别是在高盐(3‰NaCl)胁迫下下降更为明显,从而破坏了树体内元素平衡.在无盐和盐胁迫下,苹果各器官中Ca含量的顺序为主干韧皮部＞叶片、新梢＞根＞主干木质部;Mg含量为新梢、根＞主干木质部、主干韧皮部、叶片;Fe含量为根＞叶片＞主干韧皮部、新梢＞主干木质部;Zn含量为新梢＞叶片＞根、主干韧皮部＞主干木质部.与对照相比,器官中各元素含量在胁迫期间表现出不同程度的波动性.

关键词: 盐胁迫, 苹果, 矿质营养

Abstract: The study with two year old potted apple tree (Fuji variety with M.hupehensis Reld stock) showed that under NaCl stress,the average contents of Ca,Mg,Fe and Zn in different apple organs sampled at 4 periods had no significant changes,while the content ratios of test elements to Na decreased significantly,especially under high NaCl (3‰) stress,which would result in the umbalance of mineral nutrients in the tree.The Ca content of different apple organs under and without NaCl stress was in order of trunk phloem > leaf and vegetative shoot >root > trunk xylem;Mg content was vegetative shoot and root > trunk xylem and phloem,and leaf;Fe content was root > leaf > trunk phloem and vegetative shoot > trunk xylem;Zn content was vegetative shoot > leaf > root and trunk phloem > trunk xylem.The element contents under NaCl stress showed different degrees of fluctuation,comparing with the control.

Key words: NaCl stress, Malus spp., Mineral nutrients

中图分类号:

Q945.78
S661

夏阳, 梁慧敏, 王太明, 束怀瑞, 王清华, 柴传华. 盐胁迫对苹果器官中钙镁铁锌含量的影响[J]. 应用生态学报, 2005, 16(3): 431-434.

XIA Yang, LIANG Huimin, WANG Taiming, SHU Huairui, WANG Qinghua, CHAI Chuanhua . Effects of NaCl stress on Ca,Mg,Fe and Zn contents of different apple organs[J]. Chinese Journal of Applied Ecology, 2005, 16(3): 431-434.

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