[1]赵雪琦,杨文雅,冷平生,等.NaCl对马齿苋根部离子流的影响[J].北方园艺,2020,44(24):57-62.[doi:10.11937/bfyy.20200088]
　ZHAO Xueqi,YANG Wenya,LENG Pingsheng,et al.Effect of NaCl on Ion Fluxes in the Roots of Portulaca oleracea[J].Northern Horticulture,2020,44(24):57-62.[doi:10.11937/bfyy.20200088]
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NaCl对马齿苋根部离子流的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第44卷 期数: 2020年24 页码: 57-62 栏目: 出版日期: 2020-12-30
Title:
Effect of NaCl on Ion Fluxes in the Roots of Portulaca oleracea
作者:
赵雪琦1; 杨文雅1; 冷平生1; 2; 胡增辉1; 2
（1.北京农学院 园林学院，北京 102206；2.北京林果业生态环境功能提升协同创新中心，北京 102206）
Author(s):
ZHAO Xueqi1; YANG Wenya1; LENG Pingsheng1; 2; HU Zenghui1; 2
(1.College of Landscape Architecture,Beijing University of Agriculture,Beijing 102206；2.Beijing Collaborative Innovation Center for Eco-environmental Improvement With Forestry and Fruit Trees,Beijing 102206)
关键词:
马齿苋; 盐胁迫; 离子流; 非损伤微测技术
Keywords:
Portulaca oleracea; salt stress; ion flux; non-invasive micro-test technique
DOI:
10.11937/bfyy.20200088
文献标志码:
A
摘要:
以马齿苋（Portulaca oleracea）为试材，采用非损伤微测技术，研究了NaCl处理后马齿苋根尖处的Ca2+、K+及Na+流速的变化规律，以期探索盐胁迫对马齿苋根部离子转运的影响。结果表明：NaCl处理导致了K+外排；100 mmol?L-1 NaCl处理后Ca2+外排，200 mmol?L-1和300 mmol?L-1 NaCl处理后Ca2+转为内流，并且随着处理时间和浓度的增加，离子流速增大；NaCl处理3 h和6 h时，Na+为外排，处理12 h和24 h时Na+转为内流，Na+流速随着NaCl处理浓度的增加而增加。
Abstract:
Portulaca oleracea was used as the test material,and non-invasive micro-test technique was used,the changes of Ca2+,K+and Na+ flux at the root tip of P.oleracea after NaCl treatment were studied,in order to explore the effect of salt stress on it.The results showed that NaCl treatment resulted in K+ efflux.Ca2+ efflux after 100 mmol?L-1 NaCl treatment,Ca2+ turned to influx after 200 mmol?L-1 and 300 mmol?L-1 NaCl treatment,and the flux increased with the increasing of treatment time and concentration.NaCl treatment at 3 hours and 6 hours,Na+ was efflux.At 12 hours and 24 hours,Na+ turned to influx.The flux of Na+ was increased with the increasing of NaCl concentration.

参考文献/References:

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备注/Memo

第一作者简介：赵雪琦（1994-），女，硕士研究生，研究方向为植物生理与栽培。E-mail：787985757@qq.com.责任作者：胡增辉（1980-），男，博士，副教授，现主要从事植物生理与栽培教学与科研等工作。E-mail：buahuzenghui@163.com.基金项目：北京市属高等学校创新团队建设与教师职业发展计划资助项目（IDHT20180509）；科技创新服务能力建设-科研基地-林果业生态环境功能提升协同创新中心（2011协同创新中心）（市级）资助项目（PXM2018_014207_000024）。收稿日期：2020-01-06

更新日期/Last Update: 2021-03-29