[1]李鑫,贺立龙,张烨,等.镉（Cd）低吸收积累大白菜品种的初步筛选与分析[J].北方园艺,2020,44(05):21-27.[doi:10.11937/bfyy.20192729]
　LI Xin,HE Lilong,ZHANG Ye,et al.Preliminary Screening and Analysis of Cadmium (Cd) Low Absorption Accumulation Chinese Cabbage Cultivars[J].Northern Horticulture,2020,44(05):21-27.[doi:10.11937/bfyy.20192729]

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镉（Cd）低吸收积累大白菜品种的初步筛选与分析

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第44卷期数: 2020年05 页码: 21-27 栏目: 出版日期: 2020-03-15

Title:: Preliminary Screening and Analysis of Cadmium (Cd) Low Absorption Accumulation Chinese Cabbage Cultivars

作者:: 李鑫1; 2; 贺立龙2; 张烨2; 郑晗1; 2; 高建伟1; 2; （1.山东师范大学生命科学学院，山东济南 250000；2.山东省农业科学院蔬菜花卉研究所/山东省设施蔬菜生物学重点实验室/国家蔬菜改良中心山东分中心，山东济南 250100）

Author(s):: LI Xin1; 2; HE Lilong2; ZHANG Ye2; ZHENG Han1; 2; GAO Jianwei1; 2; (1.College of Life Sciences，Shandong Normal University，Jinan，Shandong 250000;2.Institute of Vegetables and Flowers,Shandong Academy of Agricultural Sciences/Shandong Key Laboratory of Greenhouse Vegetable Biology/Shandong Branch of National Vegetable Improvement Center，Jinan，Shandong 250100)

关键词:: 大白菜; 镉（Cd）; 积累; 吸收

Keywords:: Chinese cabbage; cadmium (Cd); accumulation; absorption

DOI:: 10.11937/bfyy.20192729

文献标志码:: A

摘要:: 以26个大白菜品种为试材，采用原子吸收分光光度法、非损伤微测技术，研究了大白菜对镉（Cd）积累以及吸收数量，以初步筛选Cd低积累低吸收大白菜品种。结果表明：大白菜品种ZBX叶片中镉积累水平较高，而JL-75叶片中镉积累水平较低。高镉积累大白菜品种ZBX根部对镉吸收的能力较高，低镉积累大白菜品种JL-75根部对镉吸收能力较低，说明根对Cd2+吸收的NMT结果与富集特征一致。线性回归分析表明，不同的大白菜品种在吸收过程中，吸收速度并不会随着时间的增加一直上升，且流速到达稳定值的时间点也不相同，由此推断，这也是导致大白菜吸收能力不同的因素之一。该研究结果对进一步挖掘大白菜调控Cd吸收以及叶片积累的作用机制具有重要意义。

Abstract:: To exploring the accumulation and absorption of cadmium (Cd) in Chinese cabbage，atomic absorption spectrophotometry and the Noninvasive Microtest Technology (NMT) were carried out using 26 Chinese cabbage cultivars.This study had initially screened the Chinese cabbage cultivar with the low-Cd accumulation and absorption.The results indicated that the Cd content in the leaves of Chinese cabbage ZBX was higher，while the JL-75 was lower.The root of ZBX with higher Cd accumulation showed a stronger ability of Cd absorption；and the root of the JL-75 with lower Cd accumulation showed weaker ability to absorb Cd2+，indicating that the NMT results of Cd2+ absorption were consistent with the Cd accumulation levels in Chinese cabbages.Linear regression analysis showed that，during the absorption processes in different Chinese cabbages，the absorption rate did not increase with time，and the time points was different when the flow rate reached a stable value.It was suggested that this result could also be the reason of the difference of the Cd absorption ability in Chinese cabbages.This study was significant for further exploring the mechanism of the Cd absorptionin Chinese cabbage and the Cd accumulation in the leaves.

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备注/Memo

第一作者简介：李鑫（1995-），女，山东济南人，硕士研究生，研究方向为蔬菜重金属污染防控及分子机制。E-mail:15621598391@163.com.责任作者：高建伟（1968-），男，山东汶上人，博士,研究员，现主要从事蔬菜遗传育种及栽培等研究工作。E-mail:jianweigao3@qq.com.基金项目：国家重点研发计划资助项目(2017YFD0101801)；山东省农业科学院农业科技创新工程资助项目（CAAS-XTCX2018021）；国家大宗蔬菜现代农业产业技术体系济南试验站建设资助项目（CARS-25-G-24）；山东省现代农业产业技术体系蔬菜创新团队建设资助项目(SDAIT-02-022-04)。收稿日期：2019-09-29

更新日期/Last Update: 2020-04-23