[1]顾闽峰,王乃顶,王伟义,等.NaCl胁迫对结球甘蓝幼苗生长及体内离子分布的影响[J].江苏农业学报,2015,(03):638-644.[doi:10.3969/j.issn.1000-4440.2015.03.028]
 GU Min-feng,WANG Nai-ding,WANG Wei-yi,et al.Growth and ion distribution of NaCl-stressed Brassica oleracea var.capitata seedlings[J].,2015,(03):638-644.[doi:10.3969/j.issn.1000-4440.2015.03.028]
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NaCl胁迫对结球甘蓝幼苗生长及体内离子分布的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年03期
页码:
638-644
栏目:
园艺
出版日期:
2015-06-30

文章信息/Info

Title:
Growth and ion distribution of NaCl-stressed Brassica oleracea var.capitata seedlings
作者:
顾闽峰1王乃顶1王伟义1费月跃1彭亚明1王军1王神云2李建斌2
(1.盐城市新洋农业试验站,江苏盐城224049;2.江苏省农业科学院蔬菜研究所,江苏南京210014)
Author(s):
GU Min-feng1WANG Nai-ding1WANG Wei-yi1FEI Yue-yue 1PENG Ya-ming1WANG Jun 1WANG Shen-yun2LI Jian-bin2
(1.Xinyang Experimental Station of Agriculture, Yancheng 224049, China;2.Institute of Vegetables, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China)
关键词:
结球甘蓝NaCl胁迫生物量离子运输离子分布
Keywords:
cabbageNaCl stressbiomassion transportationion distribution
分类号:
S634.3
DOI:
10.3969/j.issn.1000-4440.2015.03.028
文献标志码:
A
摘要:
以结球甘蓝为研究材料,采用水培的方式,研究了不同浓度的NaCl对结球甘蓝幼苗生长和体内钠离子(Na+)、钾离子(K+)、钙离子(Ca2+)、镁离子(Mg2+)分布的影响。结果表明:随着NaCl浓度的升高,根、茎、叶和整株的生物量呈下降的趋势,根冠比在各处理间差异均不显著。随着NaCl浓度的增加,结球甘蓝幼苗各器官中的Na+含量不断增加,而K+、Ca2+、Mg2+呈下降的趋势,所有NaCl胁迫处理的结球甘蓝K+/Na+、Ca2+/Na+和Mg2+/Na+值均低于对照,且均随着NaCl浓度的升高而下降。在NaCl胁迫下,茎部对Na+ 和K+的累积较高,而叶中则主要积累Ca2+和Mg2+。
Abstract:
Effects of NaCl stress on the growth and Na+, K+, Ca2+ and Mg2+ distribution in cabbage seedlings were studied in greenhouse by hydroponics experiments. The roots, stems, leaves and whole plant biomass showed declining responses to NaCl concentration increase, but no consistent effect on root and shoot ratio. With the increase of NaCl concentration, Na+ contents in various organs of cabbage seedlings continued to increase, while K+, Ca2+, Mg2+ concentrations presented a downward trend. K+ and Na+, Ca2+ and Na+ and Mg2+ and Na+ ratios were significantly lower than control, and decreased with the increase of NaCl concentration. Under NaCl stress, Na+ and K+ were mainly accumulated in the stem, while Ca2+ and Mg2+ were primarily accumulated in the leaves.

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备注/Memo

备注/Memo:
收稿日期:2014-11-20 基金项目:农业部国家现代农业产业技术体系项目(CARS-25);江苏省农业科技自主创新基金项目[CX(12)1005] ;盐城市农业科技指导性计划项目(YKN2014035) 作者简介:顾闽峰(1974-),男,江苏阜宁人,学士,副研究员,主要从事蔬菜及耐盐作物遗传育种及相关栽培生理等研究。(Tel)15951558906;(E-mail)ycgmf@126.com 通讯作者:李建斌,(E-mail)jbli0518@163.com
更新日期/Last Update: 2015-06-30