|本期目录/Table of Contents|

[1]王宝山,邹琦,赵可夫.NaCl胁迫对高粱成熟叶质外体和共质体中Na+、Ca2+浓度的影响[J].应用与环境生物学报,1997,3(04):309-312.
 Wang Baoshan,Zou Qi,Zhao Kefu.EFFECT OF NaCl STRESS ON Na+, Ca2+ CONCENTRATIONS IN APOPLAST AND SYMPLAST OF THE EXPANDED LEAVES OF SORGHUM BICOLOR[J].Chinese Journal of Applied & Environmental Biology,1997,3(04):309-312.
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NaCl胁迫对高粱成熟叶质外体和共质体中Na+、Ca2+浓度的影响()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
3卷
期数:
1997年04期
页码:
309-312
栏目:
论文
出版日期:
1997-11-25

文章信息/Info

Title:
EFFECT OF NaCl STRESS ON Na+, Ca2+ CONCENTRATIONS IN APOPLAST AND SYMPLAST OF THE EXPANDED LEAVES OF SORGHUM BICOLOR
作者:
王宝山1 邹琦2 赵可夫1
1. 山东师范大学逆境植物研究所 济南250014;
2. 山东农业大学基础部 泰安271018
Author(s):
Wang Baoshan Zou Qi Zhao Kefu
1. Institute of Plant Stress, Shandong Teachers’University, Jinan 250014;
2. Dept.of Basic of Basic Course, Shandong Agricultural University, Taian 270018
关键词:
NaCl胁迫高粱共质体质外体Na+、Ca2+浓度
Keywords:
NaCl stressSorghumapoplastsymplastNa+ Ca2+ concentrations
摘要:
在c(NaCl)=200mmol/L,t=14d胁迫条件下,盐敏感品种糖高粱(T)成熟叶生长抑制、含水量的下降和质膜透性均明显大于耐盐品种独角虎(D);盐胁迫下,质外体和共质体中Na+浓度明显增加,增加的幅度是质外体大于共质体,T大于D.相反,盐胁迫下质外体和共质体Ca2+浓度均明显下降,研究结果表明:质外体Na+浓度剧增并没有改变细胞膨压,而可能通过取代质膜上Ca2+而破坏质膜选择透性,从而引发盐害.
Abstract:
The growth inhibition, decrease of water content and plasma membrane permeability of the expanded leavesof salt-sensitive Sorghum (Tanggaoliang, T)were significantly peater than those of salt-tolerant Sorghum(Dujiaohu, D)under the stress of 200 nmol/L NaCl for 14 d.Na+ concentrations in apoplast and symplast were allincreased significantly by NaCl stress, and the increased amount in apoplast was more than that in symplast, andthat of T more than that of D.ContrasUy, Ca2+ concentrations in apoplast and symplast were significantlydecreased by NaCl stress.The results showed that the significant increase of Na+ concentration in apoplast did notalter cell turgor pressure and Ca2+ on the plasmalemma possibly replaced by the increased Na+ in apoplastdamaged the selective permeability of plasmalemma, which induced salt injury.

参考文献/References:

[1] 华东师范大学植物生理教研室.植物生理学实验指导.北京:人民教育出版社,1982
[2] 薛应龙.植物生理学实骏手册.上海:上海科学技术出版社,1985
[3] Bourgeais-Chaillou p, Guerrier G.Salt-spouses in Lyncopersicon esculentum calli and whole plants.J Plant Physiol.1992,140:494~501
[4] Cramer GR,Epstein E,Lauchi A.Na-Ca interactions in Barley seedlings,relationship to ion transport and growth.Plant Cell Erwiron.1989,12:551~558
[5] Flowers TJ,Hajibagher A,Yeo AR.lon accumulations in the cell walls of rice plants growing under saline conditians,evidence for the Overtli hypothesis.Plant Cell Erudron.1991,14: 319~325.
[6] Lerner HR.Adaptation to salinity at plant cell level.Plant Soil.1985,89:3~14
[7] Lynch J,Cramer GR,Lauchli A.Salinity reduces membrance-associatted calcium in corn root protoplasts.Plant Physiol.1987, 83: 390~394
[8] Munns R.Physiological process limiting plant growth in saline soils:Some dogmas and hypothesis.Plant Cell Emriron.1993,16:15~24
[9] Overtli TJ.Extracellular salt accumulation ,a possible mechanism of salt injury in plants.Agrodtirruca.1968,12:461~469
[10] Rengel Z.The role of calcium in salt toxicity.Plant Cell Environ.1992,15:625~632
[11] Ryan PR,Newman IA,.4rif LRapid calcium exchange for protons and postassium in cell walls of there.Plant Cell Erwiron.1992,15:675~687
[12] Zhao Ke-Fu,Munns R.Effect of turgor and salinity on the growth of barley and ;sltbush.Chinese J Bot.1992,4(1):34~42

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备注/Memo

备注/Memo:
收稿日期:1995-11-27;接受日期:1996-7-22。
基金项目:国家自然科学基金;山东省青年基金
更新日期/Last Update: 1900-01-01