全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用：99美元
投递稿件

查看量下载量

相关文章

更多...

干旱胁迫下紫花苜蓿叶片几种内源激素的变化

DOI: 10.7668/hbnxb.2008.03.021, PP. 81-84

Keywords: 干旱胁迫,紫花苜蓿,叶片,内源激素,变化

Full-Text   Cite this paper   Add to My Lib

Abstract:

以陇东(耐旱)、BL-02-329(不耐旱)2种抗旱性强弱差异较大的紫花苜蓿为试验材料,对干旱胁迫下2种紫花苜蓿叶片中ABA,IAA,GA3,ZR4种内源激素的含量变化进行研究,结果表明:在干旱胁迫下,陇东、BL-02-329两种紫花苜蓿叶片ABA,IAA含量均有不同程度的上升,GA3和ZR的含量均呈下降趋势。干旱胁迫下4种内源激素之间的协调总趋势是向着气孔关闭、促进根系发展的方向进行。重度干旱时,苜蓿叶片中4种内源激素之间的协调趋势反映出抗旱性强的陇东苜蓿通过减缓生长速率来保证生存方面的调节能力较强,能有效地避免缺水伤害。

 References

[1]  张春荣,李红,夏立江,等.镉、锌对紫花苜蓿种子萌发及幼苗的影响[J].华北农学报,2005,20(1):96-99.
[2]  李世雄,王彦荣,孙建华.中国苜蓿品种种子产量性状的遗传多样性[J].草业学报,2003,12(1):23-29.
[3]  Davies W J,Metcalf J,Lodge T A.Plant growth substance and the regulation of growth under drought[J].Ans J Plant siol,1986,13:105-125.
[4]  薛永常,曹敏,李云荫.不同的抑制剂处理对水分胁迫诱导的冬小麦幼苗ABA累积的影响[J].华北农学报,1997,12(1):25-29.
[5]  韩瑞宏,卢欣石,高桂娟,等.紫花苜蓿抗旱性主成分及隶属函数分析[J].草地学报,2006,14(2):142-146.
[6]  Rock C D.Ng PPF.Dominant Wilty mutants of Zea mays (poaceae) are not in abseisie acid perception or metabolism[J].Am J Bot,1999,86:1796-1800.
[7]  Chan K Y,Heenan D P.Effect of tillage and stubble manage-ment on soil water store,crop growth and yield in a wheat-lupine rotation southern NSW[J].Aust J Agile Res,1996,47:479-488.
[8]  李建贵,黄俊华,王强.梭梭叶内激素与渗透调节物质对高温胁迫的响应[J].南京林业大学学报,2005,29(6):45-48.
[9]  王成章,潘晓建,张春梅,等.外源ABA对不同秋眠型苜蓿品种植物激素含量的影响[J].草业学报,2006,15(2):30-36.
[10]  Guy C L.Cold acclimation and freezing stress tolerance:Role of protein metabolism[J].Annual Review of Plant Physiology and Plant Molecular Biology,1990,41:187-223.
[11]  韩德梁,王彦荣.紫花苜蓿对干旱胁迫适应性的研究进展[J].草业学报,2005,14(6):7-13.
[12]  Tawainga K.Tillage and rotation effects on soil physical char-acteristies[J].Agronomy Journal,2002,94:299-304.
[13]  李良勇,崔国贤.营养胁迫下植物内源激素变化研究进展[J].作物研究,2002,5:240-243.
[14]  史齐,萧浪涛,康朵兰.植物生长物质在水稻生长发育研究中的应用[J].生命科学研究,2005,9(4):72-77.
[15]  李智念,王光明,曾之文.植物干旱胁迫中的ABA研究[J].干旱地区农业研究,2003,21(2):99-104.
[16]  Moons A,Bauw G,Prinsen E,et al.Molecular and physio-logical responses to abscisic acid and salts in toots of salt sensitive and salt tolerant indica rice varieties[J].Plant Physiology,1995,107:177-186.
[17]  Zhang J,Davies W J.Changes in concentration of ABA in-xylem sap as a function of changing soil water status can ac-count for changes in leaf conductance and growth[J].Plant Cell and Environ,1990,13:277-285.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133