摘要
采用溶液培养方法研究外源NO供体硝普钠(SNP)对Cd2+胁迫下辣椒幼苗生长和生理特性影响的结果表明:75μmol·L-1SNP能在一定程度上缓解较高浓度Cd2+对辣椒幼苗生长、叶中Chla和Chlb含量以及根系活性的抑制作用,降低丙二醛(MDA)含量,增强超氧化物歧化酶(SOD)、过氧化氢酶(CAT)、过氧化物酶(POD)的活性。
Effects of sodium nitroprusside （SNP, an exogenous nitric oxide donor） on seedling growth and physiological characteristics of Capsicum frutescens under Cd^2＋ stress were studied by solution culture. The results showed that the inhibition of Cd^2＋ to seedling growth, chlorophyll contents in leaves and root activity were alleviated by 75 μmol·L^-1 SNP in Capsicumfrutescens seedling. And MDA content decreased, the activities of SOD, CAT and POD in plant were enhanced.
出处
《植物生理学通讯》
CSCD
北大核心
2009年第3期229-232,共4页
Plant Physiology Communications
基金
贵州省年度攻关项目(2003NGY006)
黔南民族师范学院项目(2008Y024)
贵州大学实践教学改革研究建设项目
关键词
辣椒
幼苗
硝普钠
镉胁迫
生理响应
Capsicumfrutescens
seedling
sodium nitroprusside
Cd^2＋ stress
physiological response
