河南农业科学Issue(9)：108-111,4.
盐分和干旱胁迫对紫荆幼苗膜稳定性的影响
Effects of Salt Stress and Drought Stress on the Membrane Stability of Cercis chinensis Seedlings
摘要
Abstract
The aim was to study the injury mechanism of Cercis chinensis seedlings under salt stress and drought stress ,and it benefited for actual production of this plant .The changes in the activities of superoxide dismutase (SOD ) and peroxidase (POD ) ,the contents of malondiadehyde (MDA) and soluble protein in leaves of Cercis chinensis seedlings treated with 100 mmol/L NaCl or 15 mmol/L PEG ,respectively ,were studied .The results showed that SOD and POD activities increased firstly and then decreased in both the treatments .The effect of PEG was more signifi-cant than that of NaCl .The contents of MDA increased in both the treatments .There was a nega-tive correlation between SOD/POD activities and MDA content .The content of protein decreased significantly in PEG treatment than in NaCl treatment .The decrease of SOD and POD activities resulted in the injury of Cercis chinensis seedlings under drought and salt stress ,w hich streng-thened the membrane lipid peroxidation and then increased MDA contents .关键词
紫荆/NaCl/聚乙二醇/胁迫/膜稳定性Key words
Cercis chinensis/NaCl/PEG/stress/membrane stability分类
农业科技引用本文复制引用
魏丽..盐分和干旱胁迫对紫荆幼苗膜稳定性的影响[J].河南农业科学,2013,(9):108-111,4.基金项目
国家自然科学基金项目（31200226）；山东英才学院校级科研课题 （）
