上海农业学报2019，Vol.35Issue(1)：7-10,4.DOI:10.15955/j.issn1000-3924.2019.01.02
干旱胁迫对薄壳山核桃叶片丙二醛含量和 3 种抗氧化酶活性的影响
Effects of drought stress on MDA content and 3 antioxidant enzymes activities in leaves of Carya illinoensis
摘要
Abstract
The effects of drought stress on MDA content and 3 antioxidant enzymes activities in leaves of one-year-old Carya illinoensis seedlings were studied by using PEG-6000 artificial simulation of drought stress. The results showed that mild drought did not cause the membrane lipid peroxidation in leaves of C. illinoensis. With the intensification of drought stress and the extension of time, the MDA content in C. illinoensis leaves increased,the membrane lipid peroxidation reaction in leaves was enhanced,and the damage to membrane system increased. Under mild drought stress, the antioxidant enzymes activities in C. illinoensis increased, there was a certain self-regulation and adaptation mechanism. However, under severe drought stress, the stress injury was irreversible,the defense and self-repair ability of protective enzymes had a certain threshold.关键词
薄壳山核桃/干旱胁迫/丙二醛/抗氧化酶Key words
Carya illinoensis/Drought stress/MDA/Antioxidant enzyme分类
农业科技引用本文复制引用
姜宗庆,李成忠,余乐,汤庚国..干旱胁迫对薄壳山核桃叶片丙二醛含量和 3 种抗氧化酶活性的影响[J].上海农业学报,2019,35(1):7-10,4.基金项目
江苏省林业三新工程项目[ lysx(2016) 30] （2016）
