黄芪多糖对小叶杨逆境胁迫下保护酶系统的影响  

Effect of Astragalus Polysaccharide on Protective Enzyme Activities of Populus simonii under Low Temperature and Drought Stress

作　　者：邱本军[1] 马玲[1] 杨洋[1] 陈旭日[1] 葛康康[1] 

机构地区：[1]东北林业大学林学院,黑龙江哈尔滨150040

出　　处：《安徽农业科学》2014年第33期11766-11768,共3页Journal of Anhui Agricultural Sciences

基　　金：大学生创新训练项目(201310225088);林业公益性行业专项(20130403)

摘　　要：[目的]探究黄芪多糖对小叶杨对抗逆境胁迫能力的影响。[方法]研究小叶杨在低温和干旱逆境条件下体内过氧化氢酶(CAT)、超氧化物歧化酶(SOD)和过氧化物酶(POD)活性的变化。[结果]在短时间内,经过一定浓度黄芪多糖处理的小叶杨保护酶活性较高,而一定时间后黄芪多糖处理组的小叶杨保护酶的活性较低。[结论]黄芪多糖可能提高了小叶杨抗逆境胁迫的能力。[Objective] The aim was to study effects of astragalus polysaccharides on P.simonii to combat the environmental stress ability.[Method] The changes of CAT,POD and SOD activities of P.simonii at low temperature and drought stress conditions were studied.[Result] The activities of protective enzymes of P.simonii treated by a certain concentration of lobular astragalus polysaccharide were high after a short time,but lower after a certain time.[Conclusion] Astragalus polysaccharides may increase the resistant ability of P.simonii to environmental stress.

关 键 词：黄芪多糖 小叶杨 低温胁迫 干旱胁迫 保护酶 

分 类 号：S567[农业科学—中草药栽培]