肌醇对玉米幼苗抗寒性的影响  

Effects of inositol on chilling resistance of corn seedlings

作　　者：由继红[1] 杨文杰[1] 李晓玲[2] 

机构地区：[1]东北师范大学生命科学学院,吉林长春130024 [2]吉林工学院,吉林长春130022

出　　处：《东北师大学报（自然科学版）》2000年第3期44-46,共3页Journal of Northeast Normal University(Natural Science Edition)

基　　金：国家自然科学基金资助项目!( 3 9670 0 83 )

摘　　要：用 4 0mmol/L肌醇浸种处理玉米种子 ,可以提高玉米幼苗的抗寒性 .低温胁迫后 ,处理组的超氧物歧化酶、过氧化物酶、抗坏血酸过氧化物酶、过氧化氢酶的活性比对照组下降的幅度小 ;恢复生长后 ,处理组The experiment shows that chilling resistance of the seedlings is enhanced when corn seeds are pretreated by inositol. The decline of the activities of superoxide dismutase, peroxidase, ascorbic acid peroxidase and catalase of the treated group is less than the comparative group's after the seedlings are treated by low temperature stress. Otherwise the enhancement of the activities of four enzyme of the treated group is bigger than the comparative group's when the seedlings are recoveried from the low temprature to grow in normal temprature.

关 键 词：玉米 幼苗 肌醇 抗寒性 低温胁迫 逆境生理 

分 类 号：S513.01[农业科学—作物学]