外源NO供体对水分亏缺下玉米叶片碳同化关键酶及抗氧化系统的影响

杨青华,郑博元,李蕾蕾,贾双杰,韩心培,郭家萌,王泳超,邵瑞鑫

Effect of Exogenous Nitric Oxide Donor on Carbon Assimilation and Antioxidant System in Leaves of Maize Seedlings under PEG-induced Water Deficit Stress

Qing-Hua YANG,Bo-Yuan ZHENG,Lei-Lei LI,Shuang-Jie JIA,Xin-Pei HAN,Jia-Meng GUO,Yong-Chao WANG,Rui-Xin SHAO

图6 外源NO处理对干旱胁迫下玉米幼苗CAT活性(A)及CAT同工酶(B)的影响 处理CK、SNP、PEG、SNP + PEG分别为0% PEG、100 μmol L-1 SNP、20% PEG和100 μmol L-1 SNP + 20% PEG。

Fig. 6 Effects of exogenous NO on CAT activity (A) and CAT isoenzyme (B) in leaves of maize seedlings under drought stress Treatments including CK, SNP, PEG, and SNP + PEG indicate 0% PEG, 100 μmol L-1 SNP, 20% PEG, and 100 μmol L-1 SNP + 20% PEG, respectively.