苗期重金属胁迫下蓖麻生长、生理和重金属积累效应
吕冬梅, 朱广龙, 王玥, 施雨, 卢发光, 任桢, 刘昱茜, 顾立峰, 卢海潼, Irshad Ahmad, 焦秀荣, 孟天瑶, 周桂生

Growth, physiological, and heavy metal accumulation traits at seedling stage under heavy metal stress in castor (Ricinus communis L.)
LYU Dong-Mei, ZHU Guang-Long, WANG Yue, SHI Yu, LU Fa-Guang, REN Zhen, LIU Yu-Qian, GU Li-Feng, LU Hai-Tong, Irshad Ahmad, JIAO Xiu-Rong, MENG Tian-Yao, ZHOU Gui-Sheng
表2 重金属处理下不同时期蓖麻植株叶片的POD活性的变化
Table 2 Variation of POD activity in leaf at different growth stages under different heavy metals treatments in castor seedlings
处理
Treatment		 浓度
Concentration (mg L-1)		 POD (U g-1 FW)
10 DAS 25 DAS 45 DAS
Cu 0 51.5 b 50.8 c 89.2 d
30 39.7 d 64.1 b 125.5 c
60 49.8 c 74.3 ab 166.0 b
120 57.5 a 79.5 a 275.0 a
Zn 0 46.8 c 49.8 d 156.3 d
30 32.0 d 70.7 c 175.9 c
60 60.9 b 79.8 b 269.2 b
120 75.3 a 92.5 a 419.0 a
Cd 0 47.5 b 53.2 d 135.1 d
30 26.4 d 59.4 c 246.1 c
60 37.8 c 82.0 a 327.4 a
120 66.6 a 80.2 b 260.2 b