微塑料作用下锌对玉米种子萌发与生长影响

廖彩云, 马贵, 周炎炎, 丁家富, 周悦, 毕可心, 孙蓉, 李有花

Effects of combined exposure of zinc and different microplastics on seed germination and growth of maize

LIAO Caiyun, MA Gui, ZHOU Yanyan, DING Jiafu, ZHOU Yue, BI Kexin, SUN Rong, LI Youhua

表1 Zn和微塑料不同处理下玉米种子发芽特性的变化

Tab.1 Changes of germination characteristics of maize seeds under different treatments of Zn and microplastics

微塑料及浓度 Microplastics and concentration (mg/L) 发芽势 Germination potential(%) 发芽指数 Germination index 活力指数 Vitality index Zn0 Zn0 Zn0 Zn50 Zn50 Zn50 Zn100 Zn100 Zn100 PE0 75 70.8 54.2 5.86 6.09 4.67 25.5 27.5 14.7 PE100 79.2 87.5 95.8 6.29 6.81 7.43 25.2 24.5 34 PE500 87.5 83.3 87.5 6.71 6.52 6.48 26.6 29.3 27.6 PE1000 91.7 83.3 58.3 7.06 7.05 4.86 40.2 37.1 9.1 PP0 75 70.8 54.2 5.86 6.09 4.67 25.5 27.5 14.7 PP100 83.3 91.7 75 6.71 7.1 5.9 22.97 29.21 15.66 PP500 75.2 83.3 79.2 6.48 6.62 5.9 22.61 23.17 17.76 PP1000 66.7 79.2 79.2 5.76 6.48 6.33 20.89 21.34 18.32 PVC0 75 70.8 54.2 5.86 6.09 4.67 25.5 27.5 14.7 PVC100 83.36 98.83 79.17 6.57 7.05 6.24 23.49 31.8 20.83 PVC500 70.83 83.33 66.67 5.88 6.57 6.05 19.7 18.72 16.15 PVC1000 79.17 75 83.33 6.05 5.71 6.24 22.63 18.93 24.75