不同玉米品种抗旱性的生理鉴定与综合评价

李春情, 刘翔宇, 闫鹏, 周六千, 卢霖, 董志强, 徐江

Physiological Identification and Comprehensive Evaluation of Drought Resistance of Different Maize Varieties

Li Chunqing, Liu Xiangyu, Yan Peng, Zhou Liuqian, Lu Lin, Dong Zhiqiang, Xu Jiang

表2 供试材料各指标的抗旱指数在不同区间的分布

Table 2 Different distributions of DI of indexes in tested varieties

指标 Index 频次Frequency 0≤DI<0.2 0.2≤DI<0.4 0.4≤DI<0.6 0.6≤DI<0.8 0.8≤DI<1.0 1.0≤DI<1.2 1.2≤DI<1.4 1.4≤DI<1.6 1.6≤DI<1.8 1.8≤DI<2.0 DI≥2.0 Chl 0 0 3 7 15 10 1 4 0 0 2 MDA 0 0 0 8 16 13 4 1 0 0 0 SOD 0 2 0 6 5 11 10 5 0 2 1 CAT 0 1 5 11 5 3 4 5 1 1 6 POD 2 3 4 6 5 3 5 4 2 2 6 Pro 0 0 4 10 3 3 5 5 2 6 5