干旱胁迫下枯草芽孢杆菌对玉米种子抗旱性及生理指标的影响

李安, 舒健虹, 刘晓霞, 蒙正兵, 王小利, 赵德刚

Effects of Bacillus subtilis on Drought Resistance and Physiological Indexes of Maize Seeds under Drought Stress

Li An, Shu Jianhong, Liu Xiaoxia, Meng Zhengbing, Wang Xiaoli, Zhao Degang

表2 不同处理对玉米种子萌发及幼苗含水量的影响

Table 2 Effects of different treatments on seeds germination and seedling water contents of maize

处理 Treatment 发芽率 Germination rate 发芽势 Germination potential 发芽指数 Germination index 活力指数 Vitality index 幼苗含水量 Seedling moisture content (%) CK1 0.5407±0.0485b 0.5185±0.0606a 26.897±1.041a 86.905±24.587ab 87.926±1.960a A1 0.6963±0.0392a 0.6741±0.0518a 24.256±3.126ab 67.343±15.146b 88.129±0.848a B1 0.6222±0.0256ab 0.5926±0.0322a 21.771±3.212b 85.964±8.405ab 89.655±0.433a C1 0.7111±0.0256a 0.6518±0.0196a 27.605±2.138a 116.878±24.331a 89.818±0.562a D1 0.6963±0.0074a 0.6815±0.0196a 26.854±0.237a 92.677±12.588ab 87.720±1.454a CK2 0.5734±0.0569b 0.4582±0.0369b 17.841±1.834bc 24.764±2.305b 82.682±0.898a A2 0.7731±0.0541a 0.7442±0.0698a 23.309±2.428a 30.262±6.146b 82.369±2.543a B2 0.6724±0.0328ab 0.6354±0.0399a 17.242±0.782c 28.392±1.659b 85.005±0.913a C2 0.7924±0.0366a 0.7106±0.0260a 18.082±0.417bc 25.673±5.573b 82.438±2.607a D2 0.7704±0.0103a 0.7505±0.0266a 22.482±4.933ab 40.305±5.189a 85.464±0.536a