种子引发对干旱胁迫下高粱种子发芽及生理特性的影响

张瑞栋, 梁晓红, 刘静, 南怀林, 王颂宇, 曹雄

Effects of Seed Priming on Germination and Physiological Characteristics of Sorghum Seeds under Drought Stress

Zhang Ruidong, Liang Xiaohong, Liu Jing, Nan Huailin, Wang Songyu, Cao Xiong

表1 不同引发处理对高粱苗形态指标的影响

Table 1 The effects of different priming treatments on the germination morphological indicators of sorghum seedlings

品种 Variety 生长环境 Growth condition 处理 Treatment 芽长 Shoot length(cm) 根长 Root length (cm) 芽鲜重 Shoot fresh weight (mg) 根鲜重 Root fresh weight (mg) 晋杂22 Jinza 22 正常 NP 5.30±0.98b 2.68±0.61d 42.16±4.80c 8.78±4.04c PEG 7.66±0.40a 8.94±1.03ab 65.16±3.99b 13.66±1.33bc KCl 7.36±0.92a 7.72±1.17b 74.24±10.29a 23.01±3.35ab CaC12 8.04±0.27a 5.98±0.47c 76.02±4.78ab 22.29±4.48ab SA 7.54±0.54a 10.10±1.27a 68.00±5.84ab 22.60±4.89a 干旱 NP 1.64±0.24d 1.44±0.30b 14.38±1.27c 7.08±0.29c PEG 5.22±0.89b 4.96±0.74a 39.72±1.93a 22.80±1.18b KC1 4.32±0.44c 2.76±0.24b 31.86±1.48b 23.96±1.97ab CaC12 6.02±0.37a 4.78±0.79a 37.28±2.38a 27.82±4.25a SA 6.10±0.44a 6.56±2.15a 41.54±3.33a 25.32±2.08ab 晋早5564 Jinzao 5564 正常 NP 4.76±0.46b 5.64±1.16c 50.14±5.32c 14.61±0.92b PEG 6.52±0.71a 9.90±1.97ab 70.66±3.49ab 25.07±6.40a KC1 7.32±0.43a 10.76±1.95ab 71.62±8.67ab 26.46±4.22a CaC12 7.22±0.56a 8.16±1.02bc 73.23±5.20a 28.00±3.83a SA 6.68±0.76a 12.04±2.90a 61.04±2.75bc 24.18±2.91a 干旱 NP 1.98±0.38d 2.12±0.45b 16.47±1.78c 10.96±2.42b PEG 3.20±0.62c 3.98±1.52b 25.28±3.35b 17.66±2.21a KC1 4.78±1.31b 7.00±1.74a 34.58±3.85ab 20.17±1.86a CaC12 5.86±0.60a 6.50±0.66a 42.88±3.39a 22.75±4.03a SA 4.10±0.49bc 7.16±1.68a 38.56±4.12a 21.28±1.80a