赤霉素浸种对干旱胁迫下甜菜种子萌发和幼苗生长的影响

孙梦媛, 张必周, 张辉, 陈学亮, 张自强, 王良, 付增娟, 赵尚敏, 鄂圆圆, 张博文, 郑文哲

Effects of Gibberellin Soaking on Seed Germination and Seedling Growth of Sugar Beet under Drought Stress

Sun Mengyuan, Zhang Bizhou, Zhang Hui, Chen Xueliang, Zhang Ziqiang, Wang Liang, Fu Zengjuan, Zhao Shangmin, E Yuanyuan, Zhang Bowen, Zheng Wenzhe

表3 不同浓度GA浸种对干旱胁迫下甜菜种子萌发的影响

Table 3 Effects of different concentrations of GA on the germination of sugar beet seeds under drought stress

品种 Variety 处理 Treatment 发芽势 Germination potential (%) 发芽率 Germination rate (%) 发芽指数 Germination index 活力指数 Vigor index NT39106 HCK 92.33±0.58a 95.33±0.58a 41.76±0.66a 203.80±8.47a DCK 41.67±3.51c 84.33±2.08c 24.11±0.13d 51.00±2.54d DGA1 52.89±2.69b 88.56±1.26b 26.64±0.60c 61.11±3.84c DGA2 57.56±1.17b 89.33±1.15b 27.43±0.36bc 63.87±2.41bc DGA3 57.89±3.83b 89.00±1.76b 27.38±0.53bc 64.19±2.28bc DGA4 57.33±6.83b 90.67±1.76b 28.00±1.25b 70.25±5.85b NT2206 HCK 94.00±1.00a 97.00±1.00a 43.83±0.25a 232.16±6.32a DCK 54.67±4.73c 85.00±2.65c 26.46±0.23c 65.64±2.66d DGA1 68.67±7.23b 90.00±3.61b 31.16±2.14b 82.77±1.57c DGA2 76.33±3.21b 93.00±1.73ab 32.49±0.44b 92.28±2.81b DGA3 70.00±4.00b 92.67±0.58ab 31.24±0.50b 81.40±2.39c DGA4 71.00±5.20b 92.00±3.46b 30.86±1.17b 79.54±4.48c