耐盐性不同水稻品种根系对盐胁迫的响应差异及其机理研究

顾逸彪, 颜佳倩, 薛张逸, 束晨晨, 张伟杨, 张耗, 刘立军, 王志琴, 周振玲, 徐大勇, 杨建昌, 顾骏飞

Different Responses of Roots of Rice Varieties to Salt Stress and the Underlying Mechanisms

Gu Yibiao, Yan Jiaqian, Xue Zhangyi, Shu Chenchen, Zhang Weiyang, Zhang Hao, Liu Lijun, Wang Zhiqin, Zhou Zhenling, Xu Dayong, Yang Jianchang, Gu Junfei

表1 盐胁迫对不同水稻品种产量及其构成因素的影响（2020）

Table 1 Effects of salt stress on yield and its components of different rice varieties (2020)

品种 Variety 处理 Treatment 每盆穗数 Number of panicles per pot 穗粒数 Spikelets per panicle 总颖花数 Total number of spikelets (×103) 结实率 Seed-setting rate (%) 千粒重 1000-grain weight (g) 产量 （g/盆） Yield (g/pot) 减产率 Yield reduction rate (%) 连鉴5号 Lianjian 5 0.00% 21.3a 170a 3.63a 70.2a 24.5a 62.4a / 0.10% 20.7a 142b 2.94b 69.5a 24.5a 49.8b 20.0a 0.20% 20.3a 119c 2.42c 69.5a 24.3a 40.9c 34.5b 0.25% 15.3b 109d 1.78d 67.7a 23.2b 27.9d 55.3c 连鉴6号 Lianjian 6 0.00% 19.3a 176a 3.40a 64.7a 26.1a 57.2a / 0.10% 18.7a 141b 2.62b 62.9a 27.2a 44.8b 21.7a 0.20% 15.7b 133bc 2.09c 62.8a 27.2b 35.7c 37.7b 0.25% 14.7b 128c 1.87c 62.2a 25.5b 29.6d 48.1c 连鉴7号 Lianjian 7 0.00% 18.3a 164a 3.01a 71.0a 27.4a 58.6a / 0.10% 16.7b 157a 2.61b 69.4b 26.8b 48.7b 16.7a 0.20% 15.0c 130b 1.95c 69.1b 26.6b 36.3c 37.9b 0.25% 13.7c 117c 1.60d 67.5c 26.6b 28.7d 50.8c 连鉴9号 Lianjian 9 0.00% 18.7a 147a 2.74a 86.5a 24.2a 57.3a / 0.10% 18.3a 145a 2.66a 81.6b 24.1a 52.4b 8.5a 0.20% 16.3b 127b 2.07b 75.4c 22.8b 35.6c 37.9b 0.25% 16.3b 100c 1.64c 70.1d 22.6b 25.8d 54.9c 连粳7号 Lianjing 7 0.00% 21.0a 175a 3.65a 73.8a 27.3a 73.6a / 0.10% 17.7b 164a 2.90b 60.3b 27.2b 47.6b 35.3a 0.20% 11.7c 105b 1.23c 57.5b 27.1b 19.1c 74.1b 0.25% / / / / / / / 武运粳30号 Wuyunjing 30 0.00% 20.7a 191a 3.93a 79.1a 27.2a 84.5a / 0.10% 15.7b 143b 2.23b 54.9b 27.0a 33.0b 60.9a 0.20% 12.7c 122c 1.55c 48.5c 26.7b 20.0c 76.3b 0.25% / / / / / / /