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2 盐胁迫对不同水稻品种产量及其构成因素的影响（2021）

Table 2 Effects of salt stress on yield and its components of different rice varieties (2021)

品种 处理 每盆穗数 穗粒数 总颖花数 结实率 千粒重 产量 减产率 Variety Treatment No. of panicles Spikelets per Total number of Seed-setting 1000-grain （g/盆） Yield reduction per pot panicle spikelets (×103) rate (%) weight (g) Yield (g/pot) rate (%) 连鉴5号 0.00% 21.6a 173a 3.75a 73.9a 23.4a 64.7a / Lianjian 5 0.10% 19.2b 158b 3.06b 68.7ab 23.3a 48.8b 24.6a 0.20% 19.4c 142c 2.76b 67.4b 23.0b 42.8b 33.8b 0.25% 16.4c 132d 2.14c 66.1b 22.3c 32.0c 50.5c 连鉴6号 0.00% 22.5a 141a 3.19a 82.5a 26.7a 70.3a / Lianjian 6 0.10% 18.3b 134ab 2.45b 78.6ab 26.7a 51.4b 26.9a 0.20% 14.5c 129b 1.88c 75.6b 26.4b 37.3c 46.9b 0.25% 13.3c 124b 1.65c 73.5c 25.9c 31.4c 55.3c 连鉴7号 0.00% 20.2a 149a 3.00a 81.0a 27.4a 66.6a / Lianjian 7 0.10% 16.8b 141a 2.57b 80.0a 27.5a 52.4b 21.4a 0.20% 15.6b 122b 1.94c 73.9b 27.4a 38.8c 41.7b 0.25% 12.8c 124b 1.10d 70.4c 27.4b 30.7d 53.9c 连鉴9号 0.00% 21.6a 147a 3.17a 85.5a 24.3a 66.0a / Lianjian 9 0.10% 19.6b 138ab 2.71b 84.8a 24.4a 56.0b 15.1a 0.20% 17.8c 131bc 2.34c 80.1b 24.3a 45.6c 30.9b 0.25% 14.8d 123c 1.94d 77.5b 23.9b 33.8d 48.8c 连粳7号 0.00% 24.6a 156a 3.84a 85.1a 25.7a 83.9a Lianjing 7 0.10% 21.2b 130b 2.75b 70.2b 25.7a 49.7b 40.7a 0.20% 16.6c 113c 1.91c 55.1c 24.3b 25.3c 69.8b 0.25% / / / / / / / 武运粳30号 0.00% 20.0a 187a 3.25a 81.8a 27.8a 85.3a / Wuyunjing 30 0.10% 13.5b 141b 1.93b 67.1b 27.8a 35.6b 58.2a 0.20% 11.8b 117c 1.38c 52.5c 27.0c 19.7c 76.9b 0.25% / / / / / / /