不同种植方式下温度升高对水稻产量及同化物转运的影响

张明静,韩笑,胡雪,臧倩,许轲,蒋敏,庄恒扬,黄丽芬

Effects of Elevated Temperature on Rice Yield and Assimilate Translocation Under Different Planting Patterns

ZHANG MingJing,HAN Xiao,HU Xue,ZANG Qian,XU Ke,JIANG Min,ZHUANG HengYang,HUANG LiFen

表5 温度升高对不同种植方式下水稻一、二次枝梗籽粒千粒重和结实率的影响

Table 5 Effects of high temperature stress on 1000-grain weight and filled grain percentage of primary and secondary branches of rice under different planting modes

品种 Variety 种植方式 Planting modes 温度处理 Temperature treatments 一次枝梗千粒重 1000-grain weight of primary branch (g) 二次枝梗千粒重 1000-grain weight of secondary branch (g) 一次枝梗结实率 Filled grain percentage of primary branch (%) 二次枝梗结实率 Filled grain percentage of secondary branch (%) 南粳9108 NJ9108 移栽 TP 常温 NT 27.71±0.33Aa 25.52±0.09Aa 90.82±0.28Aa 84.88±0.09Aa 中度升温MT 25.35±0.14ABb 24.03±0.216Bb 55.27±0.72Bb 36.30±0.43Bb 极端高温HT 25.24±0.16Bb 23.96±0.05Bb 7.95±0.40Cc 7.13±0.12Cc 直播 DS 常温 NT 26.47±0.50Aa 25.23±0.03Aa 89.48±0.44Aa 85.11±0.81Aa 中度升温MT 26.53±0.22Aa 24.07±0.00Bb 60.64±1.12Bb 43.93±2.05Bb 极端高温HT 25.57±0.17Aa 23.78±0.16Bb 5.52±0.07Cc 4.35±0.09Cc 南粳46 NJ46 移栽 TP 常温 NT 27.95±0.64Aa 26.62±0.39Aa 90.00±0.83Aa 83.17±0.18Aa 中度升温MT 26.79±0.11Aa 26.34±0.56Aa 81.16±2.13Aa 72.60±0.52Bb 极端高温HT 26.26±0.11Aa 25.23±0.23Aa 60.11±1.32Bb 53.47±0.52Cc 直播 DS 常温 NT 28.68±0.02Aa 26.70±0.23Aa 90.44±0.43Aa 85.65±0.92Aa 中度升温MT 27.50±0.01Bb 25.25±0.02Aab 73.69±1.27Bb 54.80±0.09Bb 极端高温HT 27.06±0.17Bb 24.78±0.40Ab 63.97±0.84Cc 44.29±1.99Bc 南粳9108 NJ9108 种植方式 Planting modes 0.16 2.26 1.22 5.1 温度处理 Temperature treatments 18.52** 97.08** 10160.00** 3748.00** 种植方式×温度处理 Planting modes×Temperature treatments 9.39* 0.99 25.60** 17.02** 南粳46 NJ46 种植方式 Planting modes 11.05* 2.99 1.06 111.92** 温度处理 Temperature treatments 18.99** 11.53** 252.87** 712.90** 种植方式×温度处理 Planting modes×Temperature treatments 0.02 1.43 10.71** 57.97**