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6 温度升高对不同种植方式下干物质转运特性的影响

Table 6 Effects of high temperature stress on dry matter transport characteristics under different planting modes

品种 Variety 种植方式 Planting modes 温度处理 Temperature treatments 始穗期 Initial heading stage (g·hole-1) 成熟期 Mature stage (g·hole-1) 转运量 Translocation amount (g·hole-1) 转运率 Translocation rate (%) 贡献率 Contribution rate (%) 茎叶 Stem and leaf 穗 Panicle 茎叶 Stem and leaf 穗 Panicle 南粳9108 NJ9108 移栽 TP 常温 NT 40.75±0.93 2.48±0.06 30.73±0.80Bc 29.95±1.12Aa 10.02±0.46Aa 24.60 33.46 中度升温MT 32.71±0.85Bb 21.32±0.55Bb 8.04±0.21Bb 19.73 37.71 极端高温 HT 35.71±0.93Aa 12.11±1.31Cc 5.04±0.15Cc 12.37 41.63 直播 DS 常温 NT 39.89±1.04 3.15±0.08 28.86±0.75Bc 31.52±0.82Aa 11.03±0.29Aa 27.65 35.00 中度升温 MT 30.09±0.78Bb 25.55±0.56Bb 9.80±0.27Bb 24.56 38.34 极端高温 HT 36.19±0.94Aa 9.39±0.34Cc 3.70±0.18Cc 9.28 39.40 南粳46 NJ46 移栽 TP 常温 NT 40.15±0.97 2.87±0.07 27.74±0.72Cc 35.32±0.92Aa 12.41±0.32Aa 30.91 35.13 中度升温 MT 30.95±0.80Bb 29.99±1.08Bb 9.20±0.24Bb 22.92 30.69 极端高温 HT 34.25±0.89Aa 22.87±0.59Cc 5.90±0.17Cc 14.69 25.80 直播 DS 常温 NT 40.7±1.12 3.05±0.05 28.89±0.75Cc 35.28±1.32Aa 11.81±0.31Aa 29.02 33.48 中度升温 MT 31.75±0.83Bb 29.81±0.78Bb 8.95±0.13Bb 21.99 30.02 极端高温 HT 34.25±0.72Aa 21.58±0.57Cc 6.46±0.09Cc 15.86 29.91