干湿交替灌溉对籼粳杂交稻产量与水分利用效率的影响及其生理基础

褚光,徐冉,陈松,徐春梅,王丹英,章秀福

Effects of Alternate Wetting and Soil Drying on the Grain Yield and Water Use Efficiency of Indica-Japonica Hybrid Rice and Its Physiological Bases

CHU Guang,XU Ran,CHEN Song,XU ChunMei,WANG DanYing,ZHANG XiuFu

表7 不同灌溉模式对灌浆期籽粒中蔗糖合酶（SuSase）和腺苷二磷酸葡萄糖焦磷酸化酶（AGPase）活性的影响

Table 7 Activities of SuSase and AGPase in grains of rice after heading stage under different irrigation managements

品种 Cultivar 处理 Treatment 蔗糖合酶 SuSase (µmol·g-1 DW·min-1) 腺苷二磷酸葡萄糖焦磷酸化酶 AGPase (µmol·g-1 DW·min-1 ) D1 W1 D2 W2 D1 W1 D2 W2 甬优1540 YY-1540 CI 42.3a 41.2b 27.3a 27.0b 29.1a 29.4b 17.6a 17.3b AWD 42.7a 50.0a 27.7a 33.7a 28.3a 36.0a 17.3a 23.1a 春优927 CY-927 CI 40.8a 40.2b 29.3a 28.8b 28.4a 29.0b 17.2a 16.9b AWD 41.8a 48.2a 28.7a 36.8a 27.6a 36.6a 17.1a 22.4a 常优5号 CY-5 CI 31.7b 31.0c 21.1b 21.5c 23.6b 23.7c 11.4b 11.9c AWD 24.4c 31.5c 12.0c 15.8d 18.5c 23.6c 6.34c 8.13d 嘉优5号 JY-5 CI 31.6b 31.3c 23.0b 22.6c 24.6b 24.2c 12.0b 11.7c AWD 22.6c 29.6c 11.9c 17.3d 18.1c 23.2c 6.03c 7.97d 方差分析 ANOVA 品种 Cultivar (C) ** ** ** ** ** ** ** ** 处理 Treatment (T) ** ** * ** ** ** ** ** 品种×处理 C×T ** * * * * ** ** *