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
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褚光,徐冉,陈松,徐春梅,王丹英,章秀福
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Effects of Alternate Wetting and Soil Drying on the Grain Yield and Water Use Efficiency of Indica-Japonica Hybrid Rice and Its Physiological Bases
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CHU Guang,XU Ran,CHEN Song,XU ChunMei,WANG DanYing,ZHANG XiuFu
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表5 不同灌溉模式对水稻叶面积指数（LAI）与光合势（LAD）的影响
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Table 5 Leaf area index (LAI) and leaf area duration (LAD) of rice under different irrigation managements
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品种
Cultivar | 处理
Treatment | 叶面积指数 LAI (m2·m-2) | 光合势 LAD (m2·m-2·d) | 拔节期
Jointing | 齐穗期
Heading | 成熟期
Maturity | 拔节前
Before Jointing | 拔节-齐穗
Jointing-Heading | 齐穗-成熟
Heading-Maturity | 甬优1540
YY-1540 | CI | 4.67a | 7.87a | 1.85a | 103a | 251a | 243a | | AWD | 3.71b | 7.58a | 1.80a | 84.2b | 226b | 235a | 春优927
CY-927 | CI | 4.88a | 7.92a | 1.91a | 108a | 256a | 246a | | AWD | 3.87b | 7.63a | 1.88a | 87.4b | 220bc | 238a | 常优5号
CY-5 | CI | 3.52b | 7.01b | 1.14b | 80.4b | 211c | 204b | | AWD | 2.30c | 5.56c | 0.77c | 56.0c | 157d | 158c | 嘉优5号
JY-5 | CI | 3.68b | 6.97b | 1.12b | 83.6b | 213c | 202b | | AWD | 2.12c | 5.48c | 0.71c | 52.4c | 152d | 155c | | 方差分析 ANOVA | | | | | | | | 品种 Cultivar (C) | ** | ** | ** | ** | ** | ** | | 处理 Treatment (T) | ** | ** | ** | ** | * | ** | | 品种×处理 C×T | * | ** | * | ** | * | * |
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