干湿交替灌溉对水稻花后同化物转运和籽粒灌浆的影响
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徐云姬, 许阳东, 李银银, 钱希旸, 王志琴, 杨建昌
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Effect of Alternate Wetting and Drying Irrigation on Post-anthesis Remobilization of Assimilates and Grain Filling of Rice
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Yun-Ji XU, Yang-Dong XU, Yin-Yin LI, Xi-Yang QIAN, Zhi-Qin WANG, Jian-Chang YANG
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| 表1 干湿交替灌溉对供试水稻产量及其构成因素的影响 |
| Table 1 Effect of alternate wetting and drying irrigation on grain yield and its components of rice |
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品种
Cultivar | 灌溉
方式
Irrigation regime | 产量
Grain yield
(t hm-2) | 穗数
Panicles
(×104 hm-2) | 每穗粒数
Number of spikelets per panicle | 千粒重
1000-grain weight
(g) | 结实率
Filled grains
(%) | 整个生长期
灌溉水量
Irrigation water during the whole growing season (mm) | 抽穗后
灌溉水量
Irrigation water after heading (mm) | 灌溉水
利用效率
Water use
efficiency for
irrigation
(kg grain m-3) | | 扬两优6号 | CI | 9.83 b | 218.88 a | 189.50 b | 28.40 b | 83.42 b | 922 a | 286 a | 1.07 c | | Yangliangyou 6 | WMD | 10.88 a | 205.83 b | 206.04 a | 29.96 a | 85.63 a | 704 b | 140 b | 1.55 a | | WSD | 7.22 c | 186.69 c | 177.40 c | 26.88 c | 81.06 c | 516 c | 108 c | 1.40 b | | 武运粳24 | CI | 8.76 b | 230.25 a | 175.13 b | 26.06 b | 83.35 b | 914 a | 275 a | 0.96 c | | Wuyunjing 24 | WMD | 9.72 a | 210.17 b | 188.68 a | 27.96 a | 87.68 a | 722 b | 124 b | 1.35 a | | WSD | 5.99 c | 189.18 c | 160.30 c | 24.36 c | 81.12 c | 536 c | 104 c | 1.12 b | | 旱优8号 | CI | 9.03 b | 236.01 a | 172.84 b | 25.20 b | 87.84 b | 908 a | 279 a | 0.99 c | | Hanyou 8 | WMD | 9.73 a | 220.47 b | 183.71 a | 26.85 a | 89.45 a | 687 b | 133 b | 1.42 a | | WSD | 6.97 c | 208.85 c | 162.42 c | 24.16 c | 85.02 c | 528 c | 94 c | 1.32 b |
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