干湿交替灌溉对水稻花后同化物转运和籽粒灌浆的影响

徐云姬, 许阳东, 李银银, 钱希旸, 王志琴, 杨建昌

Effect of Alternate Wetting and Drying Irrigation on Post-anthesis Remobilization of Assimilates and Grain Filling of Rice

Yun-Ji XU, Yang-Dong XU, Yin-Yin LI, Xi-Yang QIAN, Zhi-Qin WANG, Jian-Chang YANG

表3 干湿交替灌溉对水稻剑叶光合速率的影响

Table 3 Effect of alternate wetting and drying irrigation on photosynthetic rate of flag leaf of rice

品种 Cultivar	灌溉方式 Irrigation regime	光合速率 Photosynthetic rate (μmol m^-2s^-1)
品种 Cultivar	灌溉方式 Irrigation regime	D1	W1	D2	W2
扬两优6号	CI	20.59 a	21.13 b	15.89 a	15.96 b
Yangliangyou 6	WMD	21.00 a	24.08 a	16.20 a	17.81 a
	WSD	18.42 b	19.43 c	13.37 b	14.16 c
武运粳24	CI	20.61 a	20.30 b	16.23 a	16.56 b
Wuyunjing 24	WMD	20.75 a	23.05 a	16.56 a	18.03 a
	WSD	19.02 b	18.72 c	14.03 b	14.81 c
旱优8号	CI	21.38 a	20.43 b	15.92 a	15.38 b
Hanyou 8	WMD	20.83 a	22.94 a	16.11 a	17.09 a
	WSD	18.72 b	18.22 c	14.63 b	12.27 c