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5 水稻灌浆期叶片中¹³C的分配比例

Table 5 Proportion of ¹³C-distribution in rice leaves during grain filling

品种 Cultivar	灌溉方式 Irrigation regime	叶片中¹³C分配比例 ¹³C-distribution in rice leaves (%)
品种 Cultivar	灌溉方式 Irrigation regime	抽穗期 Heading	花后10 d 10 DPA	花后30 d 30 DPA
扬两优6号	CI	15.67 a	11.88 a	4.62 a
Yangliangyou 6	WMD	16.20 a	9.74 b	3.04 b
	WSD	16.89 a	7.00 c	1.97 c
武运粳24	CI	18.25 a	12.39 a	5.12 a
Wuyunjing 24	WMD	17.88 a	11.86 a	2.38 b
	WSD	18.43 a	6.87 b	2.00 b
旱优8号	CI	19.03 a	14.21 a	6.05 a
Hanyou 8	WMD	18.41 a	13.69 ab	4.97 b
	WSD	19.22 a	12.43 b	4.33 b