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4 干湿交替灌溉对供试水稻品种茎鞘NSC积累和运转的影响

Table 4 Effect of alternate wetting and drying irrigation on NSC accumulation and remobilization of rice

品种 Cultivar	灌溉方式 Irrigation regime	茎鞘NSC积累 NSC accumulation in stems (g m^-2)			NSC运转率 NSC remobilization (%)	NSC对籽粒产量的贡献率 Contribution of NSC to grain yield (%)
品种 Cultivar	灌溉方式 Irrigation regime	抽穗期 Heading	成熟期 Maturity	抽穗-成熟 Heading-maturity	NSC运转率 NSC remobilization (%)	NSC对籽粒产量的贡献率 Contribution of NSC to grain yield (%)
扬两优6号	CI	282.89 a	214.05 a	68.84 c	24.33 b	7.00 c
Yangliangyou 6	WMD	275.06 b	170.45 b	104.61 a	38.03 a	9.61 b
	WSD	238.15 c	147.12 c	91.03 b	38.22 a	12.60 a
武运粳24	CI	248.12 a	192.58 a	55.54 b	22.38 b	6.34 c
Wuyunjing 24	WMD	236.84 b	152.54 b	84.30 a	35.59 a	8.67 b
	WSD	224.85 c	144.26 c	80.59 a	35.84 a	13.45 a
旱优8号	CI	256.00 a	198.13 a	57.87 c	22.61 b	6.41 c
Hanyou 8	WMD	241.88 b	156.02 b	85.86 a	35.50 a	8.83 b
	WSD	220.59 c	140.58 c	80.01 b	36.27 a	11.48 a