长江下游稻区不同类型双季晚粳稻产量与生育特性差异

殷敏,刘少文,褚光,徐春梅,王丹英,章秀福,陈松

Differences in Yield and Growth Traits of Different Japonica Varieties in the Double Cropping Late Season in the Lower Reaches of the Yangtze River

Min YIN,ShaoWen LIU,Guang CHU,ChunMei XU,DanYing WANG,XiuFu ZHANG,Song CHEN

表5 2017—2018年不同类型晚稻不同生育阶段温光资源配置差异

Table 5 Differences in the allocation of temperature and light resources among different growth stages of different types of late rice from 2017 to 2018

年份 Year	类型 Type	营养生长期 Vegetative stage			穗发育期 Reproductive stage			灌浆期 Grain filling stage			全生育期 Growth period
年份 Year	类型 Type	EAT (℃)	LH (h)	Rs (MJ·m^-2)	EAT (℃)	LH (h)	Rs (MJ·m^-2)	EAT (℃)	LH (h)	Rs (MJ·m^-2)	EAT (℃)	LH (h)	Rs (MJ·m^-2)
2017	IR	1187.7b	449.5a	1097.8a	433.5a	126.6a	360.3a	419.3b	88.8d	426.2c	2040.5c	664.9c	1872.2c
	IJR	1187.7a	449.5a	1097.8b	380.1a	110.5ab	312.7a	532.4a	168.5c	580.6b	2100.2b	728.5b	1979.1b
	HJR	1187.7b	449.5a	1097.8a	402.6a	107.3b	327.4a	522.9a	185.7b	589.8ab	2113.2ab	742.5ab	2003.0ab
	IJHR	1187.7b	449.5a	1097.8a	412.9a	113.7ab	338.4a	530.6a	198.7a	613.6a	2131.2a	762.0a	2037.7a
2018	IR	1157.0a	432.3a	1066.3a	434.1a	140.9a	386.6a	456.5b	225.7b	540.6b	2047.6b	786.8b	1973.3c
	IJR	1130.3b	425.7b	1045.1b	387.8a	128.5ab	340.3ab	595.4a	273.1a	703.5a	2113.5a	815.1a	2068.6b
	HJR	1176.1a	437.1a	1081.5a	334.1b	117.9b	299.3b	627.9a	288.3a	745.3a	2138.1a	831.2a	2105.8ab
	IJHR	1118.8b	422.8b	1035.9b	418.4a	138.3a	368.9a	609.7a	287.5a	744.1a	2146.8a	836.5a	2128.7a
ANOVA
品种类型 Type (T)		12.81**	12.81**	12.81**	4.85**	5.67**	5.01**	29.40**	69.42**	56.94**	40.14**	36.39**	40.32**
年份Year (Y)		151.25**	547.95**	222.51**	1.07ns	21.78**	1.40ns	33.19**	529.12**	116.76**	5.31*	306.87**	76.48**
T×Y		12.81**	12.81**	12.81**	1.51ns	0.60ns	1.08ns	1.13ns	4.80**	0.43ns	0.25ns	3.81*	0.10ns