不同熟期品种间作对玉米生理成熟后籽粒脱水性能和粒重的影响

李泽松, 肖珊珊, 张翼飞, 李桂彬, 陆雨欣, 刘海晨, 陈忠旭

Effects of Intercropping of Varieties with Different Maturity Stages on Grain Dehydration Performance and Grain Weight of Maize after Physiological Maturity

Li Zesong, Xiao Shanshan, Zhang Yifei, Li Guibin, Lu Yuxin, Liu Haichen, Chen Zhongxu

表2 间作条件下各熟期品种籽粒含水率和脱水速率

Table 2 Grain moisture contents and dehydration rates of varieties with various maturity stages under intercropping conditions

年份 Year	间作处理 Intercropping treatment	间作行数 Intercropping rows	生理成熟期含水率 Moisture content in physiological maturity stage (%)		收获期含水率 Moisture content in harvest period (%)		生理成熟后平均脱水速率 Average dehydration rate after physiological maturity [%/(℃·d)]
年份 Year	间作处理 Intercropping treatment	间作行数 Intercropping rows	LGPV	SGPV	LGPV	SGPV	LGPV	SGPV
2021	Z‖D	1:00	36.99a	－	31.61a	－	0.0195c	－
		6:06	36.27b	31.17ab	30.43b	22.06a	0.0207bc	0.0228a
		4:04	35.86c	31.55ab	29.84c	22.52a	0.0213abc	0.0223a
		2:02	35.36d	31.79ab	28.84d	23.42a	0.0218ab	0.0220a
		1:01	34.68e	32.28a	28.01e	24.12a	0.0223a	0.0216a
		0:01	－	30.71b	－	21.02a	－	0.0242a
	X‖D	1:00	34.79a	－	28.65a	－	0.0221c	－
		6:06	34.41b	30.96a	27.73b	21.81ab	0.0224bc	0.0241a
		4:04	33.81c	31.32a	27.06c	22.38ab	0.0226abc	0.0239a
		2:02	33.28d	31.53a	26.08d	23.21ab	0.0227ab	0.0236a
		1:01	32.68e	32.01a	25.26e	23.74a	0.0234a	0.0233a
		0:01	－	30.71a	－	21.02b	－	0.0242a
2022	Z‖D	1:00	37.61a	－	32.32a	－	0.0188c	－
		6:06	37.24b	31.64a	31.67b	24.31ab	0.0189bc	0.0211a
		4:04	36.67c	31.85a	30.99c	24.72ab	0.0193abc	0.0206a
		2:02	36.14d	32.21a	30.01d	25.61ab	0.0199ab	0.0198a
		1:01	35.61e	32.41a	29.38e	26.09a	0.0202a	0.0195a
		0:01	－	31.15a	－	23.13b	－	0.0225a
	X‖D	1:00	35.31a	－	29.36a	－	0.0203c	－
		6:06	34.96b	31.44ab	28.61b	24.19ab	0.0206c	0.0220a
		4:04	34.42c	31.75ab	27.94c	24.68ab	0.0210bc	0.0214a
		2:02	33.99d	32.16ab	26.93d	25.58ab	0.0219b	0.0205a
		1:01	33.68e	32.55a	26.27e	26.06a	0.0230a	0.0196a
		0:01	－	31.15b	－	23.13b	－	0.0225a
F值F-value
年份Year (Y)			936.89^**	4.29^*	5438.61^**	33.33^**	99.50^**	7.23^**
品种Variety (V)			6432.44^**	0.33	46 683.22^**	0.1	112.03^**	0.95
间作行数Intercropping rows (IR)			782.64^**	5.37^**	7298.84^**	7.13^**	21.31^**	0.96
Y×V			18.83^**	0.14	93.90^**	0.04	3.13	0.14
Y×IR			6.26^**	0.03	33.95^**	0.01	0.25	0.08
V×IR			3.52^*	0.03	0.91	0.01	0.53	0.07
Y×V×IR			3.25^*	0.03	6.24^**	0.01	0.77	0.01