施氮量对不同品种小麦物质积累、转运及产量的影响

姜丽娜,张雅雯,朱娅林,赵凌霄

Effects of Nitrogen Application on Dry Matter Accumulation, Transport and Yield in Different Wheat Varieties

Lina Jiang,Yawen Zhang,Yalin Zhu,Lingxiao Zhao

表3 不同施氮量条件下不同品种小麦植株氮素积累量

Table 3 Nitrogen accumulation of different wheat varieties under different nitrogen application rates kg/hm²

品种Variety		处理Treatment	越冬期Over-wintering stage	拔节期Jointing stage	开花期Anthesis stage	成熟期Maturity stage
豫麦49-198 Yumai 49-198		N1	28.96g	41.73f	137.51d	207.26e
		N2	53.76d	74.48d	260.96a	314.79b
		N3	75.95a	115.48b	264.91a	335.35a
郑麦0943 Zhengmai 0943		N1	18.93i	21.05g	108.14e	161.63g
		N2	32.53f	60.12e	226.15bc	247.09d
		N3	59.05c	105.65c	228.01bc	286.64c
百农418 Bainong 418		N1	18.70i	20.63g	132.47d	153.86g
		N2	30.27fg	46.73f	217.41c	241.23d
		N3	66.18b	142.85a	239.90b	286.20c
许科316 Xuke 316		N1	22.46h	27.86g	142.89d	178.82f
		N2	38.91e	43.17f	238.02b	254.20d
		N3	67.95b	105.45c	241.22b	289.52c
F值F-value	氮肥Nitrogen		2 634.13^**	1 556.93^**	722.48^**	4 626.96^**
	品种Variety		199.48^**	35.52^**	28.51^**	636.30^**
	氮肥×品种Nitrogen×Variety		16.57^**	35.92^**	4.51^**	20.46^**