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5 开花期营养器官积累的氮素向子粒的转运和对子粒的贡献

Table 5 Transfer of nitrogen from vegetative organs to grain and contribution to grain at anthesis stage

品种 Variety		处理 Treatment	营养器官氮素积累量(kg/hm²) Nitrogen accumulation in vegetative organs		氮素转运 Nitrogen translocation
品种 Variety		处理 Treatment	开花期 Anthesis stage	成熟期 Maturity stage	转运量(kg/hm²) Translocation amount	转运率(%) Translocation rate	贡献率(%) Contribution rate
豫麦49-198 Yumai 49-198		N1	137.51d	52.36e	85.15ef	61.92c	54.97e
		N2	260.96a	83.93bc	177.04a	67.84abc	76.69cd
		N3	264.91a	95.76a	169.15ab	63.85abc	70.60d
郑麦0943 Zhengmai 0943		N1	108.14e	36.60f	71.54f	66.15abc	57.22e
		N2	226.15bc	64.90d	161.26ab	71.30ab	88.51ab
		N3	228.01bc	83.49bc	144.52c	63.38bc	71.14d
百农418 Bainong 418		N1	132.47d	38.28f	94.19de	71.10ab	81.50bc
		N2	217.41c	63.78d	153.63bc	70.66ab	86.58ab
		N3	239.90b	86.63b	153.27bc	63.89abc	76.80cd
许科316 Xuke 316		N1	142.89d	41.27f	101.63d	71.12ab	73.88cd
		N2	238.02b	67.43d	170.59a	71.67a	91.33a
		N3	241.22b	78.31c	162.92ab	67.54abc	77.13cd
F值F-value	氮肥Nitrogen		722.48^**	497.46^**	263.19^**	5.56^**	48.92^**
	品种Variety		28.51^**	42.98^**	8.99^**	3.90^*	18.94^**
	氮肥×品种 Nitrogen×Variety		4.51^**	2.74^*	2.60^*	0.80	5.23^**