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6 成熟期小麦产量及产量构成因素

Table 6 Yield and yield components of wheat at maturity stage

品种Variety 处理 Treatment 穗粒数 Kernels per spike 穗数(×104/hm2) Spike number 千粒重(g) 1000-kernel weight 产量(kg/hm2) Yield 豫麦49-198 Yumai 49-198 N1 29.60e 566.00cd 52.33a 5 556.67f N2 39.40c 712.00a 49.21d 8 036.67a N3 36.70d 708.00a 47.40e 7 170.00bc 郑麦0943 Zhengmai 0943 N1 29.30e 508.00ef 51.10b 4 890.00g N2 44.50b 638.00b 50.64bc 6 873.33c N3 40.90c 606.00bc 44.99fg 6 196.67de 百农418 Bainong 418 N1 26.10f 532.00de 50.22bc 4 216.67h N2 40.80c 614.00bc 49.90cd 5 723.33ef N3 41.50c 626.00b 49.29d 7 636.67ab 许科316 Xuke 316 N1 29.60e 482.00f 45.88f 4 850.00g N2 48.10a 584.00c 45.02fg 6 706.67cd N3 49.10a 594.00bc 44.19g 7 713.33ab F值F-value 氮肥Nitrogen 760.21** 64.32** 149.65** 175.90** 品种Variety 83.73** 30.09** 209.40** 19.81** 氮肥×品种Nitrogen×Variety 19.34** 1.77 27.87** 14.16**