河北省冀东地区9个主栽春玉米品种的灌浆特性

王健,姚丹丹,郝茹雪,于青松,韩金玲,周印富,王文颇

Grain Filling Characteristics of Nine Main Spring Corn Varieties in Eastern Hebei Province

Jian Wang,Dandan Yao,Ruxue Hao,Qingsong Yu,Jinling Han,Yinfu Zhou,Wenpo Wang

表1 供试品种产量、产量构成因素和性状

Table 1 Yield, yield components, and traits of tested varieties

品种Variety 穗行数 Spike row number 行粒数 Grain number per row 千粒重(g) 1000-grain weight 穗长(cm) Spike length 穗粗(cm) Ear diameter 秃尖长(cm) Baldness length 轴粗(cm) Axial diameter 产量(kg/hm2) Yield MC670 17.00±1.50bc 30.13±7.05ef 273.86±7.41c 15.40±2.38bc 4.51±0.22c 0.63±0.72a 2.39±0.22c 8 796ab 东单913 Dongdan 913 18.50±1.59a 32.50±4.71bcd 286.82±14.81bc 15.99±1.48ab 4.35±0.18e 0.10±0.23c 2.45±0.13c 10 097ab 粒收1号Lishou No.1 17.43±1.73b 30.47±5.81de 287.32±11.23bc 14.07±2.31ef 4.52±0.24c 0.05±0.15c 4.63±17.12c 8 447b 张1453 Zhang 1453 17.63±1.93b 32.78±5.24abc 267.65±3.49c 14.31±2.24de 4.37±0.24de 0.50±0.60ab 2.44±0.18c 8 881ab 伟科702 Weike 702 15.80±1.43d 28.22±5.14fg 290.01±26.82bc 15.53±2.29bc 4.73±0.24b 0.09±0.24c 2.76±0.19b 8 541b 纯玉958 Chunyu 958 16.53±1.80c 34.63±5.69a 326.83±6.08a 16.53±2.12a 4.93±0.38a 0.09±0.28c 2.89±0.52a 9 083ab 郑原玉432 Zhengyuanyu 432 16.90±1.40bc 27.95±4.53g 269.87±10.77c 13.49±2.07f 4.37±0.22de 0.61±0.70a 2.27±0.12d 9 231ab 早粒1号Zaoli No.1 15.23±1.84e 30.77±5.88cde 289.32±20.91bc 14.88±1.74cd 4.48±0.31cd 0.42±0.61b 2.48±0.21c 9 306ab 金科玉3306 Jinkeyu 3306 17.30±1.50bc 33.15±4.44ab 303.76±10.87ab 16.51±0.97a 4.59±0.31c 0.39±0.45b 2.56±0.23c 10 262a