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3 各品种玉米子粒灌浆参数和次级参数

Table 3 Grain filling parameters and secondary parameters of different maize varieties

参数 Parameter 伟科702 Weike 702 张1453 Zhang 1453 粒收1号 Lishou No.1 东单913 Dongdan 913 MC670 纯玉958 Chunyu 958 早粒1号 Zaoli No.1 金科玉3306 Jinkeyu 3306 郑原玉432 Zhengyuanyu 432 K 31.630 27.006 29.525 27.223 33.663 34.999 31.323 31.843 28.479 a 38.482 39.366 9.155 12.310 24.641 10.741 53.844 32.269 32.806 b 0.129 0.157 0.111 0.135 0.112 0.102 0.182 0.142 0.160 R2 0.989 0.996 0.986 0.980 0.967 0.952 0.995 0.996 0.987 F 277.770 818.216 214.129 145.846 88.072 58.903 646.622 785.986 223.581 Tmax (d) 28.318 23.365 19.931 18.623 28.662 23.253 21.914 24.500 21.762 Rmax 1.019 1.061 0.820 0.918 0.941 0.893 1.424 1.129 1.142 T (d) 63.967 52.596 61.291 52.712 69.763 68.259 47.175 56.906 50.410 R [g/(百粒·d)][g/(100-grain·d)] 0.494 0.513 0.482 0.517 0.483 0.513 0.664 0.560 0.565 T1 (d) 18.101 14.987 8.077 8.853 16.882 10.354 14.673 15.212 13.551 R1 [g/(百粒·d)][g/(100-grain·d)] 0.369 0.381 0.773 0.650 0.421 0.714 0.451 0.442 0.444 T2 (d) 20.434 16.756 23.708 19.540 23.560 25.798 14.480 18.575 16.421 R2 [g/(百粒·d)][g/(100-grain·d)] 0.894 0.931 0.719 0.805 0.825 0.783 1.249 0.990 1.001 T3 (d) 25.431 20.853 29.506 24.318 29.321 32.107 18.022 23.118 20.437 R3 [g/(百粒·d)][g/(100-grain·d)] 0.250 0.261 0.201 0.225 0.231 0.219 0.231 0.277 0.281 P (d) 46.548 38.168 54.005 44.510 53.667 58.766 32.985 42.313 37.406 χ2 2.258 0.592 1.630 1.828 4.369 5.361 0.399 0.907 1.090 χ20.05 15.507