机械化栽培条件下株距对油葵生长发育及产量的影响

李积铭,李爱国,贾英全,宋聪敏,刘桂华,徐桂真,李和平

Effects of Plant Spacing on Growth and Yield of Oil Sunflower under Mechanized Cultivation Conditions

Jiming Li,Aiguo Li,Yingquan Jia,Congmin Song,Guihua Liu,Guizhen Xu,Heping Li

表3 不同株距对单株干物质积累量的影响

Table 3 Effects of different plant spacing on dry matter accumulation per plant g/株 g/plant

品种Variety 处理Treatment 苗期Seedling stage 现蕾期Budding stage 开花期Flowering stage 灌浆期Grain filling stage 成熟期Mature stage 新葵20 T1 46.30d 125.47e 470.67d 561.60e 593.77e Xinkui 20 T2 49.07c 142.47d 497.33c 588.63c 611.87d T3 54.63b 174.17b 524.57b 607.40b 649.70b T4 58.87a 193.73a 546.43a 640.70a 699.57a T5 55.20b 176.87b 519.57b 611.27b 655.90b T6 53.47b 154.60c 515.10b 587.27c 634.83c SD567 T1 43.27f 119.87d 411.70e 524.40f 582.97e T2 46.60e 140.13c 425.60d 570.27e 619.23d T3 51.53d 157.40b 477.33b 593.80d 676.73b T4 65.53a 180.53a 511.40a 648.30a 739.97a T5 62.23b 161.77b 476.60b 612.67bc 681.00b T6 59.70c 157.43b 457.50c 599.70cd 652.43c