叶面喷施5-氨基乙酰丙酸对不同密度春玉米生长特性和产量的影响
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唐会会,许艳丽,王庆燕,马正波,李光彦,董会,董志强
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Effects of Foliar Spraying 5-Aminolevulinic Acid on Spring Maize Growth and Yield under Different Planting Densities
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Huihui Tang,Yanli Xu,Qingyan Wang,Zhengbo Ma,Guangyan Li,Hui Dong,Zhiqiang Dong
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表1 2016-2017年ALA对不同密度春玉米产量及其构成因素的影响
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Table 1 Effects of ALA on maize yield components of three planting populations in 2016 and 2017
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年份
Year | 处理
Treatment | 穗长(cm)
Ear length | 秃尖长(cm)
Bare tip length | 穗粗(mm)
Ear diameter | 穗粒数
Kernel number per ear | 千粒重(g)
Thousand kernel weight | 产量(kg/hm2)
Yield | | 2016 | CK4.5 | 19.8±0.6 | 0.5±0.6 | 54.5±0.7 | 623.9±53.2 | 371.9±5.9 | 11 888.4±838.5 | | TR4.5 | 20.1±0.1 | 0.3±0.5 | 54.4±0.8 | 627.8±65.4 | 348.2±9.0 | 13 676.3±244.5** | | CK7.5 | 17.5±0.8 | 0.9±0.3 | 51.6±0.6 | 582.0±58.2 | 309.0±10.2 | 12 848.3±603.0 | | TR7.5 | 17.6±0.6 | 0.7±0.4 | 52.2±0.5 | 578.3±73.8 | 318.2±9.0 | 13 930.8±116.0 | | CK10.5 | 16.2±0.6 | 0.6±0.4 | 48.5±0.7 | 503.3±42.5 | 277.8±13.0 | 11 691.3±1 380.0 | | TR10.5 | 15.6±1.1 | 0.9±0.6 | 49.7±0.4* | 475.6±51.8 | 300.6±6.6** | 11 016.2±684.9 | | 2017 | CK4.5 | 22.0±0.8 | 0.5±0.7 | 51.6±3.2 | 689.9±75.8 | 303.0±20.9 | 12 395.5±554.4 | | TR4.5 | 21.8±0.9 | 0.5±0.6 | 52.1±1.4 | 702.4±49.8 | 330.0±6.9* | 12 923.7±594.0* | | CK7.5 | 19.9±0.8 | 0.9±0.6 | 48.9±1.6 | 638.6±74.9 | 266.3±8.1 | 12 589.3±710.1 | | TR7.5 | 18.7±1.5 | 1.2±0.7 | 48.5±1.7 | 555.3±80.6 | 277.9±16.9 | 12 762.5±648.9 | | CK10.5 | 18.2±0.8 | 1.6±0.8 | 46.4±2.3 | 539.8±61.4 | 250.2±13.2 | 11 618.7±461.6 | | TR10.5 | 18.0±1.0 | 1.6±0.5 | 45.9±1.6 | 530.4±69.4 | 248.7±27.6 | 11 523.6±1 113.2 |
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