Journal of Agricultural Science and Technology ›› 2023, Vol. 25 ›› Issue (1): 142-152.DOI: 10.13304/j.nykjdb.2021.0630
• BIO-MANUFACTURING & RESOURCE AND ECOLOGY • Previous Articles
Weixin DONG1(), Dongxiao LI2, Yuechen ZHANG2(
)
Received:
2021-08-02
Accepted:
2021-11-22
Online:
2023-01-15
Published:
2023-04-17
Contact:
Yuechen ZHANG
通讯作者:
张月辰
作者简介:
董伟欣 E-mail:dongweixin.yuxin@163.com;
基金资助:
CLC Number:
Weixin DONG, Dongxiao LI, Yuechen ZHANG. Effects of Different Nitrogen Levels on Physiological Parameters, Yield and Quality of Maize[J]. Journal of Agricultural Science and Technology, 2023, 25(1): 142-152.
董伟欣, 李东晓, 张月辰. 不同氮素水平对夏玉米生理参数及产量品质的影响[J]. 中国农业科技导报, 2023, 25(1): 142-152.
指标 Index | 品种 Cultivar | 处理 Treatment | 吐丝期 Vomiting stage | 灌浆期 Filling stage | 成熟期 Maturing stage |
---|---|---|---|---|---|
株高 Plant height/cm | 先玉335 Xianyu 335 | N1 | 250.60±5.73 b | 286.20±23.40 b | 290.10±21.29 a |
N2 | 251.00±7.04 ab | 298.60±15.76 b | 299.60±7.09 a | ||
N3 | 258.00±10.32 ab | 302.40±8.41 ab | 303.60±12.20 a | ||
N4 | 266.60±8.47 a | 305.20±16.35 a | 311.50±5.32 a |
Table 1 Plant height, stem diameter, leaf area and shoot dry weight of maize under different treatments
指标 Index | 品种 Cultivar | 处理 Treatment | 吐丝期 Vomiting stage | 灌浆期 Filling stage | 成熟期 Maturing stage |
---|---|---|---|---|---|
株高 Plant height/cm | 先玉335 Xianyu 335 | N1 | 250.60±5.73 b | 286.20±23.40 b | 290.10±21.29 a |
N2 | 251.00±7.04 ab | 298.60±15.76 b | 299.60±7.09 a | ||
N3 | 258.00±10.32 ab | 302.40±8.41 ab | 303.60±12.20 a | ||
N4 | 266.60±8.47 a | 305.20±16.35 a | 311.50±5.32 a |
指标 Index | 品种 Cultivar | 处理 Treatment | 吐丝期 Vomiting stage | 灌浆期 Filling stage | 成熟期 Maturing stage |
---|---|---|---|---|---|
株高 Plant height/cm | 京农科728 Jingnongke 728 | N1 | 239.80±14.06 b | 254.70±13.94 a | 255.20±8.56 a |
N2 | 250.80±3.70 a | 257.54±10.28 a | 259.80±8.58 a | ||
N3 | 252.80±7.85 a | 260.00±8.00 a | 261.20±11.61 a | ||
N4 | 254.20±3.77 a | 265.80±21.53 a | 265.90±6.58 a | ||
茎粗 Stem diameter/cm | 先玉335 Xianyu 335 | N1 | 6.02±0.23 b | 6.02±0.54 c | 7.85±0.68 a |
N2 | 6.96±0.35 a | 7.09±0.25 ab | 8.09±0.55 a | ||
N3 | 7.15±0.40 a | 7.42±0.67 a | 8.14±0.70 a | ||
N4 | 6.82±0.46 a | 6.83±0.23 b | 8.03±0.15 a | ||
京农科728 Jingnongke 728 | N1 | 4.36±2.28 a | 5.88±2.78 b | 6.75±3.88 a | |
N2 | 4.47±2.20 a | 6.72±3.65 ab | 7.37±3.82 a | ||
N3 | 4.83±2.32 a | 7.28±4.50 a | 7.41±3.43 a | ||
N4 | 4.48±2.11 a | 7.13±2.25 a | 7.29±3.11 a | ||
叶面积 Leaf area/cm2 | 先玉335 Xianyu 335 | N1 | 521.33±23.04 a | 531.72±34.23 b | 612.62±47.73 a |
N2 | 537.33±25.38 a | 545.38±37.23 ab | 618.53±93.86 a | ||
N3 | 556.14±33.54 a | 570.54±40.45 a | 625.14±13.86 a | ||
N4 | 602.80±42.87 a | 616.03±64.76 a | 636.46±33.55 a | ||
京农科728 Jingnongke 728 | N1 | 515.40±28.37 a | 519.72±29.36 b | 532.42±52.77 b | |
N2 | 521.93±20.21 a | 547.77±43.41 ab | 569.40±30.49 a | ||
N3 | 527.05±39.49 a | 573.83±17.83 a | 582.23±50.41 a | ||
N4 | 539.63±51.22 a | 591.74±25.09 a | 615.38±58.37 a | ||
地上部干重 Dry weight above ground/g | 先玉335 Xianyu 335 | N1 | 140.00±17.32 a | 170.00±26.46 c | 366.67±57.74 b |
N2 | 153.33±15.28 a | 216.67±55.08 bc | 440.00±26.46 b | ||
N3 | 160.00±17.32 a | 263.33±15.28 ab | 450.00±88.88 b | ||
N4 | 183.33±35.12 a | 303.33±32.15 a | 590.00±55.68 a | ||
京农科728 Jingnongke 728 | N1 | 140.00±20.00 a | 213.33±20.82 a | 406.67±49.33 b | |
N2 | 150.00±10.00 a | 236.67±25.17 a | 423.33±81.45 b | ||
N3 | 153.33±5.77 a | 240.00±17.32 a | 446.67±41.63 b | ||
N4 | 163.33±15.28 a | 243.33±47.26 a | 470.00±30.00 a |
Table 1 Plant height, stem diameter, leaf area and shoot dry weight of maize under different treatments
指标 Index | 品种 Cultivar | 处理 Treatment | 吐丝期 Vomiting stage | 灌浆期 Filling stage | 成熟期 Maturing stage |
---|---|---|---|---|---|
株高 Plant height/cm | 京农科728 Jingnongke 728 | N1 | 239.80±14.06 b | 254.70±13.94 a | 255.20±8.56 a |
N2 | 250.80±3.70 a | 257.54±10.28 a | 259.80±8.58 a | ||
N3 | 252.80±7.85 a | 260.00±8.00 a | 261.20±11.61 a | ||
N4 | 254.20±3.77 a | 265.80±21.53 a | 265.90±6.58 a | ||
茎粗 Stem diameter/cm | 先玉335 Xianyu 335 | N1 | 6.02±0.23 b | 6.02±0.54 c | 7.85±0.68 a |
N2 | 6.96±0.35 a | 7.09±0.25 ab | 8.09±0.55 a | ||
N3 | 7.15±0.40 a | 7.42±0.67 a | 8.14±0.70 a | ||
N4 | 6.82±0.46 a | 6.83±0.23 b | 8.03±0.15 a | ||
京农科728 Jingnongke 728 | N1 | 4.36±2.28 a | 5.88±2.78 b | 6.75±3.88 a | |
N2 | 4.47±2.20 a | 6.72±3.65 ab | 7.37±3.82 a | ||
N3 | 4.83±2.32 a | 7.28±4.50 a | 7.41±3.43 a | ||
N4 | 4.48±2.11 a | 7.13±2.25 a | 7.29±3.11 a | ||
叶面积 Leaf area/cm2 | 先玉335 Xianyu 335 | N1 | 521.33±23.04 a | 531.72±34.23 b | 612.62±47.73 a |
N2 | 537.33±25.38 a | 545.38±37.23 ab | 618.53±93.86 a | ||
N3 | 556.14±33.54 a | 570.54±40.45 a | 625.14±13.86 a | ||
N4 | 602.80±42.87 a | 616.03±64.76 a | 636.46±33.55 a | ||
京农科728 Jingnongke 728 | N1 | 515.40±28.37 a | 519.72±29.36 b | 532.42±52.77 b | |
N2 | 521.93±20.21 a | 547.77±43.41 ab | 569.40±30.49 a | ||
N3 | 527.05±39.49 a | 573.83±17.83 a | 582.23±50.41 a | ||
N4 | 539.63±51.22 a | 591.74±25.09 a | 615.38±58.37 a | ||
地上部干重 Dry weight above ground/g | 先玉335 Xianyu 335 | N1 | 140.00±17.32 a | 170.00±26.46 c | 366.67±57.74 b |
N2 | 153.33±15.28 a | 216.67±55.08 bc | 440.00±26.46 b | ||
N3 | 160.00±17.32 a | 263.33±15.28 ab | 450.00±88.88 b | ||
N4 | 183.33±35.12 a | 303.33±32.15 a | 590.00±55.68 a | ||
京农科728 Jingnongke 728 | N1 | 140.00±20.00 a | 213.33±20.82 a | 406.67±49.33 b | |
N2 | 150.00±10.00 a | 236.67±25.17 a | 423.33±81.45 b | ||
N3 | 153.33±5.77 a | 240.00±17.32 a | 446.67±41.63 b | ||
N4 | 163.33±15.28 a | 243.33±47.26 a | 470.00±30.00 a |
Fig.1 Leaf area index and leaf angle of maize under different treatmentsNote:Different lowercase letters at the same time indicate the significant differences between treatments at P<0.05 level.
Fig. 2 Chlorophyll content of maize ear leaves under different treatmentsNote:Different lowercase letters at the same time indicate the significant differences between treatments at P<0.05 level.
Fig. 3 Soluble protein and soluble sugar content of maize under different treatmentsNote:Different lowercase letters at the same time indicate the significant differences between treatments at P<0.05 level.
指标 Index | 品种 Cultivar | 处理 Treatment | 吐丝期 Vomiting stage | 灌浆期 Filling stage | 成熟期 Maturing stage |
---|---|---|---|---|---|
SOD活性 SOD activity/(U·g-1 FW) | 先玉335 Xianyu 335 | N1 | 227.01±54.15 a | 231.23±32.15 b | 218.93±36.74 b |
N2 | 252.66±21.57 a | 340.09±33.80 a | 258.84±19.41 ab | ||
N3 | 267.39±26.49 a | 352.92±27.13 a | 285.92±19.14 a | ||
N4 | 297.80±92.92 a | 365.75±10.69 a | 293.53±40.88 a | ||
京农科728 Jingnongke 728 | N1 | 287.35±21.16 b | 399.49±17.41 b | 199.92±30.87 b | |
N2 | 361.95±37.29 a | 443.68±38.75 ab | 261.22±20.21 ab | ||
N3 | 374.78±26.91 a | 473.62±48.54 ab | 272.15±19.49 ab | ||
N4 | 375.73±19.77 a | 489.29±31.75 a | 294.48±26.91 a | ||
POD活性 POD activity/ (△470·g-1·min-1 FW) | 先玉335 Xianyu 335 | N1 | 97.92±2.57 a | 111.75±5.22 b | 118.17±5.55 b |
N2 | 98.33±8.75 a | 113.75±0.66 b | 127.75±5.20 a | ||
N3 | 104.00±4.18 a | 117.42±1.01 ab | 129.50±6.97 a | ||
N4 | 104.00±5.41 a | 121.42±3.76 a | 130.00±4.36 a | ||
京农科728 Jingnongke 728 | N1 | 105.21±3.88 a | 106.58±2.63c | 115.58±7.97 a | |
N2 | 107.45±4.33 a | 108.42±1.81 bc | 116.75±1.29 a | ||
N3 | 110.58±4.51 a | 112.08±1.66 ab | 117.83±5.79 a | ||
N4 | 111.67±3.76 a | 114.42±3.83 a | 119.67±9.17 a | ||
MDA含量 MDA Content/ (µmol·g-1 FW) | 先玉335 Xianyu 335 | N1 | 18.09±1.46 a | 19.27±4.28 a | 23.91±2.29 a |
N2 | 16.86±2.45 a | 17.21±2.35 a | 23.55±2.41 a | ||
N3 | 14.89±1.05 a | 16.51±1.39 a | 22.65±3.46 a | ||
N4 | 13.98±1.83 a | 16.02±4.08 a | 22.57±3.97 a | ||
京农科728 Jingnongke 728 | N1 | 16.14±2.50 a | 20.55±2.61 a | 21.42±1.56 a | |
N2 | 15.62±2.01 a | 19.72±5.68 a | 20.65±3.31 a | ||
N3 | 15.50±0.42 a | 17.44±1.03 a | 19.24±1.43 a | ||
N4 | 10.82±3.31 b | 17.05±1.68 a | 19.08±1.38 a |
Table 2 SOD, POD activity and MDA content of maize under different treatments
指标 Index | 品种 Cultivar | 处理 Treatment | 吐丝期 Vomiting stage | 灌浆期 Filling stage | 成熟期 Maturing stage |
---|---|---|---|---|---|
SOD活性 SOD activity/(U·g-1 FW) | 先玉335 Xianyu 335 | N1 | 227.01±54.15 a | 231.23±32.15 b | 218.93±36.74 b |
N2 | 252.66±21.57 a | 340.09±33.80 a | 258.84±19.41 ab | ||
N3 | 267.39±26.49 a | 352.92±27.13 a | 285.92±19.14 a | ||
N4 | 297.80±92.92 a | 365.75±10.69 a | 293.53±40.88 a | ||
京农科728 Jingnongke 728 | N1 | 287.35±21.16 b | 399.49±17.41 b | 199.92±30.87 b | |
N2 | 361.95±37.29 a | 443.68±38.75 ab | 261.22±20.21 ab | ||
N3 | 374.78±26.91 a | 473.62±48.54 ab | 272.15±19.49 ab | ||
N4 | 375.73±19.77 a | 489.29±31.75 a | 294.48±26.91 a | ||
POD活性 POD activity/ (△470·g-1·min-1 FW) | 先玉335 Xianyu 335 | N1 | 97.92±2.57 a | 111.75±5.22 b | 118.17±5.55 b |
N2 | 98.33±8.75 a | 113.75±0.66 b | 127.75±5.20 a | ||
N3 | 104.00±4.18 a | 117.42±1.01 ab | 129.50±6.97 a | ||
N4 | 104.00±5.41 a | 121.42±3.76 a | 130.00±4.36 a | ||
京农科728 Jingnongke 728 | N1 | 105.21±3.88 a | 106.58±2.63c | 115.58±7.97 a | |
N2 | 107.45±4.33 a | 108.42±1.81 bc | 116.75±1.29 a | ||
N3 | 110.58±4.51 a | 112.08±1.66 ab | 117.83±5.79 a | ||
N4 | 111.67±3.76 a | 114.42±3.83 a | 119.67±9.17 a | ||
MDA含量 MDA Content/ (µmol·g-1 FW) | 先玉335 Xianyu 335 | N1 | 18.09±1.46 a | 19.27±4.28 a | 23.91±2.29 a |
N2 | 16.86±2.45 a | 17.21±2.35 a | 23.55±2.41 a | ||
N3 | 14.89±1.05 a | 16.51±1.39 a | 22.65±3.46 a | ||
N4 | 13.98±1.83 a | 16.02±4.08 a | 22.57±3.97 a | ||
京农科728 Jingnongke 728 | N1 | 16.14±2.50 a | 20.55±2.61 a | 21.42±1.56 a | |
N2 | 15.62±2.01 a | 19.72±5.68 a | 20.65±3.31 a | ||
N3 | 15.50±0.42 a | 17.44±1.03 a | 19.24±1.43 a | ||
N4 | 10.82±3.31 b | 17.05±1.68 a | 19.08±1.38 a |
品种 Cultivar | 处理 Treatment | 穗数 Ears number/ (104·hm-2) | 穗粒数 Grains number per spike | 单穗重 Single panicle weight/g | 穗粒重 Panicle grain weight/g | 产量 Yield/(kg·hm-2) |
---|---|---|---|---|---|---|
先玉335 Xianyu 335 | N1 | 11.22±0.10 b | 567.80±78.38 b | 184.58±23.66 b | 156.88±22.64 c | 8 411.36±358.56 b |
N2 | 12.06±0.51 a | 632.40±53.19 a | 217.16±20.29 a | 185.18±16.22 a | 10 243.08±339.19 a | |
N3 | 11.28±0.35 b | 600.20±36.65 ab | 208.39±15.91 a | 177.83±13.47 ab | 9 978.33±298.99 ab | |
N4 | 10.72±0.42 b | 601.40±47.37 ab | 199.30±16.07 ab | 169.79±13.51 bc | 8 698.27±376.53 b | |
京农科728 Jingnongke 728 | N1 | 13.44±0.48 a | 479.50±51.85 a | 198.68±21.75 a | 168.80±18.23 a | 10 842.92±367.98 a |
N2 | 13.56±0.63 a | 489.36±43.51 a | 199.78±31.07 a | 170.77±27.27 a | 11 060.38±288.78 a | |
N3 | 13.89±0.39 a | 461.10±39.05 a | 190.07±23.01 a | 163.12±19.58 a | 10 824.18±358.92 a | |
N4 | 13.56±0.48 a | 488.60±61.73 a | 192.35±27.74 a | 163.86±22.86 a | 10 612.52±318.47 b |
Table 3 Yield components and yield of maize under different treatments
品种 Cultivar | 处理 Treatment | 穗数 Ears number/ (104·hm-2) | 穗粒数 Grains number per spike | 单穗重 Single panicle weight/g | 穗粒重 Panicle grain weight/g | 产量 Yield/(kg·hm-2) |
---|---|---|---|---|---|---|
先玉335 Xianyu 335 | N1 | 11.22±0.10 b | 567.80±78.38 b | 184.58±23.66 b | 156.88±22.64 c | 8 411.36±358.56 b |
N2 | 12.06±0.51 a | 632.40±53.19 a | 217.16±20.29 a | 185.18±16.22 a | 10 243.08±339.19 a | |
N3 | 11.28±0.35 b | 600.20±36.65 ab | 208.39±15.91 a | 177.83±13.47 ab | 9 978.33±298.99 ab | |
N4 | 10.72±0.42 b | 601.40±47.37 ab | 199.30±16.07 ab | 169.79±13.51 bc | 8 698.27±376.53 b | |
京农科728 Jingnongke 728 | N1 | 13.44±0.48 a | 479.50±51.85 a | 198.68±21.75 a | 168.80±18.23 a | 10 842.92±367.98 a |
N2 | 13.56±0.63 a | 489.36±43.51 a | 199.78±31.07 a | 170.77±27.27 a | 11 060.38±288.78 a | |
N3 | 13.89±0.39 a | 461.10±39.05 a | 190.07±23.01 a | 163.12±19.58 a | 10 824.18±358.92 a | |
N4 | 13.56±0.48 a | 488.60±61.73 a | 192.35±27.74 a | 163.86±22.86 a | 10 612.52±318.47 b |
品种 Cultivar | 处理 Treatment | 蛋白质含量 Protein content/ (mg·g-1FW) | 淀粉含量 Starch content/% | 脂肪含量 Crude fat content/% | 氨基酸含量 Lysine content/% |
---|---|---|---|---|---|
先玉335 Xianyu 335 | N1 | 49.20±0.43 d | 30.96±0.09 c | 3.73±0.04 b | 13.59±0.12 b |
N2 | 60.73±0.39 c | 32.88±0.14 b | 4.31±0.05 a | 16.59±1.01 a | |
N3 | 62.51±0.29 a | 33.56±0.19 a | 3.95±0.04 b | 13.86±0.07 b | |
N4 | 61.68±0.45 b | 32.74±0.25 b | 3.92±0.06 b | 12.89±0.21 b | |
京农科728 Jingnongke 728 | N1 | 50.55±0.16 c | 31.55±0.11 b | 4.08±0.04 b | 12.75±0.23 b |
N2 | 57.18±0.49 b | 32.39±0.11 b | 5.08±0.09 a | 15.57±0.03 a | |
N3 | 62.41±0.28 a | 34.62±1.21 a | 4.32±0.03 b | 12.34±0.22 b | |
N4 | 56.31±1.79 b | 31.53±0.89 b | 4.03±0.32 b | 11.57±1.14 b |
Table 4 Grain quality of maize under different treatments
品种 Cultivar | 处理 Treatment | 蛋白质含量 Protein content/ (mg·g-1FW) | 淀粉含量 Starch content/% | 脂肪含量 Crude fat content/% | 氨基酸含量 Lysine content/% |
---|---|---|---|---|---|
先玉335 Xianyu 335 | N1 | 49.20±0.43 d | 30.96±0.09 c | 3.73±0.04 b | 13.59±0.12 b |
N2 | 60.73±0.39 c | 32.88±0.14 b | 4.31±0.05 a | 16.59±1.01 a | |
N3 | 62.51±0.29 a | 33.56±0.19 a | 3.95±0.04 b | 13.86±0.07 b | |
N4 | 61.68±0.45 b | 32.74±0.25 b | 3.92±0.06 b | 12.89±0.21 b | |
京农科728 Jingnongke 728 | N1 | 50.55±0.16 c | 31.55±0.11 b | 4.08±0.04 b | 12.75±0.23 b |
N2 | 57.18±0.49 b | 32.39±0.11 b | 5.08±0.09 a | 15.57±0.03 a | |
N3 | 62.41±0.28 a | 34.62±1.21 a | 4.32±0.03 b | 12.34±0.22 b | |
N4 | 56.31±1.79 b | 31.53±0.89 b | 4.03±0.32 b | 11.57±1.14 b |
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