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氮磷钾肥配施对薏苡不同部位籽粒灌浆结实特性的影响

刘敏 曾涛 魏盛 付敬锋 程乙 刘代铃 宋碧

刘敏, 曾涛, 魏盛, 付敬锋, 程乙, 刘代铃, 宋碧. 氮磷钾肥配施对薏苡不同部位籽粒灌浆结实特性的影响[J]. 中国生态农业学报 (中英文), 2023, 31(0): 1−15 doi: 10.12357/cjea.20230334
引用本文: 刘敏, 曾涛, 魏盛, 付敬锋, 程乙, 刘代铃, 宋碧. 氮磷钾肥配施对薏苡不同部位籽粒灌浆结实特性的影响[J]. 中国生态农业学报 (中英文), 2023, 31(0): 1−15 doi: 10.12357/cjea.20230334
LIU M, ZENG T, WEI S, FU J F, CHENG Y, LIU D L, SONG B. Effects of nitrogen, phosphorus and potassium fertilizers on the characteristics of grain filling and fruiting in different parts of Coix lacryma-jobi L doi: 10.12357/cjea.20230334
Citation: LIU M, ZENG T, WEI S, FU J F, CHENG Y, LIU D L, SONG B. Effects of nitrogen, phosphorus and potassium fertilizers on the characteristics of grain filling and fruiting in different parts of Coix lacryma-jobi L doi: 10.12357/cjea.20230334

氮磷钾肥配施对薏苡不同部位籽粒灌浆结实特性的影响

doi: 10.12357/cjea.20230334
详细信息
    作者简介:

    刘敏,研究方向为作物高产理论与技术。E-mail: 947119587@qq.com

    通讯作者:

    宋碧, 主要研究方向为作物高产理论与技术。E-mail: sb6264@126.com

  • 中图分类号: S519; S143.5

Effects of nitrogen, phosphorus and potassium fertilizers on the characteristics of grain filling and fruiting in different parts of Coix lacryma-jobi L.

Funds: The study was supported by the National Natural Science Foundation of China (32160516), Guizhou Science and Technology Program (Qiankehe Support [2021] General 270), the Science and Technology Innovation Talent Team for Research on Cultivation and Physiology and Ecology of Special Cereal and Oil Crops in Guizhou Province (Qiankehe Platform Talent Project [2019] 5613), Guizhou Key Laboratory of Molecular Breeding of Cereal and Oil Crops Project (Qianke Hezhong Cited Land [2023] 008) and the Key Laboratory Project of Functional Agriculture in Guizhou Higher Education Institutions (Guizhou Education and Technology [2023] 007).
More Information
  • 摘要: 探明氮、磷、钾肥不同配比对薏苡不同部位籽粒灌浆结实特性的影响, 为薏苡高效施肥技术模式提供理论和技术支持。以‘贵薏1号’为材料, 采用“3414”设计, 应用Richards方程对不同氮磷钾肥配施对薏苡5个部位籽粒的灌浆过程的影响进行了研究。结果表明:1)施用氮磷钾肥可改善薏苡上、中、下1、下2和下3部位籽粒灌浆速率达到最大时需要的天数、灌浆速率达到最大值的粒重、平均灌浆速率、最大灌浆速率, 延长籽粒活跃灌浆期, 进而提高薏苡结实特性。2)氮磷钾肥配施显著提高薏苡中部和下1部粒重, 在单因素肥效间表现为N>K>P, 在双因素肥效互作间表现为PK>NP>NK, 但过量施用氮磷钾肥会使粒重有所下降, 结实特性显著降低。3)相关性分析表明, 上、中、下1、下2和下3部位籽粒的千粒重与籽粒结实率、充实度、平均灌浆速率和最大灌浆速率呈正相关。4)拟合肥料与薏苡千粒重效应函数方程, 得出薏苡N、P2O5、K2O的最优推荐施肥范围分别为135.51~270.99 kg∙hm−2、75.00~150.50 kg∙hm−2、56.25~112.51 kg∙hm−2。氮磷钾肥配显著影响薏苡不同部位籽粒灌浆结实特性, 适当比例的氮磷钾肥配合施用既可以显著促进籽粒灌浆、缩小部位间差异, 又可以提高结实率和粒重。在薏苡生产中, 氮肥对薏苡籽粒灌浆结实特性影响最大, 钾肥次之, 磷肥影响最小。
  • 图  1  薏苡不同部位籽粒划分

    Figure  1.  Seed division in different parts of Coix lacryma-jobi L.

    图  2  不同部位籽粒结实特性、灌浆参数

    红色代表正相关, 蓝色代表负相关。R²: 决定系数; R0: 灌浆起始势; Tmax: 灌浆速率达到最大时需要的天数; Wmax: 灌浆速率达到最大值的粒重; Va: 平均灌浆速率; Vmax: 籽粒最大灌浆速率; D: 籽粒活跃灌浆期。Red represents positive correlation, blue represents negative correlation. R²: ecision factor; R0: grouting starting potential; Tmax: number of days required to reach maximum grouting rate; Wmax: grain weight at maximum grouting rate; Va: average grouting rate; Vmax: maximum seed filling rate; D: active seed filling period.

    Figure  2.  Seed set characteristics, filling parameters in different parts

    图  3  氮、磷、钾交互作用分析

    Figure  3.  Analysis of the interaction of nitrogen, phosphorus and potassium

    表  1  试验地耕层(0~25 cm)土壤基础肥力

    Table  1.   Basal soil fertility in the tillage layer (0−25 cm) of the test sites

    地点
    Place
    pH有机质
    Organic matter
    (g·kg−1)
    全氮
    Total N (g·kg−1)
    全磷
    Total P
    (g·kg−1)
    全钾
    Total K
    (g·kg−1)
    碱解氮
    Alkali-hydrolysis N
    (mg·kg−1)
    速效磷
    Available P
    (mg·kg−1)
    速效钾
    Available K
    (mg·kg−1)
    下山镇
    Xiashan Town
    5.133.93.01.314.1152.910.4240.0
    屯脚镇
    Tunjiao Town
    6.435.92.81.413.9158.814.8335.0
    下载: 导出CSV

    表  2  “3414”试验方案和施肥量

    Table  2.   “3414” trial program and fertilisers application rates

    kg·hm−2 
    处理
    Treatment
    因素组合
    Factor combination
    NP2O5K2O
    1N0P0K0000
    2N0P2K20150225.00
    3N1P2K2135150225.00
    4N2P0K22700225.00
    5N2P1K227075225.00
    6N2P2K2270150225.00
    7N2P3K2270225225.00
    8N2P2K02701500
    9N2P2K1270150112.50
    10N2P2K3270150337.50
    11N3P2K2405150225.00
    12N1P1K213575225.00
    13N1P2K1135150112.50
    14N2P1K127075112.50
    下载: 导出CSV

    表  3  氮磷钾肥配施处理下薏苡不同部位籽粒结实特性

    Table  3.   Seed-setting characteristics of different parts of Coix lacryma-jobi L. seeds under NPK fertilization treatments

    处理
    Treatment
    结实率
    Seed setting rate (%)
    充实度
    Grain plumpness (%)

    Top

    Middle
    下1
    Basal 1
    下2
    Basal 2
    下3
    Basal 3

    Top

    Middle
    下1
    Basal 1
    下2
    Basal 2
    下3
    Basal 3
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    1 62.18±
    5.35 c
    65.93±
    6.14 c
    67.62±
    6.85 c
    71.42±
    8.22 c
    72.75±
    4.48 c
    72.80±
    3.81 c
    61.53±
    5.91 c
    63.47±
    7.52 c
    51.73±
    4.47 c
    60.21±
    8.73 c
    48.07±
    3.20 c
    56.75±
    3.13 c
    51.01±
    5.99 c
    59.57±
    24.46 c
    57.42±
    37.62 c
    61.91±
    34.26 c
    47.23±
    4.81 c
    55.55±
    3.86 c
    45.84±
    3.45 c
    53.11±
    2.48 c
    2 76.74±
    6.94 b
    77.89±
    9.52 b
    77.37±
    6.01 b
    78.43±
    4.66 b
    76.23±
    3.95 b
    79.15±
    3.54 b
    74.78±
    5.22 b
    78.37±
    5.19 ab
    73.25±
    6.74 b
    74.76±
    3.71 b
    55.08±
    5.90 bc
    66.31±
    3.41 b
    55.66±
    1.94 c
    66.88±
    2.81 b
    59.59±
    1.56 c
    67.83±
    2.78 bc
    54.72±
    5.67 bc
    63.08±
    5.87 bc
    53.32±
    3.14 b
    65.53±
    1.33 b
    3 73.50±
    4.58 b
    78.18±
    3.30 b
    74.23±
    2.87 b
    78.88±
    2.92 b
    79.92±
    7.61 b
    79.63±
    8.07 b
    71.16±
    6.83 b
    76.49±
    3.76 b
    70.27±
    2.08 b
    72.26±
    6.18 b
    62.01±
    6.62 b
    68.54±
    1.35 b
    68.26±
    7.89 ab
    68.94±
    6.05 b
    68.59±
    1.69 b
    69.43±
    2.93 bc
    61.62±
    7.20 b
    61.03±
    5.53 bc
    59.47±
    3.12 b
    60.97±
    1.65 b
    4 79.74±
    9.86 a
    82.09±
    9.78 b
    80.67±
    6.45 ab
    84.45±
    5.26 ab
    81.38±
    3.15 ab
    82.07±
    4.18 b
    73.92±
    4.81 b
    75.74±
    7.92 b
    71.12±
    6.87 b
    73.02±
    6.07 b
    68.49±
    5.29 ab
    71.21±
    4.91 b
    69.90±
    9.88 ab
    72.37±
    1.14 b
    68.82±
    1.43 b
    76.15±
    2.95 b
    67.88±
    7.95 ab
    68.60±
    3.84 b
    66.08±
    9.32 ab
    67.82±
    2.61 b
    5 80.33±
    9.39 a
    83.12±
    3.39 b
    81.13±
    7.74 a
    86.30±
    4.28 a
    82.03±
    5.18 ab
    87.32±
    3.80 ab
    76.05±
    5.99 b
    77.03±
    5.37 b
    71.52±
    2.57 b
    75.96±
    2.59 b
    62.85±
    7.46 b
    65.67±
    5.90 b
    65.62±
    2.08 b
    66.04±
    6.82 b
    71.61±
    9.00 b
    70.35±
    7.94 bc
    62.30±
    2.00 b
    64.86±
    5.67 b
    60.45±
    1.84 b
    62.09±
    5.15 b
    6 80.49±
    3.00 a
    82.19±
    3.66 b
    81.05±
    3.99 a
    88.27±
    5.37 a
    84.07±
    6.49 a
    89.71±
    6.53 a
    80.20±
    6.47 a
    80.08±
    3.17 a
    78.78±
    2.00 a
    79.69±
    6.09 a
    69.70±
    3.53 a
    82.75±
    5.10 a
    71.66±
    6.88 a
    84.76±
    1.77 a
    73.70±
    5.62 ab
    85.42±
    6.79 a
    68.82±
    3.75 ab
    80.77±
    4.24 a
    68.66±
    3.81 a
    79.93±
    1.04 a
    7 71.02±
    7.78 b
    81.18±
    6.77 b
    73.70±
    9.21 b
    86.05±
    6.96 a
    81.74±
    4.11 ab
    86.61±
    5.69 ab
    70.17±
    6.08 b
    78.75±
    8.43 ab
    66.81±
    7.27 b
    78.33±
    2.67 a
    64.97±
    9.34 b
    69.75±
    3.76 b
    61.93±
    5.93 b
    76.94±
    6.69 b
    70.37±
    6.18 b
    78.03±
    5.54 b
    63.47±
    3.17 b
    77.35±
    8.05 b
    56.23±
    1.66 b
    80.99±
    2.08 a
    8 76.75±
    2.35 ab
    78.53±
    8.81 b
    79.81±
    8.03 b
    79.97±
    6.53 b
    81.12±
    5.69 ab
    81.58±
    7.80 b
    68.98±
    8.63 b
    70.11±
    8.88 b
    63.99±
    8.15 b
    65.37±
    8.01 bc
    60.51±
    5.81 b
    70.05±
    4.44 b
    62.02±
    7.53 b
    71.11±
    2.68 b
    64.73±
    1.58 bc
    74.08±
    9.97 b
    59.51±
    3.75 b
    68.21±
    4.90 b
    56.17±
    1.00 b
    67.89±
    7.98 b
    9 81.55±
    8.38 a
    88.32±
    3.78 a
    82.51±
    8.87 a
    89.21±
    3.32 a
    85.12±
    4.61 a
    91.39±
    2.31 a
    80.59±
    0.50 a
    82.41±
    3.05 a
    79.89±
    6.28 a
    80.00±
    8.85 a
    73.47±
    1.27 a
    83.84±
    2.34 a
    74.75±
    3.83 a
    85.90±
    5.51 a
    76.26±
    7.16 a
    86.02±
    4.37 a
    72.98±
    1.14 a
    82.94±
    4.38 a
    70.24±
    1.09 a
    82.91±
    5.59 a
    10 70.35±
    6.67 b
    84.07±
    4.39 b
    74.47±
    8.18 b
    86.27±
    5.59 a
    79.67±
    7.12 b
    87.11±
    3.51 ab
    69.48±
    6.68 b
    79.41±
    6.56 ab
    63.58±
    5.30 b
    70.62±
    9.56 b
    65.03±
    6.11 b
    65.50±
    6.71 b
    64.23±
    5.42 b
    68.99±
    7.75 b
    64.81±
    9.64 bc
    78.62±
    5.97 b
    59.38±
    8.99 b
    62.00±
    7.74 bc
    50.47±
    9.53 bc
    64.58±
    5.63 b
    11 73.41±
    9.44 b
    78.90±
    6.26 b
    77.50±
    8.68 b
    79.20±
    5.50 b
    78.57±
    7.81 b
    79.83±
    4.44 b
    70.22±
    8.12 b
    73.21±
    4.84 b
    59.12±
    2.97 bc
    69.21±
    4.66 b
    64.81±
    1.47 b
    65.03±
    7.68 b
    65.96±
    4.31 b
    66.57±
    8.80 b
    66.22±
    2.36 b
    68.15±
    2.37 bc
    54.85±
    3.54 bc
    65.01±
    5.78 b
    42.77±
    2.72 c
    60.76±
    5.81 b
    12 75.53±
    4.42 b
    84.02±
    9.19 b
    80.17±
    5.98 ab
    84.46±
    4.34 ab
    80.74±
    6.14 ab
    86.02±
    7.83 ab
    74.15±
    3.64 b
    78.63±
    6.43 ab
    62.71±
    6.84 b
    68.82±
    6.40 b
    62.17±
    2.34 b
    63.72±
    1.14 b
    66.24±
    5.13 b
    70.13±
    3.14 b
    67.96±
    9.60 b
    77.47±
    2.10 b
    58.39±
    9.70 b
    62.97±
    5.44 bc
    45.38±
    3.66 c
    58.92±
    3.72 b
    13 75.00±
    3.96 b
    79.10±
    5.23 b
    77.69±
    8.59 b
    86.64±
    8.88 a
    81.70±
    7.64 ab
    87.17±
    3.08 ab
    74.74±
    5.92 b
    71.26±
    5.38 b
    71.60±
    4.36 b
    68.10±
    2.12 b
    65.53±
    3.93 b
    67.23±
    1.13 b
    71.23±
    4.18 a
    71.57±
    3.51 b
    71.82±
    2.68 b
    80.03±
    4.43 ab
    62.42±
    5.26 b
    62.28±
    7.68 bc
    58.83±
    2.68 b
    61.32±
    6.61 b
    14 73.58±
    5.43 b
    78.09±
    6.42 b
    80.67±
    2.45 ab
    84.89±
    4.15 ab
    80.96±
    7.07 ab
    89.51±
    5.42 a
    72.70±
    7.17 b
    78.00±
    4.02 ab
    62.67±
    8.69 b
    70.87±
    5.41 b
    64.42±
    8.83 b
    68.25±
    6.49 b
    65.88±
    6.36 b
    70.37±
    5.88 b
    72.87±
    6.67 b
    83.14±
    7.98 a
    60.71±
    9.30 b
    63.96±
    9.86 b
    49.81±
    1.18 c
    57.39±
    5.87 b
      同列不同小写字母表示处理间在P<5%水平差异显著。Different lowercase letters in the same column indicate significant differences among treatments at P<5% level.
    下载: 导出CSV
    续表3
    处理
    Treatment
    千粒重
    1000-grain weight (g)
    总粒重
    Total grain weight (g)

    Top

    Middle
    下1
    Basal 1
    下2
    Basal 2
    下3
    Basal 3

    Top

    Middle
    下1
    Basal 1
    下2
    Basal 2
    下3
    Basal 3
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    屯脚
    Tunjiao Town
    下山
    Xiashan Town
    1 61.14±
    6.14 c
    65.72±
    2.53 c
    62.32±
    4.30 c
    66.76±
    4.24 c
    63.18±
    9.70 c
    67.54±
    5.16 c
    60.13±
    2.81 c
    63.13±
    2.12 c
    57.60±
    3.27 c
    62.03±
    5.31 c
    3.16±
    1.30 c
    3.64±
    1.23 c
    3.24±
    0.48 c
    3.65±
    1.27 c
    4.74±
    3.40 d
    5.26±
    2.53 c
    2.09±
    2.05 c
    2.23±
    1.41 c
    0.66±
    1.02 c
    0.84±
    0.61 c
    2 65.87±
    5.01 bc
    67.15±
    4.97 c
    66.84±
    5.21 b
    76.46±
    2.85 b
    67.38±
    4.06 b
    80.23±
    2.00 ab
    65.09±
    9.50 b
    66.81±
    6.65 c
    61.11±
    2.01 b
    66.44±
    5.88 c
    4.18±
    2.19 b
    4.27±
    0.93 bc
    4.54±
    1.86 b
    4.70±
    1.04 b
    7.53±
    1.68 b
    7.60±
    2.99 b
    2.39±
    1.92 b
    2.39±
    0.88 c
    1.05±
    0.87 bc
    1.05±
    0.47 c
    3 68.27±
    1.18 b
    72.82±
    3.07 b
    66.99±
    1.98 b
    73.49±
    5.20 b
    69.09±
    4.12 b
    77.28±
    8.50 b
    65.8±
    7.36 b
    71.76±
    2.04 b
    61.46±
    9.65 b
    70.62±
    5.02 b
    4.23±
    1.57 b
    4.57±
    0.51 b
    5.11±
    1.27 ab
    5.23±
    1.26 b
    6.00±
    4.05 c
    6.56±
    1.05 b
    3.39±
    2.61 b
    3.59±
    0.50 b
    1.31±
    1.12 b
    1.47±
    0.42 bc
    4 71.21±
    2.48 b
    72.97±
    4.00 b
    72.50±
    4.80 ab
    73.36±
    7.76 b
    74.35±
    7.01 ab
    74.18±
    7.20 b
    71.06±
    8.70 ab
    72.47±
    8.00 b
    70.75±
    6.16 a
    72.07±
    3.34 b
    4.33±
    1.76 b
    4.58±
    2.11 b
    5.48±
    0.79 ab
    5.70±
    2.39 ab
    8.24±
    1.47 b
    8.42±
    3.08 ab
    3.46±
    0.89 b
    3.81±
    1.86 b
    1.20±
    0.87 bc
    2.04±
    1.00 ab
    5 71.74±
    7.13 b
    80.92±
    6.47 a
    72.10±
    0.45 ab
    80.96±
    2.97 ab
    73.89±
    2.93 ab
    82.38±
    5.60 ab
    70.81±
    7.44 ab
    74.87±
    8.65 b
    70.29±
    4.23 a
    73.22±
    5.96 b
    4.33±
    2.28 b
    4.46±
    1.33 b
    5.51±
    1.50 ab
    5.60±
    1.43 ab
    6.43±
    1.86 b
    6.89±
    1.38 b
    2.45±
    0.96 b
    3.66±
    2.41 b
    1.04±
    1.08 bc
    1.68±
    1.00 b
    6 75.33±
    8.28 a
    82.52±
    4.60 a
    77.11±
    5.49 a
    84.25±
    5.04 a
    79.04±
    2.85 a
    84.38±
    2.71 ab
    74.25±
    4.31 a
    81.03±
    8.66 a
    72.09±
    8.38 a
    80.31±
    9.41 a
    5.39±
    1.02 a
    5.59±
    1.98 ab
    5.76±
    1.65 ab
    5.69±
    1.62 ab
    9.59±
    3.59 a
    9.43±
    3.18 a
    3.47±
    0.75 b
    4.25±
    0.3 ab
    1.77±
    0.88 b
    2.14±
    0.70 ab
    7 64.43±
    3.79 bc
    73.14±
    4.81 b
    65.50±
    1.42 c
    73.46±
    5.29 b
    68.58±
    6.64 b
    74.85±
    7.95 b
    61.66±
    5.88 bc
    72.45±
    3.54 b
    58.76±
    2.59 c
    71.55±
    6.35 b
    5.06±
    1.38 ab
    5.46±
    1.86 ab
    4.77±
    0.42 b
    5.06±
    1.25 b
    8.72±
    2.17 ab
    8.94±
    1.89 ab
    2.15±
    1.13 c
    3.54±
    0.74 b
    1.27±
    0.82 b
    1.51±
    0.40 b
    8 68.24±
    2.53 b
    72.83±
    3.51 b
    69.65±
    5.34 b
    73.63±
    7.29 b
    69.96±
    3.36 b
    74.15±
    9.52 b
    66.24±
    6.51 b
    71.61±
    4.58 b
    61.92±
    3.15 b
    70.94±
    9.07 b
    4.29±
    2.35 b
    4.48±
    3.07 b
    4.93±
    1.45 b
    4.95±
    1.80 b
    8.14±
    0.64 b
    8.36±
    1.78 ab
    2.70±
    1.81 bc
    2.80±
    1.59 bc
    1.12±
    0.82 bc
    1.33±
    0.95 bc
    9 76.50±
    6.71 a
    82.65±
    6.96 a
    77.58±
    3.44 a
    85.55±
    4.75 a
    78.05±
    7.88 a
    87.08±
    6.86 a
    75.76±
    9.26 a
    82.53±
    9.80 a
    74.79±
    7.99 a
    81.74±
    2.18 a
    5.95±
    1.53 a
    6.19±
    1.01 a
    6.27±
    2.27 a
    6.47±
    1.10 a
    10.13±
    3.30 a
    10.39±
    4.40 a
    3.96±
    1.82 a
    4.55±
    1.35 a
    2.37±
    1.24 a
    2.69±
    1.46 a
    10 75.05±
    3.60 a
    76.29±
    5.03 b
    75.83±
    9.13 a
    77.29±
    8.31 b
    76.75±
    4.9 a
    78.25±
    5.35 b
    70.19±
    3.76 ab
    75.42±
    6.43 b
    68.35±
    6.27 b
    72.54±
    5.30 b
    4.17±
    0.6 b
    4.46±
    0.78 b
    4.74±
    1.38 b
    4.77±
    1.25 b
    7.83±
    1.34 b
    8.30±
    2.73 ab
    3.37±
    2.11 b
    4.08±
    2.91 ab
    1.45±
    0.53 b
    2.02±
    0.75 ab
    11 76.14±
    6.75 a
    76.97±
    7.94 b
    77.25±
    6.94 a
    78.29±
    5.27 b
    78.46±
    7.56 a
    79.42±
    9.81 b
    73.73±
    9.74 a
    76.09±
    5.99 ab
    71.06±
    7.34 a
    74.97±
    4.55 b
    4.43±
    1.14 b
    4.45±
    1.66 b
    4.65±
    1.03 b
    4.71±
    2.04 b
    7.52±
    2.40 b
    7.58±
    3.76 b
    3.29±
    0.46 b
    3.17±
    1.01 b
    1.00±
    0.36 c
    1.15±
    0.41 bc
    12 67.66±
    3.14 b
    73.03±
    4.03 b
    68.25±
    1.56 b
    73.58±
    5.56 b
    73.97±
    5.03 ab
    75.13±
    5.00 b
    67.38±
    6.36 b
    72.36±
    5.07 b
    67.14±
    8.20 b
    71.10±
    6.85 b
    3.85±
    1.94 bc
    3.98±
    1.38 bc
    4.32±
    1.16 b
    4.37±
    1.37 b
    6.55±
    2.20 bc
    6.63±
    2.92 b
    2.13±
    1.23 c
    2.92±
    1.07 b
    1.17±
    0.88 bc
    1.18±
    0.66 bc
    13 68.47±
    8.72 b
    77.57±
    6.21 b
    70.58±
    3.46 b
    77.66±
    9.04 b
    76.49±
    5.06 a
    78.11±
    3.28 b
    65.50±
    8.96 b
    76.59±
    5.58 ab
    64.96±
    9.13 b
    66.54±
    7.20 c
    4.07±
    2.3 bc
    4.09±
    1.53 bc
    4.96±
    0.65 b
    5.17±
    1.72 b
    7.22±
    0.96 b
    8.37±
    1.57 b
    2.94±
    0.63 bc
    3.76±
    1.73 b
    1.30±
    0.66 b
    1.21±
    0.37 bc
    14 72.08±
    8.46 b
    74.98±
    4.32 b
    73.36±
    5.67 ab
    75.93±
    4.85 b
    75.37±
    5.32 ab
    76.28±
    8.50 b
    67.36±
    7.93 b
    72.21±
    6.44 b
    66.83±
    7.62 b
    71.37±
    7.20 b
    4.04±
    0.73 bc
    4.26±
    0.71 bc
    4.64±
    0.37 b
    5.16±
    0.60 b
    7.12±
    1.84 b
    7.72±
    2.01 b
    2.45±
    0.30 b
    3.55±
    2.11 b
    1.33±
    0.41 b
    0.93±
    0.30 c
      同列不同小写字母表示处理间在P<5%水平差异显著。Different lowercase letters in the same column indicate significant differences among treatments at P<5% level.
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    表  4  氮磷钾肥配施处理下薏苡不同部位籽粒结实特性方差分析

    Table  4.   Analysis of variance (ANOVA) for seed-setting characteristics of different parts of Coix lacryma-jobi L. seeds under NPK fertilization treatments

    变异来源
    Source of variation
    结实率
    Seed setting rate
    充实度
    Grain plumpness
    千粒重
    1000-grain weight
    总粒重
    Total grain weight
    处理 Treatment 9.75** 550.47** 639.01** 1203.11**
    地点 Site 0.71 643.11 130.95 365.86
    部位 Part 565.36** 930.74** 398.31** 418.75**
    处理×地点 Treatment × site 11.97 398.30 11.97 660.39
    处理×部位 Treatment × part 1.88 149.15 58.13 122.05
    地点×部位 Site × part 2.16 495.51 382.88 430.85
    处理×地点×部位 Treatment × site × part 2.17 95.28 77.11 160.82
      **: P<0.01; ns—差异不显著, 下同。**-P<0.01; ns-Non-significant difference, same below.
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    表  5  不同施肥处理的薏苡不同部位籽粒灌浆特征参数

    Table  5.   Characteristics of seed filling parameters of different parts of Coix lacryma-jobi L. seeds with different fertilization treatments

    处理
    Treatment
    部位
    Part
    生长曲线方程
    Growth curve equation
    R²R0Tmax (d)Wmax (mg)Va (mg·d−1)Vmax (mg·d−1)D (d)
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    1上 UpW=70.21/(1+2102e−0.21t)1/7.26W=68.05/(1+1053e−0.19t)1/5.170.98840.98010.020.0326.4227.9448.5045.690.810.951.361.5676.4065.47
    中 MiddleW=74.12/(1+1384e−0.18t)1/6.48W=70.86/(1+880e−0.17t)1/4.750.98210.98800.020.0329.7727.6147.3447.810.790.951.311.5474.1169.14
    下1 Basal 1W=73.67/(1+316e−0.15t)1/4.64W=69.74/(1+487e−0.17t)1/3.940.97830.96920.020.0326.6726.2048.7548.840.881.051.421.6873.9566.96
    下2 Basal 2W=74.14/(1+52e−0.10t)1/2.88W=64.65/(1+191e−0.10t)1/3.200.97990.85010.020.0326.9627.6742.3142.700.820.931.281.4670.7860.64
    下3 Basal 3W=69.92/(1+171e−0.14t)1/3.04W=62.32/(1+209e−0.13t)1/2.710.97040.97570.020.0428.2028.0641.1741.580.881.071.221.4870.4657.31
    2上 UpW=81.28/(1+26e−0.10t)1/2.41W=81.14/(1+24e−0.10t)1/1.840.97710.98920.030.0622.6024.9348.9046.060.981.091.521.6783.1674.64
    中 MiddleW=77.28/(1+793e−0.17t)1/5.06W=78.16/(1+474e−0.15t)1/3.600.98350.99240.040.0429.5030.7154.1451.160.941.111.531.7782.4170.45
    下1 Basal 1W=85.17/(1+120e−0.11t)1/3.50W=82.69/(1+442e−0.15t)1/3.630.97260.99300.030.0429.5331.1355.4354.230.931.131.471.8191.8673.04
    下2 Basal 2W=78.53/(1+127e−0.13t)1/3.01W=78.53/(1+33e−0.10t)1/1.750.96180.98640.030.0628.7228.9549.5445.941.021.111.611.7077.0873.68
    下3 Basal 3W=79.61/(1+73e−0.11t)1/2.29W=134.35/(1+7e−0.05t)1/0.830.98590.99080.040.0629.9543.4447.3464.871.071.201.661.7974.22112.31
    3上 UpW=70.73/(1+4320e−0.22t)1/6.34W=72.05/(1+12490e−0.34t)1/10.390.98600.99420.050.0529.1733.9151.6657.020.951.001.571.7374.6071.87
    中 MiddleW=71.90/(1+5744e−0.21t)1/5.69W=76.67/(1+552e−0.16t)1/3.580.99480.98010.040.0531.5830.9951.5050.151.021.121.681.7870.3368.77
    下1 Basal 1W=69.75/(1+258e−0.15t)1/3.43W=75.14/(1+54e−0.11t)1/2.160.98880.94520.040.0528.5627.7645.2144.120.971.051.541.6271.8471.48
    下2 Basal 2W=67.82/(1+3464482e−0.36t)1/9.04W=71.95/(1+8697e−0.38t)1/8.530.99700.98760.040.0535.4335.6652.5555.251.111.321.902.2560.8954.34
    下3 Basal 3W=68.58/(1+493777e−0.32t)1/6.81W=73.12/(1+6113e−0.37t)1/8.070.99240.98050.040.0534.8136.5750.7255.651.251.342.092.2754.8754.45
    4上 UpW=74.00/(1+339e−0.16t)1/3.82W=76.45/(1+118e−0.13t)1/2.740.97400.98840.050.0527.7427.0249.0447.261.031.121.641.7672.0568.13
    中 MiddleW=75.50/(1+164e−0.12t)1/3.30W=87.29/(1+55e−0.10t)1/2.080.97770.97710.040.0531.0432.5648.5450.840.901.081.421.6784.2080.76
    下1 Basal 1W=69.93/(1+178e−0.15t)1/2.98W=75.41/(1+41e−0.11t)1/1.470.97590.98590.040.0727.0626.4944.0242.281.061.201.671.8465.9962.79
    下2 Basal 2W=66.65/(1+530e−0.16t)1/3.62W=66.97/(1+636e−0.18t)1/3.090.95880.98840.050.0629.5128.2743.6842.461.001.241.601.9666.5554.01
    下3 Basal 3W=70.04/(1+3858e−0.18t)1/4.58W=152.0/(1+4e−0.04t)1/0.550.97040.98940.050.0735.4648.0548.1468.961.011.241.641.8469.38123.17
    5上 UpW=105/(1+3e−0.04t)1/0.91W=86.72/(1+59e−0.10t)1/2.410.97480.98190.040.0427.5131.8851.6852.150.891.291.331.53118.1187.95
    中 MiddleW=135/(1+3e−0.03t)1/0.65W=162.15/(1+6e−0.04t)1/0.870.96790.99760.050.0539.1950.1262.8879.110.891.151.321.73102.9180.42
    下1 Basal 1W=86.03/(1+4e−0.06t)1/1.06W=73.16/(1+6097e−0.20t)1/5.340.96080.98740.050.0423.5533.5743.5251.790.871.041.301.7199.4070.09
    下2 Basal 2W=72.44/(1+84e−0.13t)1/2.57W=70.27/(1+77246e−0.27t)1/6.240.98410.99040.060.0426.4234.3044.1551.171.051.171.631.9469.2459.98
    下3 Basal 3W=65.43/(1+15024e−0.23t)1/5.95W=63.34/(1+20872e−0.40t)1/8.680.99100.99240.050.0533.1836.2847.2448.770.971.201.602.0467.3452.76
    6上 UpW=74.03/(1+135e−0.14t)1/3.41W=78.12/(1+202e−0.14t)1/3.580.98860.98920.040.0424.9927.6547.9451.091.011.021.601.6373.5576.55
    中 MiddleW=75.73/(1+510e−0.15t)1/4.11W=71.71/(1+3983e−0.22t)1/5.300.99620.99020.040.0430.6129.7150.9350.670.981.091.571.7977.6685.53
    下1 Basal 1W=74.74/(1+116e−0.13t)1/2.86W=67.59/(1+194e−0.15t)1/3.220.99180.99460.040.0527.7225.6446.6343.241.031.031.611.6472.7585.37
    下2 Basal 2W=75.35/(1+48e−0.11t)1/1.89W=80.21/(1+32e−0.11t)1/1.360.98590.99360.050.0827.8128.3343.0242.711.131.341.732.1366.8889.99
    下3 Basal 3W=71.09/(1+48e−0.15t)1/2.91W=78.05/(1+41.30e−0.11t)1/1.360.98370.99580.060.0830.9630.3144.5141.531.131.311.781.9862.7289.72
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    续表5
    处理
    Treatment
    部位
    Part
    生长曲线方程
    Growth curve equation
    R²R0Tmax (d)Wmax (mg)Va (mg·d−1)Vmax (mg·d−1)D (d)
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    7上 UpW=72.92/(1+8916e−0.25t)1/6.91W=73.03/(1+1482e−0.22t)1/4.740.98430.9950 0.050.0528.0126.0754.0750.521.051.191.751.9469.7261.20
    中 MiddleW=70.55/(1+152e−0.13t)1/3.46W=69.55/(1+86e−0.13t)1/2.910.97200.98350.040.0527.3925.6445.8143.540.890.941.421.4779.1274.20
    下1 Basal 1W=71.74/(1+1051e−0.17t)1/4.65W=83.66/(1+84e−0.11t)1/2.490.99440.99260.040.0430.8731.4749.4450.660.951.041.541.6375.7680.13
    下2 Basal 2W=63.53/(1+7199e−0.22t)1/5.65W=65.59/(1+7262e−0.36t)1/7.850.96650.99060.040.0531.3231.3345.4449.690.951.211.562.0567.0454.02
    下3 Basal 3W=64.84/(1+9115e−0.21t)1/5.38W=68.44/(1+6184e−0.17t)1/3.950.99360.98980.040.0433.9934.0945.9545.660.961.021.571.6467.5167.01
    8上 UpW=77.51/(1+51e−0.12t)1/2.88W=87.62/(1+78e−0.10t)1/2.720.99200.99360.040.0423.9030.5748.4254.080.961.021.501.5980.9886.05
    中 MiddleW=71.25/(1+1474e−0.19t)1/4.81W=78.11/(1+1171e−0.18t)1/3.910.99740.99060.040.0528.7431.1449.4352.011.041.211.691.9468.4464.63
    下1 Basal 1W=76.19/(1+63e−0.11t)1/2.53W=83.37/(1+352e−0.14t)1/2.940.98170.98980.040.0527.7433.3046.3252.340.981.211.521.9078.1468.92
    下2 Basal 2W=85.53/(1+9.31e−0.07t)1/1.09W=81.33/(1+186e−0.13t)1/2.320.98210.99600.050.0629.4432.9943.5348.501.011.251.511.9485.1165.02
    下3 Basal 3W=86.20/(1+95e−0.13t)1/2.04W=67.15/(1+1659e−0.13t)1/3.190.98090.98760.070.0627.7032.3637.8242.881.121.251.531.9758.2553.82
    9上 UpW=68.40/(1+6064e−0.25t)1/7.50W=68.24/(1+6064e−0.25t)1/7.500.98880.98620.070.0826.7120.3051.4337.740.901.151.521.7475.8363.17
    中 MiddleW=68.91/(1+25580e−0.25t)1/8.83W=71.17/(1+2343e−0.30t)1/8.560.98980.97690.030.0730.8223.4253.2140.210.821.141.401.7583.868.23
    下1 Basal 1W=71.57/(1+376e−0.17t)1/4.05W=69.27/(1+11597e−0.30t)1/6.890.98470.99240.030.0926.4621.6748.0037.441.011.381.632.1070.7357.51
    下2 Basal 2W=67.07/(1+49034e−0.26t)1/7.77W=68.50/(1+10100e−0.23t)1/5.000.98740.98070.040.0732.5125.3250.7340.101.231.321.862.0572.6459.95
    下3 Basal 3W=68.30/(1+2766e−0.21t)1/4.99W=69.46/(1+418e−0.16t)1/2.90.99040.95940.030.1029.7627.6244.9237.141.181.171.891.7565.8862.33
    10上 UpW=74.45/(1+128e−0.16t)1/3.30W=78.1/(1+73e−0.14t)1/5.250.98030.99180.040.0622.5524.2747.8847.411.141.201.811.8765.3465.10
    中 MiddleW=71.13/(1+1453e−0.21t)1/5.44W=75.15/(1+4835e−0.22t)1/5.960.98470.99200.050.0426.4129.9350.5254.281.011.061.661.7470.3471.16
    下1 Basal 1W=67.61/(1+405725e−0.37t)1/8.99W=68.60/(1+42169e−0.30t)1/6.610.99460.99160.040.0428.4829.5952.3550.461.161.181.971.9658.4758.16
    下2 Basal 2W=64.11/(1+7360e−0.26t)1/5.72W=67.44/(1+68648e−0.39t)1/6.320.99280.97850.040.0627.2529.8345.9649.211.091.581.791.8758.8642.77
    下3 Basal 3W=63.17/(1+713e−0.18t)1/3.72W=65.77/(1+2338e−0.20t)1/4.010.98720.98840.050.0528.1131.6741.6544.021.031.101.651.7661.3059.83
    11上 UpW=76.33/(1+8420713e−0.25t)1/6.65W=73.90/(1+1081e−0.18t)1/3.320.99380.99100.050.0528.5529.1656.2353.311.101.281.842.1269.2057.69
    中 MiddleW=78.59/(1+1957e−0.20t)1/5.14W=84.36/(1+85e−0.12t)1/2.330.99300.98250.040.0529.6329.3755.2250.351.101.191.801.8571.2770.77
    下1 Basal 1W=78.09/(1+402e−0.16t)1/3.90W=83.20/(1+779e−0.17t)1/3.520.98290.97080.040.0527.9031.9551.9754.201.101.271.762.0371.0565.27
    下2 Basal 2W=71.37/(1+1839e−0.22t)1/4.01W=71.96/(1+17034e−0.27t)1/4.850.98780.98110.040.0626.7930.2247.7649.991.161.421.662.1152.5650.70
    下3 Basal 3W=68.65/(1+375e−0.17t)1/3.00W=67.89/(1+795e−0.18t)1/3.340.98330.98450.060.0627.2129.7443.2743.741.021.171.621.8656.4658.01
    12上 UpW=76.28/(1+39e−0.10t)1/2.54W=73.2/(1+1081e−0.18t)1/4.620.98410.97360.060.0425.1430.5746.4050.380.920.991.431.6083.1074.22
    中 MiddleW=76.28/(1+39e−0.10t)1/2.54W=67.27/(1+25196e−0.32t)1/7.370.98700.99860.040.0425.1432.1346.4050.400.921.171.431.9683.1057.68
    下1 Basal 1W=70.11/(1+835e−0.10t)1/4.23W=67.78/(1+54136e−0.35t)1/7.410.99440.98700.040.0529.5132.2747.4350.861.011.251.622.1069.6354.25
    下2 Basal 2W=68.01/(1+1306e−0.19t)1/4.08W=67.82/(1+7897e−0.24t)1/4.120.99520.98760.040.0630.0631.6045.6845.611.071.331.722.1363.4151.13
    下3 Basal 3W=63.20/(1+49846e−0.26t)1/6.40W=65.76/(1+4286e−0.21t)1/3.730.99560.99300.050.0633.7733.3346.2443.351.001.211.661.9463.3954.20
    下载: 导出CSV
    续表5
    处理
    Treatment
    部位
    Part
    生长曲线方程
    Growth curve equation
    R²R0Tmax (d)Wmax (mg)Va (mg·d−1)Vmax (mg·d−1)D (d)
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    屯脚
    Tunjiao
    Town
    下山
    Xiashan
    Town
    13上 UpW=73.82/(1+615e−0.17t)1/5.05W=75.23/(1+574e−0.21t)1/3.740.96770.98590.040.0626.6924.3351.6949.610.941.361.542.1778.4055.43
    中 MiddleW=71.50/(1+1105e−0.19t)1/5.00W=74.39/(1+254e−0.17t)1/3.040.96310.98800.040.0628.1425.4249.9746.980.981.291.602.0373.0057.84
    下1 Basal 1W=73.70/(1+347e−0.18t)1/3.19W=76.38/(1+337e−0.20t)1/2.660.99180.99120.040.0725.4124.6147.0646.891.311.612.072.5256.3347.31
    下2 Basal 2W=68.61/(1+4203e−0.22t)1/4.86W=70.39/(1+290e−0.18t)1/2.620.99660.98130.060.0729.6425.8747.6943.071.141.391.862.1760.1350.72
    下3 Basal 3W=62.46/(1+357e−0.18t)1/2.78W=66.18/(1+90e−0.14t)1/2.140.99400.99660.050.0726.1426.0038.7238.771.171.151.901.7851.4657.46
    14上 UpW=76.10/(1+14e−0.09t)1/1.82W=71.47/(1+11e−0.11t)1/1.310.99700.99080.070.0420.8229.3343.0653.250.991.081.521.8576.9462.05
    中 MiddleW=70.29/(1+94e−0.13t)1/3.21W=68.20/(1+26e−0.12t)1/1.710.99780.99160.050.0424.3133.0144.9354.680.941.041.481.7774.8962.98
    下1 Basal 1W=74.69/(1+6e−0.09t)1/0.98W=68.20/(1+36e−0.15t)1/1.580.98230.98860.040.0420.1431.4637.2451.341.161.201.741.8164.5249.37
    下2 Basal 2W=72.57/(1+242e−0.14t)1/3.28W=67.55/(1+158e−0.17t)1/2.270.99340.99460.090.0528.9232.5846.5947.871.021.391.622.1571.0451.01
    下3 Basal 3W=70.58/(1+103e−0.12t)1/2.40W=74.71/(1+12.68e−0.09t)1/0.970.98800.98410.050.0529.1931.6142.4040.941.031.451.612.1868.2863.82
    变异来源
    Source of variation
    处理 Treatment************
    部位 Part************
    地点 Sitensnsnsnsnsns
    处理×部位 Treatment × partnsnsnsnsnsns
    处理×地点 Treatment × sitensnsnsnsnsns
    部位×地点 Part × sitensnsnsnsnsns
    处理×部位×地点 Treatment × part × sitensnsnsnsnsns
      R2:决定系数; R0:灌浆起始势; Tmax:灌浆速率达到最大时需要的天数; Wmax:灌浆速率达到最大值的粒重; Va:平均灌浆速率; Vmax:籽粒最大灌浆速率; D:籽粒活跃灌浆期。 R2: decision factor; R0: Grouting starting potential; Tmax: number of days required to reach maximum grouting rate; Wmax: grain weight at maximum grouting rate; Va: average grouting rate; Vmax: maximum seed filling rate; D: active seed filling period.
    下载: 导出CSV

    表  6  氮、磷、钾肥对薏苡的千粒重效应

    Table  6.   Effects of nitrogen, phosphorus and potassium fertilizers on the thousand grain weight of Coix lacryma-jobi L.

    处理
    Treatment
    氮肥施用量
    Nitrogen fertilizer application rate
    (kg·hm−2)
    千粒重
    1000-grain weight
    (g)
    处理
    Treatment
    磷肥施用量
    Phosphorus fertilizer application rate
    (kg·hm−2)
    千粒重
    1000-grain weight
    (g)
    处理
    Treatment
    钾肥施用量
    Potassium fertilizer application rate
    (kg·hm−2)
    千粒重
    1000-grain weight
    (g)
    2071.89 4069.63 8074.82
    313575.5057579.909112.579.69
    627073.24615075.50622575.86
    1140570.06722570.0610337.570.06
    下载: 导出CSV

    表  7  薏苡千粒重≥75 g的频率分布及农艺措施

    Table  7.   Frequency distribution and agronomic measures for Coix lacryma-jobi L. with a thousand grain weight ≥ 75g

    水平 LevelN P K
    频数
    Frequency
    频率
    Relative frequency
    频数
    Frequency
    频率
    Relative frequency
    频数
    Frequency
    频率
    Relative frequency
    020.1429 20.1429 40.2857
    150.3571120.857140.2857
    240.28570030.2143
    330.21430030.2143
    总计 Total141141141
    加权平均数
    Weighted average
    1.57140.85711.3571
    标准差SE
    Standard deviation SE
    1.01640.36311.1507
    95%置信区间
    95% confidence interval
    0.9846~2.15830.6475~1.06680.6927~2.0216
    最佳施肥范围
    Optimal range of fertilizer application rate (kg·hm−2)
    40.5008~80.988037.5003~75.000656.2496~112.5060
    下载: 导出CSV
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出版历程
  • 收稿日期:  2023-06-16
  • 录用日期:  2023-10-08
  • 修回日期:  2023-10-18
  • 网络出版日期:  2023-11-01

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