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电场处理对卷荚相思种子萌发特性的影响

朱梦恬 江瑞熠 张莹 邓智文 荣俊冬 郑郁善 陈礼光

朱梦恬,江瑞熠,张莹,等. 电场处理对卷荚相思种子萌发特性的影响 [J]. 福建农业学报,2024,39(2):1−8
引用本文: 朱梦恬,江瑞熠,张莹,等. 电场处理对卷荚相思种子萌发特性的影响 [J]. 福建农业学报,2024,39(2):1−8
ZHU M - T, JIANG R - Y, ZHANG Y, et al. Effects of electric field treatment on seed germination characteristics of Acacia cincinnata [J]. Fujian Journal of Agricultural Sciences,2024,39(2):1−8
Citation: ZHU M - T, JIANG R - Y, ZHANG Y, et al. Effects of electric field treatment on seed germination characteristics of Acacia cincinnata [J]. Fujian Journal of Agricultural Sciences,2024,39(2):1−8

电场处理对卷荚相思种子萌发特性的影响

基金项目: 福建省科技计划区域发展项目(2015N3015);福建省科技创新团队项目(闽教科[2018]49号)
详细信息
    作者简介:

    朱梦恬(1993 —),女,硕士研究生,研究方向森林培育技术,E-mail:870121549@qq.com

    通讯作者:

    陈礼光(1974 —),男,副教授,博士,研究方向森林培育技术,E-mail:fjclg@qq.com

  • 中图分类号: S722.3

Effects of electric field treatment on seed germination characteristics of Acacia cincinnata

  • 摘要:   目的  分析不同电场、时间及其两者交互处理对种子萌发特性的影响,为种子萌发及可持续经营提供理论参考。  方法  以卷荚相思种子为研究对象,采用室内模拟试验,以不同电压强度和处理时间为控制因素,电压强度为0~1.0 kV·cm−1,时间处理为0~60 min,研究不同电压强度和时间交互处理对其种子萌发特性的影响。  结果  随着电压强度增强,处理时间的延长,卷荚相思种子的发芽率、发芽势和发芽指数均呈现不同程度的变化趋势。其中,在处理时间15、30和60 min下发芽率随着电压强度的增强呈现先降后升再降的趋势,但在处理时间45 min下发芽率随着电压强度的增强呈现先升后降的趋势;而发芽势和发芽指数均在电压强度0.6~0.8 kV·cm−1和处理时间45 min下处于最优状态,且与CK相比具有显著差异(P<0.05)。经过多元非线性回归分析得出,不同电压强度与时间交互处理下的最优回归方程为:Y=7.73+135.23X1+1.24X2-86.16X12−0.00911X22−0.75X1X2R2=0.81,P<0.05)。聚类分析结果电场和时间交互环境处理对发芽指数有非常显著的影响。  结论  电场和时间两者交互处理对卷荚相思种子萌发特性具有一定的影响,发芽率在0.6 kV·cm−1处理45 min最高,说明适宜电压强度和处理时间可以提高卷荚相思种子发芽率。
  • 图  1  不同电压强度与时间交互处理下的聚类分析

    1. 热图中红色表示电压对指标有促进作用,且颜色越深,作用越强;2. t1-0.2、t2-0.2、t3-0.2、t4-0.2代表0.2 kV/cm,t1-t4分别代表处理时间为15、30、45和60 min,后面以此类推;3. GE,发芽率;GR,发芽势;GI,发芽指数。

    Figure  1.  Clustering Analysis under Different Voltage Intensity and Time Interaction Red in the heat map indicates that the interaction of voltage and time promotes the index, and the darker the color, the stronger the effect.

    1. Red in the heat map indicates that the voltage promotes the index, and the darker the color, the stronger the effect; 2. t1-0.2, t2-0.2, t3-0.2 and t4-0.2 represented 0.2 kV/cm, and t1-t4 represented treatment time of 15, 30, 45 and 60 min, respectively. And so on later; 3. GE, germination rate; GR, germination potential; GI, germination index.

    表  1  不同电压强度与时间交互处理对卷荚相思种子发芽率的影响

    Table  1.   Effect of different voltage intensity and time interaction treatment on seed germination rate of A. cincinnata

    电压强度
    Dielectric strength/kV·cm−1
    处理时间 Handling time/min
    0 15 30 45 60
    0.0 66.00±4.00 aA 66.00±4.00 aA 66.00±4.00 aB 66.00±4.00 aC 66.00±4.00 aAB
    0.2 66.00±4.00 aA 48.67±2.52 cC 55.00±2.00 bcD 66.00±3.00 aC 60.67±5.77 abB
    0.4 66.00±4.00 aA 56.00±2.00 bB 67.33±1.15 aB 70.33±1.53 aAB 70.00±3.46 aA
    0.6 66.00±4.00 bA 67.67±2.52 abA 71.33±3.06 abAB 75.00±3.00 aA 74.67±7.57 aA
    0.8 66.00±4.00 cA 66.67±2.08 bcA 74.33±3.51 aA 71.33±2.52 abAB 70.00±2.00 abcA
    1.0 66.00±4.00 aA 65.33±2.52 aA 60.33±3.51 abC 59.33±2.52 bD 50.00±2.00 cC
    同一行中不同小写字母代表不同处理时间存在显著差异(P<0.05),同一列中不同大写字母代表不同电压强度存在显著差异(P<0.05)。下同
    Different lowercase letters in the same row represent significant differences in different treatment times (P<0.05), and different uppercase letters in the same column represent significant differences in different voltage intensities (P<0.05). Same below
    下载: 导出CSV

    表  2  不同电压强度与时间交互处理对卷荚相思种子发芽势的影响

    Table  2.   Effect of Different Voltage Intensity and Time Interaction Treatment on Germination Potential of A. cincinnata Seeds

    电压强度Dielectric strength/ kV·cm−1
    处理时间Handling time/min
    0 15 30 45 60
    0.0 39.67±2.08 aA 39.67±2.08 aCD 39.67±2.08 aB 39.67±2.08 aB 39.67±2.08 aB
    0.2 39.67±2.08 abA 30.51±1.47 cE 36.24±3.31 abB 40.38±3.19 aB 35.33±1.15 bBC
    0.4 39.67±2.08 abA 37.99±1.98 cD 38.38±4.65 cB 42.43±5.00 abB 46.67±4.16 aA
    0.6 39.67±2.08 bA 48.02±1.60 aA 49.99±4.52 aA 50.58±1.87 aA 49.00±3.00 aA
    0.8 39.67±2.08 cA 47.33±3.88 bAB 50.37±1.46 abA 52.73±1.79 aA 47.33±3.05 bA
    1.0 39.67±2.08 abA 42.98±3.61 aBC 41.26±3.85 aB 41.23±5.27 aB 33.19±2.71 bC
    下载: 导出CSV

    表  3  不同电压强度与时间交互处理对卷荚相思种子发芽指数的影响

    Table  3.   Effects of different voltage intensity and time interaction on seed germination index of A. cincinnata

    电压强度Dielectric strength/kV·cm−1
    处理时间Handling time/min
    0 15 30 45 60
    0.0 8.12±0.40 aA 8.12±0.40 aB 8.12±0.40 aBC 8.12±0.40 aCD 8.12±0.40 aBCD
    0.2 8.12±0.40 abA 6.21±0.41 cD 7.38±0.63 bC 9.25±1.01 aABC 7.79±0.51 bCD
    0.4 8.12±0.40 abA 7.12±0.47 bC 8.74±0.77 aAB 8.63±0.79 aBC 9.15±0.36 aAB
    0.6 8.12±0.40 bA 9.24±0.66 abA 9.83±0.71 aA 9.57±0.55 abAB 9.35±1.18 abA
    0.8 8.12±0.40 cA 8.91±0.22 bcAB 9.67±0.55 abA 10.12±0.52 aA 8.85±0.47 bcABC
    1.0 8.12±0.40 aA 8.16±0.37 aB 7.64±0.70 abBC 7.15±0.23 bD 7.09±0.33 bD
    下载: 导出CSV

    表  4  电压和时间交互处理对卷荚相思种子形态指标影响的双因素方差分析

    Table  4.   Two-way ANOVA of the effects of voltage and time interaction on the morphological indexes of A. cincinnata seeds

    参数
    Parameter
    电压强度
    Dielectric strength/kV·cm−1
    处理时间
    Handling time/min
    电压强度*处理时间
    Dielectric strength/kV·cm−1*
    Handling time/min
    F
    F value
    P
    P value
    F
    F value
    P
    P value
    F
    F value
    P
    P value
    发芽率 GE 51.004 0.000 13.908 0.000 8.292 0.000
    发芽势 GR 42.144 0.000 4.332 0.010 3.139 0.003
    发芽指数 GI 27.919 0.000 7.365 0.000 4.294 0.000
    下载: 导出CSV

    表  5  不同电压强度与时间交互处理对发芽率非线性回归模型

    Table  5.   Summary of nonlinear regression model of germination rate under different voltage intensity and time interaction treatment

    R2 调整后R2
    Adjusted R2
    方差分析Variance analysis F
    平方和Square sum df 均方Mean square
    回归
    regression
    残差
    residual error
    回归
    regression
    残差
    residual error
    回归
    regression
    残差
    residual error
    0.81 0.79 3251.04548 779.93786 5 54 650.2091 14.44329 45.01806
    R2表示方程拟合度,F表示整个拟合方程的显著。
    R2 represents the fitting degree of the equation, and F represents the significance of the whole fitting equation.
    下载: 导出CSV
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出版历程
  • 收稿日期:  2023-10-27
  • 修回日期:  2023-12-16
  • 网络出版日期:  2024-03-28

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