三次样条插值法在确定“巨峰”葡萄结果期开始灌溉补水的土壤水势阈值中的应用研究
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摘要
为了提出一种合理的数学分析方法确定"巨峰"葡萄结果期开始灌溉的精确土壤水势阈值。针对以土壤水势实时监测及果实粒径无损测量、数据拟合等方法获取的果实膨大速率关于土壤水势的离散数据曲线,采用基于Matlab编程的3次样条插值法对所形成的散点图进行曲线平滑化处理,考察一阶求导后曲线的斜率变化并结合新梢生长等指标的显著性差异进行综合分析,确定了果实幼果期、第1次快速膨大期、转色期各生长阶段划分的临界值和对应时期开始灌溉的土壤水势阈值。将"巨峰"葡萄结果期的果实生长划分为急速膨大、快速膨大、缓慢膨大、收缩4个阶段并确定了幼果期、果实第1次快速膨大期、转色期开始灌溉的土壤水势阈值分别为-11.64、-14.86和21.00k Pa,可为指导果树的水分管理提供关键参数,为农业精准灌溉技术中土壤水势阈值的研究奠定了理论依据。
The objective is to Present a reasonable mathematical analysis method to determine the precise soil water potential threshold for starting irrigating in the fruiting stage of "Kyoho"grapevine. After using the methods of real-time monitoring soil water potential,non-destructive measurement of fruit size and collecting the data that formed the discrete curve of the relationship between the berry enlargement rate and soil water potential,the figures are given a scatter plot curve smoothing processing via the cubic spline interpolation method based on Matlab software,and then they are inspected through the changes of derivative curve slope. Finally,the significant differences between the growth of shoots indicators are conducted by comprehensive analysis. The critical values to distinguish the different stages of the period of berry set,berry first rapid growth period and veraison are determined,as well as the soil water potential thresholds to start irrigating at the corresponding stages of "Kyoho"grapevine. The development of berries during the fruiting stage in"Kyoho"grapevine are divided into four phases,including high speed growth phase,rapid growth phase,slow growth phase and shrinking phase. In addition to this,the soil water potential thresholds to start irrigating during the period of berry set,berry first rapid growth period and veraison are determined as-11.64,-14.86 and 21.00 k Pa respectively,which can be used to guide the water management in the cultivation of fruit and provide key parameters and theoretical basis for the research in precision irrigation technology upon soil water potential threshold.
The objective is to Present a reasonable mathematical analysis method to determine the precise soil water potential threshold for starting irrigating in the fruiting stage of "Kyoho"grapevine. After using the methods of real-time monitoring soil water potential,non-destructive measurement of fruit size and collecting the data that formed the discrete curve of the relationship between the berry enlargement rate and soil water potential,the figures are given a scatter plot curve smoothing processing via the cubic spline interpolation method based on Matlab software,and then they are inspected through the changes of derivative curve slope. Finally,the significant differences between the growth of shoots indicators are conducted by comprehensive analysis. The critical values to distinguish the different stages of the period of berry set,berry first rapid growth period and veraison are determined,as well as the soil water potential thresholds to start irrigating at the corresponding stages of "Kyoho"grapevine. The development of berries during the fruiting stage in"Kyoho"grapevine are divided into four phases,including high speed growth phase,rapid growth phase,slow growth phase and shrinking phase. In addition to this,the soil water potential thresholds to start irrigating during the period of berry set,berry first rapid growth period and veraison are determined as-11.64,-14.86 and 21.00 k Pa respectively,which can be used to guide the water management in the cultivation of fruit and provide key parameters and theoretical basis for the research in precision irrigation technology upon soil water potential threshold.
引文
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[7]李磊.基于成像技术的果实表型检测与解析方法研究[D].上海:上海交通大学,2015.
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[11]李根强.基于三次样条插值的采样数据光滑曲线形成法[J].计算技术与自动化,2001,(1):59-62.
[12]McC arthy,M.G.Developmental variation in sensitivity of Vitis vinifera L.(Shiraz)berries to soil water deficit[J].Australian Journal of Grape and Wine Research,2010,6(2):136-140.
[13]杨虎山.三次样条插值在实际问题中的应用和实现[J].忻州师范学院学报,2008,(2):47-49.
[14]张希娜,李亚红,郭中凯.关于三次样条插值的教学研究[J].长沙大学学报,2012,26(2):131-132.
[15]Orellana A C,Mercenaro L,Shackel K,et al.Responses of fruit uniformity to deficit irrigation and cluster thinning in commercial winegrape production[J].American Journal of Enology&Viticulture,2014,65(3):354-362.
[16]Santesteban L,C Miranda,J Royo.Regulated deficit irrigation effects on growth,yield,grape quality and individual anthocyanin composition in Vitis vinifera Lcv.“Tempranillo”[J].Agricultural Water Management,2011,98(7):1 171-1 179.
[17]Conde A,Regalado A,Rodrigues D,et al.Polyols in grape berry:transport and metabolic adjustments as a physiological strategy for water-deficit stress tolerance in grapevine[J].Journal of Experimental Botany,2015,66(3):889-906.
[18]Acevedo-Opazo C,S Ortega-Farias,S Fuentes.Effects of grapevine(Vitis vinifera L.)water status on water consumption,vegetative growth and grape quality:an irrigation scheduling application to achieve regulated deficit irrigation[J].Agricultural Water Management,2010,97(7):956-964.
[19]李波,郭向红,孙西欢,等.蓄水坑灌条件下新梢旺长期幼龄苹果树适宜的灌水下限研究[J].灌溉排水学报,2016,35(7):46-51.
[20]员学锋,贺军奇,吴普特,等.土壤水势对春季桃树茎干变化的影响研究[J].灌溉排水学报,2009,28(4):70-74.
[21]Dai Z W,Vivin P,Barrieu F,et al.Physiological and modelling approaches to understand water and carbon fluxes during grape berry growth and quality development:a review[J].Australian Journal of Grape and Wine Research,2010,16:70-85.
[22]Coombe B G,Mccarthy M G.Dynamics of grape berry growth and physiology of ripening[J].Australian Journal of Grape&Wine Research,2010,6(2):131-135.
[23]胡宏远,李双岑,马丹阳,等.水分胁迫对赤霞珠葡萄果实品质的影响研究[J].节水灌溉,2016,(12):36-41.
[24]Intrigliolo D S,J R Castel.Response of grapevine cv.“Tempranillo”to timing and amount of irrigation:water relations,vine growth,yield and berry and wine composition[J].Irrigation Science,2010,28(2):113-125.
[25]Cheng G,He Y N,Yue T X,et al.Effects of climatic conditions and soil properties on Cabernet Sauvignon berry growth and anthocyanin profiles[J].Molecules,2014,19(9):13 683-13 703.
[26]邓浩亮,孔维萍,张恒嘉,等.不同生育期调亏灌溉对酿酒葡萄耗水及果实品质的影响[J].中国生态农业学报,2016,24(9):1 196-1 205.
[27]Bucchetti B,M A Matthews,L Falginella,et al.Effect of water deficit on Merlot grape tannins and anthocyanins across four seasons[J].Scientia Horticulturae,2011,128(3):297-305.
[2]张仪.我国精准农业发展现状[J].现代农业科技,2017,(7):274-274.
[3]蔡雪珍.基于近红外光谱技术分析的鲜食葡萄果实的无损检测与品质鉴定[D].合肥:安徽农业大学,2015.
[4]Pierce F,T Elliott.Regional and on-farm wireless sensor networks for agricultural systems in Eastern Washington[J].Computers and Electronics in Agriculture,2008,61(1):32-43.
[5]Kacira M,Ling P P.Design and development of an automated and non-contact sensing system for continuous monitoring of plant health and growth.[J].Transactions of the Asae American Society of Agricultural Engineers,2001,44(4):989-996.
[6]Mccarthy A,Hancock N.Development of a sensing system for automated cotton fruit load and vegetation estimation[J].Engineers Australia,2013:363-370.
[7]李磊.基于成像技术的果实表型检测与解析方法研究[D].上海:上海交通大学,2015.
[8]Lou Y,Miao Y,Wang Z,et al.Establishment of the soil water potential threshold to trigger irrigation of Kyoho grapevines based on berry expansion,photosynthetic rate and photosynthetic product allocation[J].Australian Journal of Grape&Wine Research,2016,22(2).
[9]王忠谦,朱宁.基于三次样条插值的图像放大的离散算法[J].苏州大学学报(自然科学版),2005,(2):7-11.
[10]张铁山,张友良,王建中,等.基于三次样条的回弹预测方法[J].农业机械学报,2005,(4):136-138.
[11]李根强.基于三次样条插值的采样数据光滑曲线形成法[J].计算技术与自动化,2001,(1):59-62.
[12]McC arthy,M.G.Developmental variation in sensitivity of Vitis vinifera L.(Shiraz)berries to soil water deficit[J].Australian Journal of Grape and Wine Research,2010,6(2):136-140.
[13]杨虎山.三次样条插值在实际问题中的应用和实现[J].忻州师范学院学报,2008,(2):47-49.
[14]张希娜,李亚红,郭中凯.关于三次样条插值的教学研究[J].长沙大学学报,2012,26(2):131-132.
[15]Orellana A C,Mercenaro L,Shackel K,et al.Responses of fruit uniformity to deficit irrigation and cluster thinning in commercial winegrape production[J].American Journal of Enology&Viticulture,2014,65(3):354-362.
[16]Santesteban L,C Miranda,J Royo.Regulated deficit irrigation effects on growth,yield,grape quality and individual anthocyanin composition in Vitis vinifera Lcv.“Tempranillo”[J].Agricultural Water Management,2011,98(7):1 171-1 179.
[17]Conde A,Regalado A,Rodrigues D,et al.Polyols in grape berry:transport and metabolic adjustments as a physiological strategy for water-deficit stress tolerance in grapevine[J].Journal of Experimental Botany,2015,66(3):889-906.
[18]Acevedo-Opazo C,S Ortega-Farias,S Fuentes.Effects of grapevine(Vitis vinifera L.)water status on water consumption,vegetative growth and grape quality:an irrigation scheduling application to achieve regulated deficit irrigation[J].Agricultural Water Management,2010,97(7):956-964.
[19]李波,郭向红,孙西欢,等.蓄水坑灌条件下新梢旺长期幼龄苹果树适宜的灌水下限研究[J].灌溉排水学报,2016,35(7):46-51.
[20]员学锋,贺军奇,吴普特,等.土壤水势对春季桃树茎干变化的影响研究[J].灌溉排水学报,2009,28(4):70-74.
[21]Dai Z W,Vivin P,Barrieu F,et al.Physiological and modelling approaches to understand water and carbon fluxes during grape berry growth and quality development:a review[J].Australian Journal of Grape and Wine Research,2010,16:70-85.
[22]Coombe B G,Mccarthy M G.Dynamics of grape berry growth and physiology of ripening[J].Australian Journal of Grape&Wine Research,2010,6(2):131-135.
[23]胡宏远,李双岑,马丹阳,等.水分胁迫对赤霞珠葡萄果实品质的影响研究[J].节水灌溉,2016,(12):36-41.
[24]Intrigliolo D S,J R Castel.Response of grapevine cv.“Tempranillo”to timing and amount of irrigation:water relations,vine growth,yield and berry and wine composition[J].Irrigation Science,2010,28(2):113-125.
[25]Cheng G,He Y N,Yue T X,et al.Effects of climatic conditions and soil properties on Cabernet Sauvignon berry growth and anthocyanin profiles[J].Molecules,2014,19(9):13 683-13 703.
[26]邓浩亮,孔维萍,张恒嘉,等.不同生育期调亏灌溉对酿酒葡萄耗水及果实品质的影响[J].中国生态农业学报,2016,24(9):1 196-1 205.
[27]Bucchetti B,M A Matthews,L Falginella,et al.Effect of water deficit on Merlot grape tannins and anthocyanins across four seasons[J].Scientia Horticulturae,2011,128(3):297-305.