不同光环境下辣椒光合特性和瞬时水分利用效率
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摘要
以遮阴和大棚处理下的辣椒(Capsicum annuum L.)为研究对象,用LI-6400光合仪测定了这两种光环境下辣椒的气体交换数据,然后利用光响应模型拟合它们的光合作用和瞬时水分利用效率对光的响应曲线,研究叶片的净光合速率和瞬时水分利用效率在不同光照环境下的变化规律。结果表明:大棚辣椒较遮阴辣椒的最大净光合速率(P_(nmax))和蒸腾速率(T_r)均有所下降;而大棚辣椒的最大瞬时水分利用效率(WUE_(inst-max))大于遮阴辣椒,其对应的饱和光强(I_(inst-sat))要小于遮阴辣椒,但不存在显著差异(P>0.05)。此外,研究结果还揭示,两种光环境下辣椒净光合速率达到最大时的饱和光强(I_(sat))与瞬时水分利用效率达到最大时的饱和光强(I_(inst-sat))之间存在显著差异(P<0.05),且前者的饱和光强大于后者的饱和光强,表明这种光照条件下辣椒的光合作用和瞬时水分利用效率对光的响应发生过程并不同步。
Gas exchange of Capsicum annuum L. under shading and greenhouse conditions was measured by LI-6400 Portable Photosynthetic System. The light-response curves of photosynthesis and instantaneous water-use efficiency were fitted by light-response models. The change tendency of the net photosynthetic rate and instantaneous water-use efficiency of leaves were measured under different light conditions. The results showed that the maximum net photosynthetic rate( P_(nmax)) and transpiration rate( T_r) of C. annuum leaves in greenhouse were lower than that under shading,whereas the maximum instantaneous water-use efficiency( WUEinst-max) of C. annuum in greenhouse was higher than that under shading,and the corresponding saturating light intensity( I_(inst-sat)) was lower than that under shading. There was no significant difference of WUE_(inst-max) and I_(inst-sat) between the conditions in greenhouse and in shading( P > 0.05). Furthermore,there was significant difference between Isat( corresponding to P_(nmax)) and I_(inst-sat)( corresponding to WUE_(inst-max))( P<0.05),and the values of Isatwere greater than the values of Iinst-sat.Our results indicate that both photosynthesis and instantaneous water-use efficiency of C. annuum leaves are not synchronized for each of two different light conditions.
Gas exchange of Capsicum annuum L. under shading and greenhouse conditions was measured by LI-6400 Portable Photosynthetic System. The light-response curves of photosynthesis and instantaneous water-use efficiency were fitted by light-response models. The change tendency of the net photosynthetic rate and instantaneous water-use efficiency of leaves were measured under different light conditions. The results showed that the maximum net photosynthetic rate( P_(nmax)) and transpiration rate( T_r) of C. annuum leaves in greenhouse were lower than that under shading,whereas the maximum instantaneous water-use efficiency( WUEinst-max) of C. annuum in greenhouse was higher than that under shading,and the corresponding saturating light intensity( I_(inst-sat)) was lower than that under shading. There was no significant difference of WUE_(inst-max) and I_(inst-sat) between the conditions in greenhouse and in shading( P > 0.05). Furthermore,there was significant difference between Isat( corresponding to P_(nmax)) and I_(inst-sat)( corresponding to WUE_(inst-max))( P<0.05),and the values of Isatwere greater than the values of Iinst-sat.Our results indicate that both photosynthesis and instantaneous water-use efficiency of C. annuum leaves are not synchronized for each of two different light conditions.
引文
白海波,吕学莲,惠建,等.2017.灌水量对宁夏春小麦光合特性及产量构成因素的影响.中国农学通报,33(34):9-14.
常宗强,冯起,张秀凤,等.2011.CO2浓度升高对极端干旱区多枝柽柳叶片水分利用效率的影响.干旱区地理,34(3):499-504.
陈平,孟平,张劲松,等.2014.两种药用植物生长和水分利用效率对干旱胁迫的响应.应用生态学报,25(5):1300-1306.
董智,马宇飞,李红丽,等.2009.4个紫花苜蓿品种分枝期光合速率、蒸腾速率日变化及其影响因子分析.中国草地学报,31(3):67-71.
姬慧娟,贾会霞,章小铃,等.2016.干旱胁迫对红皮柳光合特性日变化及生长的影响.南京林业大学学报:自然科学版,40(6):41-46.
靳新红,王百田,吴瑞菊,等.2007.土壤水分对核桃幼树蒸腾特性的影响.山西林业科技,36(2):5-8.
李晨曦,何章,许永华,等.2017.不同遮荫棚下农田人参叶片光合特性的生育期变化.吉林农业大学学报,39(1):32-37.
李景浩,李慧,魏亚伟,等.2016.樟子松、油松、蒙古栎水分利用效率种间变化及其对环境因子的响应差异.植物研究,36(4):581-587.
李雪松,贾德彬,钱龙娇,等.2018.基于同位素技术分析不同生长季节杨树水分利用.生态学杂志,37(3):840-846.
刘佳,刘雅琴,李靖,等.2017.碱胁迫对山桃叶片形态结构及光合特性的影响.西南农业学报,30(2):327-332.
刘龙,姚云峰,郭月峰,等.2018.准格尔旗砒砂岩区沙棘蒸腾耗水与环境因子的关系.中国农业大学学报,23(6):108-120.
齐长雪,张丹蓉,赵磊,等.2018.毛乌素沙地沙柳蒸腾特征研究.陕西农业科学,64(10):1-5,11.
侍瑞,苏培玺,周紫鹃,等.2018.三种不同类型草甸生态系统下鹅绒委陵菜的光合特性.生态学杂志,37(7):1943-1951.
孙景宽,陆兆华,夏江宝,等.2013.盐胁迫对二色补血草光合生理生态特性的影响.西北植物学报,33(5):992-997.
王建林,于贵瑞,房全孝,等.2008.不同植物叶片水分利用效率对光和CO2的响应与模拟.生态学报,28(2):525-533.
王庆伟,于大炮,代力民,等.2010.全球气候变化下植物水分利用效率研究进展.应用生态学报,21(12),3255-3265.
熊伟,王彦辉,于澎涛.2005.树木水分利用效率研究综述.生态学杂志,24(4):417-421.
姚玉璧,雷俊,牛海洋,等.2018.CO2浓度升高与增温对半干旱区马铃薯光合特性的协同影响.生态环境学报,27(5):793-801.
叶子飘,康华靖,段世华,等.2018.不同CO2浓度下大豆叶片的光合生理生态特性.应用生态学报,29(2):583-591.
叶子飘,杨小龙,康华靖.2016.C3和C4植物光能利用效率和水分利用效率的比较研究.浙江农业学报,28(11):1867-1873.
叶子飘,张海利,黄宗安,等.2017.叶片光能利用效率和水分利用效率对光响应的模型构建.植物生理学报,53(6):1116-1122.
于文颖,纪瑞鹏,冯锐,等.2015.不同生育期玉米叶片光合特性及水分利用效率对水分胁迫的响应.生态学报,35(9):2902-2909.
曾欢欢,刘文杰,吴骏恩,等.2019.西双版纳地区丛林式橡胶林内植物的水分利用策略.生态学杂志,38(2):394-403.
张锦春,赵明,张应昌,等.2005.灌溉植被梭梭、白刺光合蒸腾特性及影响因素研究.西北植物学报,25(1):70-76.
赵晨光,孟和巴雅尔,程业森.2017.阿拉善白刺蒸腾速率的影响因子分析.防护林科技,14(9):35-38,47.
赵花荣,任三学,齐月.2017.高湿和干旱对夏玉米灌浆期叶片光合特性的影响.中国农学通报,33(31):15-21.
朱林,高雪,张会丽,等.2018.苜蓿叶片碳同位素分辨率与水分利用效率的关系.中国草地学报,40(1):17-23.
Alexander G,Haldimann P,Feller U.2007.Photosynthetic performance and water relations in young pubescent oak(Quercus pubescens)trees during drought stress and recovery.New Phytologist,174:799-810.
Avola G,Cavallaro V,Cristina P,et al.2008.Gas exchange and photosynthetic water use efficiency in response to light,CO2concentration and temperature in Vicia faba.Journal of Plant Physiology,165:796-804.
Cabrera-Bosquet L,Molerol G,Bort J,et al.2007.The combined effect of constant water deficit and nitrogen supply on WUE,NUE andδ13C in durum wheat potted plants.Annals of Applied Biology,151:277-289.
Centritto M,Loreto F,Massacci A,et al.2000.Improved growth and water use efficiency of cherry saplings under reduced light intensity.Ecological Research,15:385-392.
Flexas J,Niinemets U,GalléA,et al.2013.Diffusional conductances to CO2as a target for increasing photosynthesis and photosynthetic water-use efficiency.Photosynthesis Research,117:45-59.
Franco JG,King SR,Volder A.2018.Component crop physiology and water use efficiency in response to intercropping.European Journal of Agronomy,93:27-39.
Gratani L,Varone L,Crescente MF.2009.Photosynthetic activity and water use efficiency of dune species:The influence of air temperature on functioning.Photosynthetica,47:575-585.
Hsiao TC,Xu LK.2000.Predicting water use efficiency of crops.Acta Horticulturae,537:199-206.
Islam MR,Garcia SC.2012.Effects of sowing date and nitrogen fertilizer on forage yield,nitrogen-and water-use efficiency and nutritive value of an annual triple-crop complementary forage rotation.Grass and Forage Science,67:96-110.
Ogutu BO,Dash J,Dawson TP.2013.Developing a diagnostic model for estimating terrestrial vegetation gross primary productivity using the photosynthetic quantum yield and earth observation data.Global Change Biology,19:2878-2892.
Plénet D,Etchebest S,Mollier A,et al.2000.Growth analysis of maize field crops under phosphorus deficiency.Plant and Soil,223:117-130.
Schull MA,Anderson MC,Houborg R,et al.2014.Thermalbased modeling of coupled carbon,water,and energy fluxes using nominal light use efficiencies constrained by leaf chlorophyll observations.Biogeosciences,11:14133-14171.
Ye ZP,Suggett DJ,Robakowski P,et al.2013.A mechanistic model for the photosynthesis-light response based on the photosynthetic electron transport of photosystem II in C3and C4species.New Phytologist,199:110-120.
Ye ZP.2007.A new model for relationship between irradiance and the rate of photosynthesis in Oryza sativa.Photosynthetica,45:637-640.
常宗强,冯起,张秀凤,等.2011.CO2浓度升高对极端干旱区多枝柽柳叶片水分利用效率的影响.干旱区地理,34(3):499-504.
陈平,孟平,张劲松,等.2014.两种药用植物生长和水分利用效率对干旱胁迫的响应.应用生态学报,25(5):1300-1306.
董智,马宇飞,李红丽,等.2009.4个紫花苜蓿品种分枝期光合速率、蒸腾速率日变化及其影响因子分析.中国草地学报,31(3):67-71.
姬慧娟,贾会霞,章小铃,等.2016.干旱胁迫对红皮柳光合特性日变化及生长的影响.南京林业大学学报:自然科学版,40(6):41-46.
靳新红,王百田,吴瑞菊,等.2007.土壤水分对核桃幼树蒸腾特性的影响.山西林业科技,36(2):5-8.
李晨曦,何章,许永华,等.2017.不同遮荫棚下农田人参叶片光合特性的生育期变化.吉林农业大学学报,39(1):32-37.
李景浩,李慧,魏亚伟,等.2016.樟子松、油松、蒙古栎水分利用效率种间变化及其对环境因子的响应差异.植物研究,36(4):581-587.
李雪松,贾德彬,钱龙娇,等.2018.基于同位素技术分析不同生长季节杨树水分利用.生态学杂志,37(3):840-846.
刘佳,刘雅琴,李靖,等.2017.碱胁迫对山桃叶片形态结构及光合特性的影响.西南农业学报,30(2):327-332.
刘龙,姚云峰,郭月峰,等.2018.准格尔旗砒砂岩区沙棘蒸腾耗水与环境因子的关系.中国农业大学学报,23(6):108-120.
齐长雪,张丹蓉,赵磊,等.2018.毛乌素沙地沙柳蒸腾特征研究.陕西农业科学,64(10):1-5,11.
侍瑞,苏培玺,周紫鹃,等.2018.三种不同类型草甸生态系统下鹅绒委陵菜的光合特性.生态学杂志,37(7):1943-1951.
孙景宽,陆兆华,夏江宝,等.2013.盐胁迫对二色补血草光合生理生态特性的影响.西北植物学报,33(5):992-997.
王建林,于贵瑞,房全孝,等.2008.不同植物叶片水分利用效率对光和CO2的响应与模拟.生态学报,28(2):525-533.
王庆伟,于大炮,代力民,等.2010.全球气候变化下植物水分利用效率研究进展.应用生态学报,21(12),3255-3265.
熊伟,王彦辉,于澎涛.2005.树木水分利用效率研究综述.生态学杂志,24(4):417-421.
姚玉璧,雷俊,牛海洋,等.2018.CO2浓度升高与增温对半干旱区马铃薯光合特性的协同影响.生态环境学报,27(5):793-801.
叶子飘,康华靖,段世华,等.2018.不同CO2浓度下大豆叶片的光合生理生态特性.应用生态学报,29(2):583-591.
叶子飘,杨小龙,康华靖.2016.C3和C4植物光能利用效率和水分利用效率的比较研究.浙江农业学报,28(11):1867-1873.
叶子飘,张海利,黄宗安,等.2017.叶片光能利用效率和水分利用效率对光响应的模型构建.植物生理学报,53(6):1116-1122.
于文颖,纪瑞鹏,冯锐,等.2015.不同生育期玉米叶片光合特性及水分利用效率对水分胁迫的响应.生态学报,35(9):2902-2909.
曾欢欢,刘文杰,吴骏恩,等.2019.西双版纳地区丛林式橡胶林内植物的水分利用策略.生态学杂志,38(2):394-403.
张锦春,赵明,张应昌,等.2005.灌溉植被梭梭、白刺光合蒸腾特性及影响因素研究.西北植物学报,25(1):70-76.
赵晨光,孟和巴雅尔,程业森.2017.阿拉善白刺蒸腾速率的影响因子分析.防护林科技,14(9):35-38,47.
赵花荣,任三学,齐月.2017.高湿和干旱对夏玉米灌浆期叶片光合特性的影响.中国农学通报,33(31):15-21.
朱林,高雪,张会丽,等.2018.苜蓿叶片碳同位素分辨率与水分利用效率的关系.中国草地学报,40(1):17-23.
Alexander G,Haldimann P,Feller U.2007.Photosynthetic performance and water relations in young pubescent oak(Quercus pubescens)trees during drought stress and recovery.New Phytologist,174:799-810.
Avola G,Cavallaro V,Cristina P,et al.2008.Gas exchange and photosynthetic water use efficiency in response to light,CO2concentration and temperature in Vicia faba.Journal of Plant Physiology,165:796-804.
Cabrera-Bosquet L,Molerol G,Bort J,et al.2007.The combined effect of constant water deficit and nitrogen supply on WUE,NUE andδ13C in durum wheat potted plants.Annals of Applied Biology,151:277-289.
Centritto M,Loreto F,Massacci A,et al.2000.Improved growth and water use efficiency of cherry saplings under reduced light intensity.Ecological Research,15:385-392.
Flexas J,Niinemets U,GalléA,et al.2013.Diffusional conductances to CO2as a target for increasing photosynthesis and photosynthetic water-use efficiency.Photosynthesis Research,117:45-59.
Franco JG,King SR,Volder A.2018.Component crop physiology and water use efficiency in response to intercropping.European Journal of Agronomy,93:27-39.
Gratani L,Varone L,Crescente MF.2009.Photosynthetic activity and water use efficiency of dune species:The influence of air temperature on functioning.Photosynthetica,47:575-585.
Hsiao TC,Xu LK.2000.Predicting water use efficiency of crops.Acta Horticulturae,537:199-206.
Islam MR,Garcia SC.2012.Effects of sowing date and nitrogen fertilizer on forage yield,nitrogen-and water-use efficiency and nutritive value of an annual triple-crop complementary forage rotation.Grass and Forage Science,67:96-110.
Ogutu BO,Dash J,Dawson TP.2013.Developing a diagnostic model for estimating terrestrial vegetation gross primary productivity using the photosynthetic quantum yield and earth observation data.Global Change Biology,19:2878-2892.
Plénet D,Etchebest S,Mollier A,et al.2000.Growth analysis of maize field crops under phosphorus deficiency.Plant and Soil,223:117-130.
Schull MA,Anderson MC,Houborg R,et al.2014.Thermalbased modeling of coupled carbon,water,and energy fluxes using nominal light use efficiencies constrained by leaf chlorophyll observations.Biogeosciences,11:14133-14171.
Ye ZP,Suggett DJ,Robakowski P,et al.2013.A mechanistic model for the photosynthesis-light response based on the photosynthetic electron transport of photosystem II in C3and C4species.New Phytologist,199:110-120.
Ye ZP.2007.A new model for relationship between irradiance and the rate of photosynthesis in Oryza sativa.Photosynthetica,45:637-640.
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