|Table of Contents|

Effects of Silicon on Growth and Photosynthesis of Cucumber Seedling Under Cadmium Stress

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年08
Page:
8-16
Research Field:
Publishing date:

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Title:
Effects of Silicon on Growth and Photosynthesis of Cucumber Seedling Under Cadmium Stress
Author(s):
LI Erbao; FAN Wenhua; LIU Fenwu; WANG Gailing; YU Minmin
(College of Resources and Environment,Shanxi Agricultural University,Taigu,Shanxi 030801)
Keywords:
silicon; cadmium stress; chlorophyll fluorescence parameters; photosynthesis; mitigation
PACS:
-
DOI:
10.11937/bfyy.20203083
Abstract:
Taking cucumber ‘Jinlyu 21-10’ as test material,pot experiments were conducted,the effects of different Si concentrations on cucumber seedling growth,photosynthetic parameters pigment content,chlorophyll fluorescence parameters and photosynthetic parameters in calcareous cinnamon soil under different Cd concentrations were studied,in order to explore the mitigation effect of silicon on cadmium toxicity.The results showed that Cd stress affected cucumber seedling growth,photosynthetic pigment content of functional leaves,chlorophyll fluorescence parameters and photosynthetic parameters.Silicon intervention increased cucumber seedling growth,photosynthetic pigment content,actual photosynthetic quantum yield of PSⅡ (Y(Ⅱ)),photochemical quenching coefficient (qP),net photosynthetic rate (Pn),transpiration rate (Tr),stomatal conductance (Gs),and decreased initial fluorescence (Fo),intercellular carbon dioxide (Ci).The maximum photochemical efficiency (Fv/Fm) of PSⅡ was not significantly affected by cadmium stress at higher concentration of silicon (Si300 mg?kg-1),and Fv/Fm tended to be stable.The protective mechanism of carotenoids in Cucumber functional leaves was demonstrated by the intervention of silicon concentration from 100 mg?kg-1 to 300 mg?kg-1.Under high concentration cadmium (5 mg?kg-1) stress,silicon concentration (Si 200 mg?kg-1) was required to reflect the alleviation effect on physiological indexes of cucumber seedling.It indicated that silicon intervention could alleviate the toxicity of cadmium stress on physiological characteristics of cucumber seedling,improve the photosystem Ⅱ and photosynthesis of cucumber seedling leaves under cadmium stress,and apply appropriate amount of silicon fertilizer could inhibit and alleviate the cadmium toxicity of plants in cadmium-contaminated soil.

References:

[1]环境保护部,国土资源部.全国土壤污染状况调查公报[R].北京:环境保护部,国土资源部,2014.[2]赖秋羽,魏树和,代惠萍,等.番茄光合荧光特性及其镉吸收对土壤镉污染的响应[J].中国环境科学,2019,39(11):4737-4742.[3]DALCORSO G,FADNATI S,MAISTD S,et al.How plants cope with cadmium:Staking all on metabolism and gene expression[J].Journal of Integrative Plant Biology,2010,50(10):1268-1280.[4]王小红,郭军康,贾红磊,等.外源水杨酸缓解镉对番茄毒害作用的研究[J].农业环境科学学报,2019,38(12):2705-2714.[5]刘会超,刘孟刚,姚连芳,等.镉胁迫对银条生物量及光合特性的影响[J].华北农学报,2010,25(4):162-165.[6]唐星林,金洪平,周晨,等.镉胁迫对龙葵叶绿素荧光和光合生化特性的影响[J].中南林业科技大学学报,2019,39(9):102-108.[7]秦红艳,艾军,许培磊,等.盐胁迫对山葡萄叶绿素荧光参数及超微结构的影响[J].西北植物学报,2013,33(6):1159-1164.[8]白志英,李存东,赵金锋,等.干旱胁迫对小麦代换系叶绿素荧光参数的影响及染色体效应初步分析[J].中国农业科学,2011,44(1):47-57.[9]LYSENKO E A,KLAUS A A,PSHYBYTKO N L,et al.Cadmium accumulation in chloroplasts and its impact on chloroplastic processes in barley and maize[J].Photosynthesis Research,2014,125(1-2):1-13.[10]TKEMALADZE G S H,MAKHASHVILI K A.Climate changes and photosynthesis[J].Annals of Agrarian Science,2016,14(5):119-126.[11]YING R R,QIU R L,TANG Y T,et al.Cadmium tolerance of carbon assimilation enzymes and chloroplast in Zn/Cd hyperaccumulator Picris divaricata[J].Journal of Plant Physiology,2010,167(2):80-87.[12]贾茜茹,刘奋武,樊文华.硅对Cd胁迫下黄瓜苗期光合及抗氧化酶系统的影响[J].水土保持学报,2018,32(4):321-326.[13]夏石头,萧浪涛,彭克勤.高等植物中硅元素的生理效应及其在农业生产中的应用[J].植物生理学通讯,2001,37(4):356-360.[14]贺敏杰,蔡昆争,王维,等.硅素分期施用对土壤镉形态和水稻镉累积的影响[J].农业环境科学学报,2018,37(8):1651-1659.[15]FENG J P,SHI Q H,WANG X F,et al.Silicon supplementation ameliorated the inhibition of photosynthesis and nitrate metabolism by cadmium (Cd) toxicity in Cucumis sativus L.[J].Scientia Horticulturae,2009,123(4),521-530.[16]顾跃,赵云,姬承东.硅肥对盐胁迫下狗牙根生理生化特征的影响[J].中国草地学报,2019,41(3):30-37.[17]孙山,徐秀玉,程来亮,等.干旱胁迫下硅对平邑甜茶光合功能的影响[J].植物生理学报,2015,51(12):2231-2238.[18]冯建鹏.硅对黄瓜幼苗镉、锰毒害的缓解效应研究[D].泰安:山东农业大学,2009.[19]罗丽娟,唐莉娜,陈星峰,等.硅对镉胁迫下烟草叶PSⅡ叶绿素荧光特性的影响[J].烟草科技,2019,52(8):1-8.[20]土壤环境质量农用地土壤污染风险管控标准(节选)[J].腐殖酸,2018,183:64-67.[21]高俊凤.植物生理学实验指导[M].北京:高等教育出版社,2006.[22]赵秀峰,张强,程滨,等.硒对砷胁迫下小白菜生理特性及砷吸收的影响[J].环境科学学报,2017,37(9):3583-3589.[23]陈晨.类胡萝卜素对叶绿素a荧光淬灭和吸收光谱的影响[D].长春:吉林大学,2019.[24]张守仁.叶绿素荧光动力学参数的意义及讨论[J].植物学通报,1999,16(4):444-448.[25]JIANG C D,GAO H Y,ZOU Q.Characteristics of photosynthetic apparatus in Mn-starved maize leaves[J].Photosynthetica,2002,40(2):209-213.[26]GUO Y P,ZHOU H F,ZHANG L C.Photosynthetic characteristics and protective mechanisms against photooxidation during high temperature stress in two citrus species[J].Entia Horticulturae,2006,108(3):260-267.[27]KRAMER D M,JOHNSON G,KIIRATS O,et al.New fluorescence parameters for the determination of QA redox state and excitation energy fluxes[J].Photosynthesis Research,2004,79(2):209-218.[28]van KOOTEN O,SNEL J F.The use of chlorophyll fluorescence nomenclature in plant stress physiology.[J].Photosynthesis Research,1990,25(3):147-150.[29]张帆,万雪琴,翟晶.镉处理下增施氮对杨树叶绿素合成和叶绿体超微结构的影响[J].核农学报,2014,28(3):485-491.[30]张春平,周立鑫,周慧,等.外源一氧化碳供体高铁血红蛋白对盐胁迫下黄连幼苗光合参数及叶绿素荧光特性的影响[J].中草药,2015,46(2):262-272.[31]孙德智,杨恒山,张庆国,等.外源一氧化氮供体硝普钠对番茄幼苗盐胁迫伤害的缓解作用[J].浙江农业学报,2019,31(8):1286-1294.[32]FARQUHAR G D,SHARKEY T D.Stomatal conductance and photosynthesis[J].Annual Review of Plant Physiology,1982,23(1):317-345.[33]李淑贤,刘卫国,高阳,等.硅对工荫蔽胁迫下大豆幼苗生长及光合特性的影响[J].中国农业科学,2018,51(19):3663-3672.[34]张国芹,徐坤,王兴翠,等.硅对生姜叶片水、二氧化碳交换特性的影响[J].应用生态学报,2008,19(8):1702-1707.[35]刘景凯,刘世琦,冯磊,等.硅对青蒜苗生长、光合特性及品质的影响[J].植物营养与肥料学报,2014,20(4):989-997.

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Last Update: 2021-07-12