氧化石墨烯对银白杨扦插苗生长的影响  

Effects of graphene oxide on the growth of Populus alba L.cutting plantlets

作　　者：曹慧芬 张晓 赵建国[2] 王海雁[2] 贾海宽 姚建忠 石源睿 边涛 张颖颖 刘霞 CAO Huifen;ZHANG Xiao;ZHAO Jianguo;WANG Haiyan;JIA Haikuan;YAO Jianzhong;SHI Yuanrui;BIAN Tao;ZHANG Yingying;LIU Xia(College of Life Science,Shanxi Datong University,Datong Shanxi 037009;Institute of Carbon Materials Science,Shanxi Datong University,Datong Shanxi 037009;National Fine Variety Base of Pinus sylvestris var.in Honghuaerji Forestry Bureau,Hulunbeir Inner Mongolia,021112;Sangganhe Test Bureau of Poplar High-yield Forest of Shanxi,Datong Shanxi 037006)

机构地区：[1]山西大同大学生命科学学院,山西大同037009 [2]山西大同大学炭材料研究所,山西大同037009 [3]红花尔基林业局国家樟子松良种基地,内蒙古呼伦贝尔021112 [4]山西省桑干河杨树丰产林实验局,山西大同037006

出　　处：《首都师范大学学报（自然科学版）》2021年第3期31-36,共6页Journal of Capital Normal University：Natural Science Edition

基　　金：山西省基础研究计划项目(201901D211437);山西省高等学校科技创新项目(2020L0467);2018年山西省科技成果转化引导专项项目(201804D131041);山西省优秀归国人才科研活动基金项目(2016⁃14);山西大同大学博士启动经费(2018⁃B⁃13);大学生创新创业训练计划项目(XDC2019237)。

摘　　要：为了研究石墨烯的生物效应,为其在林业生产应用提供指导.本文以银白杨(Populusalba L.)扦插苗为实验材料,采用室内盆栽方式,在土壤中施加不同质量浓度(0、10、20、50和100 mg/L)氧化石墨烯(GO)溶液后,分析植株生长情况、叶片光合荧光参数、根系形态和土壤肥力变化情况.与0相比,10、20、50和100 mg/LGO溶液处理后扦插苗地上部分株高和新生茎叶的质量分别增加了16.6%~62.1%和34.4%~61.7%(t=-6.13~-1.82,P<0.05),根部质量、总长度、总表面积、总投影面积和总体积分别增加了30.6%~126.1%、25.6%~124.0%、21.3%~113.4%、21.2%~119.3%和12.5%~112.5%(t=-6.35~-0.68,P<0.05),土壤有效磷质量分数分别提高了19.8%~57.4%(t=-1.25~0.78,P<0.05).土壤中施加GO溶液后,银白杨扦插苗地上部分、根系及土壤肥力近似以浓度依赖的方式得到提升.因此,推测GO溶液主要通过提高土壤肥力和改善根系生长状态促进银白杨扦插苗的生长.In order to study the biological effect of graphene,and provide guidance for its application in forestry production.In this paper,Populus alba L.cutting plantlet was selected as material for indoor potted experiment to analyze the biomass,the photosynthetic fluorescence parameters of leaves,root morphology and soil fertility after different mass concentrations(0,10,20,50 and 100 mg/L)of graphene oxide(GO)solution treatment in the soil.Compared with 0,the height of cutting plantlets and the mass of new stems and leaves of the10,20,50 and 100 mg/L GO solutions increased by 16.6%-62.1%and 34.4%-61.7%respectively(t=-6.13--1.82,P<0.05).The root mass,total root length,total surface area,total projected area and total volume increased by30.6%-126.1%,25.6%-124.0%,21.3%-113.4%,21.2%-119.3%and 12.5%-112.5%respectively(t=-6.35--0.68,P<0.05),soil available phosphorus content increased by 19.8%-57.4%(t=-1.25-0.78,P<0.05),respectively.After GO solution was applied to the soil,the growth state of the aerial part and root system and soil fertility was improved in an approximate concentration-dependent manner.Therefore,it was speculated that GO solution promoted the growth of silver aspen cuttings mainly by improving soil fertility and root growth state.

关 键 词：氧化石墨烯 银白杨 扦插苗 根系形态 光合荧光 土壤肥力 

分 类 号：S718[农业科学—林学]