曹嘉晨;郑有飞;赵辉;徐静馨;

• 1:南京信息工程大学江苏省大气环境与装备技术协同创新中心
• 2:南京信息工程大学环境科学与工程学院
• 3:南京信息工程大学大气物理学院

摘要(Abstract)：

我国近地层臭氧污染日趋严重,其不断增加的浓度对农作物的生长造成了严重威胁。以冬小麦和大豆为研究对象,基于大田开顶式气室(OTC)试验,分别设置对照(CK)、100 n L·L~(-1)和150 n L·L~(-1)这3个O3浓度处理组,对2种作物生长指标和产量等参数连续观测,结果表明:O3浓度增加对冬小麦和大豆的株高、叶面积和生物量产生影响,并且对大豆的影响更为明显。与此同时,O3浓度增加使得冬小麦的穗重、穗粒数以及大豆的单株荚数、单株粒数、单株粒重都呈现大幅度下降状态,进而导致其产量降低。在100 n L·L~(-1)臭氧处理下,冬小麦产量较CK降低了12.89%,而大豆产量下降了23.76%。在150 n L·L~(-1)的臭氧处理下,冬小麦产量较对照组降低了29.23%,大豆则比对照组下降了41.57%,与CK相比,大豆产量下降更为明显。上述研究表明,臭氧污染对农作物的生长具有显著影响,且大豆对O3的反应比冬小麦敏感。

关键词(KeyWords)： 臭氧浓度;冬小麦;大豆;生长;产量

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金面上项目(41475108,41575110)

作者(Author): 曹嘉晨;郑有飞;赵辉;徐静馨;

Email:

DOI:

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