氮素缓解春小麦花后高温早衰的荧光特性研究

坚天才,吴宏亮,康建宏,李鑫,刘根红,陈倬,高娣

Fluorescence Characteristics Study of Nitrogen in Alleviating Premature Senescence of Spring Wheat at High Temperature After Anthesis

JIAN TianCai,WU HongLiang,KANG JianHong,LI Xin,LIU GenHong,CHEN Zhuo,GAO Di

表5 产量与叶绿素、叶片含氮量和各荧光指标之间的相关性

Table 5 Correlation between yield and chlorophyll, leaf nitrogen and fluorescence indexes

年份 Year 指标 Indicator 叶片含氮量 Leaf nitrogen 叶绿素a Chlorophyll a 叶绿素b Chlorophyll b ABS/RC TR0/RC ET0/RC DI0/RC PI Fv/Fm Fv/F0 2019 产量 Yield 0.683* 0.453* 0.529* 0.836** 0.857** 0.728** -0.883** 0.608** 0.825** 0.749** 2020 0.468** 0.552** 0.324* 0.633* 0.415** 0.941* -0.682** 0.711** 0.693** 0.675**