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6 不同处理下产量、叶绿素、叶片含氮量和各荧光指标的方差分析

Table 6 Variance analysis of yield, chlorophyll, leaf nitrogen and fluorescence indexes under different treatments

年份Year	变异来源 Source of variance	产量 Yield	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
2019	温度Temperature (T)	**	NS	**	**	NS	NS	NS	**
	施氮量Nitrogen application rate (N)	**	**	**	**	**	**	**	**
	氮肥×温度(N×T)	**	*	**	**	*	*	**	**
2020	温度Temperature (T)	**	*	**	**	NS	NS	NS	*
	施氮量Nitrogen rate (N)	**	**	**	**	**	**	**	**
	氮肥×温度(N×T)	**	*	**	**	*	NS	*	*