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3 不同氮肥和温度处理对春小麦VJ、ψ0、φE0和φD0的影响

Table 3 Effects of different nitrogen fertilizer and temperature treatments on VJ,ψ0,φE0 and φD0 of spring wheat

年份 温度 Temperature 氮肥 Nitrogenous 花后不同时间的荧光参数 Fluorescence parameters at different time after flowering VJ ψ0 φE0 φD0 25 d 30 d 25 d 30 d 25 d 30 d 25 d 30 d 2019 CK N0 0.69ab 0.79ab 0.22b 0.10c 0.20b 0.11d 0.33b 0.55a N1 0.74ab 0.78ab 0.26b 0.22b 0.24b 0.12d 0.32b 0.43b N2 0.79a 0.72bc 0.31ab 0.28ab 0.27ab 0.20b 0.34b 0.30c N3 0.63b 0.67c 0.37a 0.33a 0.30a 0.25a 0.20d 0.24d N4 0.67b 0.72bc 0.33ab 0.28ab 0.24b 0.19b 0.26c 0.30c HT N0 0.82a 0.87a 0.18b 0.23b 0.09d 0.15c 0.39a 0.37bc N1 0.79a 0.85a 0.20b 0.15bc 0.13c 0.17bc 0.37a 0.57a N2 0.69ab 0.81a 0.30ab 0.19bc 0.22b 0.13cd 0.26c 0.35bc N3 0.67b 0.69bc 0.33ab 0.30a 0.26ab 0.22b 0.22d 0.28cd N4 0.68b 0.82a 0.32ab 0.18bc 0.26ab 0.11d 0.26c 0.39bc 2020 CK N0 0.58bc 0.60d 0.22c 0.20d 0.24c 0.20b 0.20e 0.25d N1 0.70a 0.68bc 0.30c 0.32b 0.16e 0.23ab 0.28c 0.29b N2 0.58bc 0.64c 0.40ab 0.36a 0.30ab 0.27a 0.32b 0.30c N3 0.48c 0.54d 0.42a 0.30b 0.32a 0.25a 0.25d 0.20e N4 0.57bc 0.65c 0.43a 0.31b 0.27b 0.26a 0.16f 0.24d HT N0 0.61b 0.84a 0.29c 0.18d 0.28b 0.12c 0.27d 0.28b N1 0.68b 0.73b 0.38b 0.21cd 0.19d 0.19b 0.29c 0.30c N2 0.62b 0.70b 0.38b 0.30b 0.27b 0.21ab 0.21e 0.35a N3 0.48c 0.64c 0.42a 0.36a 0.34a 0.27a 0.39a 0.25d N4 0.62b 0.68bc 0.38b 0.26c 0.21c 0.20b 0.26d 0.32a 2019 方差分析 Variance analysis 温度 Temperature (T) ** ** ** ** 施氮量 Nitrogenous (N) NS NS NS ** 温度×施氮量 T×N * ** ** ** 2020 方差分析 Variance analysis 温度 Temperature (T) ** ** ** ** 施氮量 Nitrogenous (N) NS * NS ** 温度×施氮量 T×N * ** ** **