光谱对水稻灌浆期剑叶光合及叶绿素荧光特性的影响

李江鹏,刘海俊,黄志午,刘晓英,尤杰,徐志刚

Effects of Spectral Distribution on Photosynthetic and Chlorophyll Fluorescence Characteristics of Flag Leaves at Grain Filling Stage in Rice

JiangPeng LI,HaiJun LIU,ZhiWu HUANG,XiaoYing LIU,Jie YOU,ZhiGang XU

表3 光谱分布对叶绿素荧光参数的影响

Table 3 Effects of spectral distribution on chlorophyll fluorescence parameters

指标Index R660 R630 B460 B440 最大光化学效率Fv/Fm 0.811±0.002b 0.814±0.001ab 0.819±0.002a 0.818±0.002aa 光下最大光化学效率Fv'/Fm' 0.591±0.025aa 0.608±0.018a 0.555±0.005a 0.591±0.010a 实际光化学效率ΦPSⅡⅡ 0.436±0.023ab 0.406±0.010b 0.434±0.003ab 0.469±0.009a 电子传递速率ETR 124.17±6.66abab 115.18±2.95b 123.41±0.89ab 133.17±2.72a 非光化学淬灭NPQ 0.805±0.117bb 1.030±0.150ab 1.238±0.056a 1.008±0.049ab 1-qP 0.263±0.014bb 0.328±0.031a 0.217±0.008bc 0.208±0.006c 光化学淬灭系数qP 0.737±0.014bb 0.672±0.031c 0.783±0.008abb 0.792±0.006a