外源褪黑素对干旱胁迫下大豆鼓粒期生理和产量的影响

邹京南,于奇,金喜军,王明瑶,秦彬,任春元,王孟雪,张玉先

Effects of exogenous melatonin on physiology and yield of soybean during seed filling stage under drought stress

Jing-Nan ZOU,Qi YU,Xi-Jun JIN,Ming-Yao WANG,Bin QIN,Chun-Yuan REN,Meng-Xue WANG,Yu-Xian ZHANG

图2 外源褪黑素对干旱胁迫下大豆鼓粒期叶片叶绿素荧光参数的影响 A: 光系统II光能转换效率; B: 光化学猝灭系数; C: 表观电子传递速率; D: 非光化学猝灭系数; E: 光系统II实际光化学效率; F: 光系统II实际最大光能转化效率。标以不同字母的柱值在P < 0.05水平上差异显著。缩写同图1。

Fig. 2 Effects of exogenous melatonin on chlorophyll fluorescence parameters of soybean during seed filling stage under drought stress A: photosystem II light energy conversion efficiency; B: photochemical quenching coefficient; C: apparent electron transfer rate; D: non-photochemical quenching coefficient; E: photosystem II actual photochemical efficiency; F: the actual maximum light energy conversion efficiency of photo system II. Bars superscripted by different letters are significantly different at P < 0.05. Abbreviations are the same as those given in Fig. 1.