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

表1 外源褪黑素对干旱胁迫下鼓粒期大豆产量以及减产率和缓解率的影响

Table 1 Effect of exogenous melatonin on soybean yield and yield reduction rate and remission rate in seed filling stage under drought stress

年份 Year 处理 Treatment 单株荚数 Pods per plant 单株粒数 Seeds per pod 单株粒重 Grain weight per plant (g) 百粒重 Hundred grain weigh (g) 减产率 Yield reduction rate (%) 缓解率 Remission rate (%) 2017 MT+D 24.80±1.52 a 46.63±6.92 a 9.75±0.83 b 16.55±2.21 b D 24.32±2.15 a 46.27±4.47 a 8.61±1.42 bc 14.01±1.19 c -24.6 9.9 WW 25.80±1.40 a 47.70±3.40 a 11.42±1.89 a 20.78±0.83 a 2018 MT+D 22.08±0.64 ab 42.53±1.90 ab 7.01±0.72 c 16.11±1.24 b D 21.23±0.75 ab 42.13±1.98 ab 6.03±0.43 cd 13.76±0.91 c -36.3 10.3 WW 22.54±0.14 ab 42.67±2.63 ab 9.47±0.27 b 21.52±0.91 a