外源褪黑素对干旱胁迫下春大豆品种绥农26形态、光合生理及产量的影响

张明聪, 何松榆, 秦彬, 王孟雪, 金喜军, 任春元, 吴耀坤, 张玉先

Effects of exogenous melatonin on morphology, photosynthetic physiology, and yield of spring soybean variety Suinong 26 under drought stress

ZHANG Ming-Cong, HE Song-Yu, QIN Bin, WANG Meng-Xue, JIN Xi-Jun, REN Chun-Yuan, WU Yao-Kun, ZHANG Yu-Xian

表1 外源褪黑素对干旱胁迫下大豆株高和叶面积的影响

Table 1 Effects of exogenous melatonin on plant height and leaf area under drought stress in soybean

指标 Index	年份 Year	处理 Treatment	V2		V4
指标 Index	年份 Year	处理 Treatment	4 d	8 d	4 d	8 d
株高 Plant height (cm)	2018	CK	16.76±0.85 a	18.33±0.40 a	21.10±2.55 a	27.63±1.62 a
		D	14.87±0.55 b	15.36±0.31 c	17.360±1.05 b	24.03±1.90 b
		LM	16.03±0.41 a	16.27±0.41 b	17.80±1.99 ab	25.26±0.64 ab
		RM	16.27±0.45 a	16.56±0.61 b	19.20±0.96 ab	25.33±0.76 ab
	2019	CK	17.67±0.91 a	18.47±1.17 a	23.87±0.42 ab	30.00±1.87 a
		D	15.23±0.75 b	15.77±0.40 a	20.47±0.06 c	25.37±2.41 b
		LM	17.30±1.75 ab	17.43±1.12 a	22.90±1.31 b	29.00±0.36 a
		RM	16.93±1.08 ab	17.03±2.45 a	24.67±1.04 a	25.77±0.64 b
叶面积 Leaf area (mm²)	2018	CK	4308.4±166 a	5188.4±123 a	8601.8±157 a	9825.2±173 a
		D	2735.5±223 c	3674.9±137 d	5728.9±157 c	6121.5±98 c
		LM	3412.1±160 b	4404.0±170 c	5775.9±152 c	6410.2±156 b
		RM	3505.1±134 b	4820.9±117 b	6247.5±216 b	6174.6±96 bc
	2019	CK	4115.2±284 a	5246.1±111 a	9143.6±282 a	13,317.6±153 a
		D	2708.2±131 c	2924.1±137 c	5749.3±143 c	6664.6±216 b
		LM	3312.1±183 b	3442.4±150 b	7290.5±190 b	7575.9±203 b
		RM	3521.4±124 b	3655.2±152 b	7398.0±224 b	7727.0±154 b