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
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张明聪, 何松榆, 秦彬, 王孟雪, 金喜军, 任春元, 吴耀坤, 张玉先
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Effects of exogenous melatonin on morphology, photosynthetic physiology, and yield of spring soybean variety Suinong 26 under drought stress
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ZHANG Ming-Cong, HE Song-Yu, QIN Bin, WANG Meng-Xue, JIN Xi-Jun, REN Chun-Yuan, WU Yao-Kun, ZHANG Yu-Xian
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表3 外源褪黑素对干旱胁迫下大豆苗期干物质积累的影响
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Table 3 Effects of exogenous melatonin on dry matter accumulation under drought stress in soybean
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指标
Index | 年份
Year | 处理
Treatment | V2 | V4 | | 4 d | 8 d | 4 d | 8 d | 叶重
Leaf weight
(g) | 2018 | CK | 1.16±0.05 a | 1.33±0.08 a | 1.27±0.17 a | 1.81±1.62 a | | D | 0.81±0.03 c | 0.98±0.02 b | 0.61±0.03 c | 0.80±1.90 b | | LM | 0.99±0.02 b | 1.10±0.09 b | 0.99±0.05 b | 0.81±0.64 b | | RM | 1.03±0.05 b | 1.11±0.08 b | 1.07±0.11 b | 0.93±0.76 b | | 2019 | CK | 1.11±0.21 a | 1.09±0.03 a | 2.03±0.21 a | 2.82±0.31 a | | D | 0.47±0.08 c | 0.82±0.05 c | 1.39±0.09 c | 1.73±0.24 b | | LM | 0.61±0.01 bc | 0.89±0.01 b | 1.64±0.13 bc | 2.04±0.61 b | | RM | 0.72±0.10 b | 0.95±0.05 b | 1.92±0.21 ab | 2.14±0.32 ab | 茎重
Stem weight (g) | 2018 | CK | 1.05±0.06 a | 1.23±0.09 a | 1.18±0.28 a | 1.47±5.03 a | | D | 0.78±0.01 b | 0.87±0.06 c | 0.63±0.03 b | 0.57±1.9 c | | LM | 0.81±0.02 b | 1.04±0.09 bc | 0.60±0.03 b | 0.88±4.2 b | | RM | 0.83±0.01 b | 1.09±0.13 ab | 0.71±0.04 b | 0.94±1.42 b | | 2019 | CK | 0.62±0.10 a | 1.01±0.24 a | 1.49±0.09 a | 2.08±0.19 a | | D | 0.44±0.02 b | 0.39±0.06 c | 0.91±0.02 b | 1.37±0.25 b | | LM | 0.51±0.01 b | 0.53±0.04 bc | 1.33±0.09 a | 1.53±0.13 b | | RM | 0.52±0.01 b | 0.64±0.07 b | 1.43±0.16 a | 1.62±0.19 b | 根重
Root weight (g) | 2018 | CK | 1.43±0.03 a | 1.68±0.06 a | 1.75±0.25 a | 2.28±0.24 a | | D | 1.25±0.05 c | 1.34±0.05 c | 1.22±0.03 b | 1.24±0.05 c | | LM | 1.32±0.03 b | 1.48±0.03 b | 1.28±0.07 b | 1.61±0.03 b | | RM | 1.35±0.01 b | 1.49±0.02 b | 1.56±0.05 a | 1.65±0.03 b | | 2019 | CK | 1.21±0.19 a | 1.31±0.03 a | 2.31±0.05 a | 3.19±0.40 a | | D | 0.64±0.14 b | 1.03±0.02 b | 2.05±0.01 b | 2.26±0.23 b | | LM | 0.81±0.06 b | 1.25±0.07 a | 2.31±0.03 a | 2.86±0.17 a | | RM | 0.87±0.12 b | 1.27±0.08 a | 2.29±0.23 a | 2.98±0.31 a | 总重
Total weight (g) | 2018 | CK | 3.65±0.11 a | 4.25±0.12 a | 4.21±0.47 a | 5.55±0.81 a | | D | 2.85±0.01 c | 3.20±0.01 c | 2.46±0.09 c | 2.61±0.15 b | | LM | 3.12±0.01 b | 3.63±0.01 b | 2.91±0.73 bc | 3.30±0.06 b | | RM | 3.22±0.06 b | 3.69±0.06 b | 3.33±0.19 b | 3.39±0.11 b | | 2019 | CK | 3.34±0.64 a | 3.01±0.15 a | 5.84±0.17 a | 8.10±0.53 a | | D | 1.49±0.10 c | 2.29±0.09 c | 4.36±0.11 b | 5.36±0.66 c | | LM | 1.94±0.14 bc | 2.67±0.08 b | 5.28±0.19 ab | 6.44±0.61 bc | | RM | 2.24±0.77 b | 2.75±0.12 b | 5.64±0.59 ab | 6.75±0.82 b |
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