Acta Prataculturae Sinica ›› 2021, Vol. 30 ›› Issue (8): 60-72.DOI: 10.11686/cyxb2020273
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Yu-xia WANG(), Jin-long CHAI, Yang-yang ZHOU, Chang-lin XU, Lin WANG, Xiao-jun YU()
Received:
2020-06-15
Revised:
2020-08-25
Online:
2021-07-09
Published:
2021-07-09
Contact:
Xiao-jun YU
Yu-xia WANG, Jin-long CHAI, Yang-yang ZHOU, Chang-lin XU, Lin WANG, Xiao-jun YU. Effects of planting method on seed yield and its components in Medicago ruthenica in an arid area of Longzhong[J]. Acta Prataculturae Sinica, 2021, 30(8): 60-72.
处理 Treatment | 绝对高度Absolute altitude (cm) | 一级分枝数Number of first-order branches | 主枝直径Major branch diameter (mm) | ||||||
---|---|---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | 2017 | 2018 | 2019 | |
RP | 56.37±1.93a | 133.77±4.31a | 135.13±2.88a | 7.87±0.35a | 14.20±0.53a | 15.45±0.80a | 2.28±0.14a | 2.46±0.17a | 2.47±0.06a |
FP | 55.20±2.25a | 120.43±5.42b | 132.00±4.92a | 7.80±0.29a | 13.91±0.37a | 15.00±0.54a | 2.42±0.12a | 2.26±0.17ab | 2.45±0.02a |
RS | 32.43±1.12b | 112.53±3.48b | 130.71±1.74a | 5.07±0.19b | 12.86±0.67a | 13.64±0.31ab | 1.47±0.06c | 1.88±0.21b | 2.46±0.12a |
FS | 32.73±0.63b | 116.67±4.32b | 133.29±7.68a | 5.13±0.16b | 13.00±0.55a | 14.09±0.65a | 1.77±0.09b | 1.93±0.10b | 2.46±0.12a |
R0 | 31.67±1.15bc | 85.40±5.17c | 96.00±2.24b | 4.40±0.16c | 11.00±0.71b | 12.14±0.55bc | 1.39±0.04c | 1.88±0.13b | 1.88±0.17b |
F0 | 28.10±0.94c | 79.43±2.83c | 92.14±3.30b | 4.00±0.18c | 11.00±0.58b | 11.38±0.75c | 1.23±0.07c | 1.80±0.16b | 1.62±0.18b |
处理 Treatment | 节数Pitch number | 叶面积Leaf area (cm2) | 荚果长Pod length (cm) | ||||||
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | 2017 | 2018 | 2019 | |
RP | 18.73±0.61a | 33.50±0.56a | 34.44±0.47a | 1.10±0.06a | 1.12±0.41a | 1.10±0.02a | 13.45±0.18a | 14.73±0.30a | 13.82±0.33a |
FP | 17.20±0.34a | 32.67±0.80a | 33.00±0.69a | 0.96±0.05b | 1.02±0.30ab | 1.09±0.01a | 13.58±0.22a | 13.97±0.25a | 13.13±0.30a |
RS | 13.53±0.34a | 29.33±1.26b | 32.50±0.69a | 0.75±0.03cd | 0.88±0.26bc | 0.86±0.07ab | 10.98±0.20b | 12.97±0.28b | 12.05±0.32b |
FS | 14.63±0.31a | 31.00±1.03ab | 33.33±0.67a | 0.78±0.03c | 0.93±0.30bc | 0.93±0.03a | 11.00±0.19b | 13.03±0.33b | 12.12±0.32b |
R0 | 12.63±0.38a | 26.50±1.18c | 29.89±0.77b | 0.70±0.05cd | 0.87±0.34c | 0.84±0.05b | 10.58±0.25bc | 12.56±0.23bc | 11.85±0.26b |
R0 | 12.37±0.28a | 22.83±0.65d | 27.89±0.92b | 0.62±0.03d | 0.81±0.32c | 0.79±0.04b | 10.32±0.18c | 10.98±0.23c | 11.16±0.23b |
Table 1 Effects of different planting methods on the aboveground characteristics of M. ruthenica
处理 Treatment | 绝对高度Absolute altitude (cm) | 一级分枝数Number of first-order branches | 主枝直径Major branch diameter (mm) | ||||||
---|---|---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | 2017 | 2018 | 2019 | |
RP | 56.37±1.93a | 133.77±4.31a | 135.13±2.88a | 7.87±0.35a | 14.20±0.53a | 15.45±0.80a | 2.28±0.14a | 2.46±0.17a | 2.47±0.06a |
FP | 55.20±2.25a | 120.43±5.42b | 132.00±4.92a | 7.80±0.29a | 13.91±0.37a | 15.00±0.54a | 2.42±0.12a | 2.26±0.17ab | 2.45±0.02a |
RS | 32.43±1.12b | 112.53±3.48b | 130.71±1.74a | 5.07±0.19b | 12.86±0.67a | 13.64±0.31ab | 1.47±0.06c | 1.88±0.21b | 2.46±0.12a |
FS | 32.73±0.63b | 116.67±4.32b | 133.29±7.68a | 5.13±0.16b | 13.00±0.55a | 14.09±0.65a | 1.77±0.09b | 1.93±0.10b | 2.46±0.12a |
R0 | 31.67±1.15bc | 85.40±5.17c | 96.00±2.24b | 4.40±0.16c | 11.00±0.71b | 12.14±0.55bc | 1.39±0.04c | 1.88±0.13b | 1.88±0.17b |
F0 | 28.10±0.94c | 79.43±2.83c | 92.14±3.30b | 4.00±0.18c | 11.00±0.58b | 11.38±0.75c | 1.23±0.07c | 1.80±0.16b | 1.62±0.18b |
处理 Treatment | 节数Pitch number | 叶面积Leaf area (cm2) | 荚果长Pod length (cm) | ||||||
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | 2017 | 2018 | 2019 | |
RP | 18.73±0.61a | 33.50±0.56a | 34.44±0.47a | 1.10±0.06a | 1.12±0.41a | 1.10±0.02a | 13.45±0.18a | 14.73±0.30a | 13.82±0.33a |
FP | 17.20±0.34a | 32.67±0.80a | 33.00±0.69a | 0.96±0.05b | 1.02±0.30ab | 1.09±0.01a | 13.58±0.22a | 13.97±0.25a | 13.13±0.30a |
RS | 13.53±0.34a | 29.33±1.26b | 32.50±0.69a | 0.75±0.03cd | 0.88±0.26bc | 0.86±0.07ab | 10.98±0.20b | 12.97±0.28b | 12.05±0.32b |
FS | 14.63±0.31a | 31.00±1.03ab | 33.33±0.67a | 0.78±0.03c | 0.93±0.30bc | 0.93±0.03a | 11.00±0.19b | 13.03±0.33b | 12.12±0.32b |
R0 | 12.63±0.38a | 26.50±1.18c | 29.89±0.77b | 0.70±0.05cd | 0.87±0.34c | 0.84±0.05b | 10.58±0.25bc | 12.56±0.23bc | 11.85±0.26b |
R0 | 12.37±0.28a | 22.83±0.65d | 27.89±0.92b | 0.62±0.03d | 0.81±0.32c | 0.79±0.04b | 10.32±0.18c | 10.98±0.23c | 11.16±0.23b |
性状Trait | 年份Year | RP | FR | RS | FS | R0 | F0 |
---|---|---|---|---|---|---|---|
主根长度 Taproot length (cm) | 2017 | 30.13±3.43a | 27.38±1.32a | 19.17±1.17bc | 20.96±1.31b | 15.38±1.02c | 15.04±0.74c |
2018 | 117.71±4.05a | 113.20±3.56ab | 102.14±4.47bc | 106.10±3.29ab | 91.67±4.54cd | 85.33±7.60d | |
2019 | 129.14±0.88a | 127.15±0.60a | 117.20±1.69b | 118.38±0.63b | 106.50±1.89c | 102.67±0.71d | |
侧根数 Lateral root number | 2017 | 8.81±0.90a | 9.48±0.86a | 4.74±0.45b | 5.07±0.42b | 2.85±0.27c | 2.78±0.33c |
2018 | 16.00±0.72a | 15.86±1.10a | 13.00±1.17ab | 13.90±0.92ab | 12.00±1.14b | 11.83±1.85b | |
2019 | 18.71±0.29a | 17.29±0.18b | 13.60±0.40c | 14.13±0.23c | 13.50±0.22c | 12.67±0.21d | |
主根直径 Taproot diameter (mm) | 2017 | 9.39±0.40a | 7.64±0.28b | 4.98±0.12cd | 5.36±0.18c | 4.36±0.19de | 4.16±0.14e |
2018 | 11.07±0.60a | 9.54±0.38a | 8.01±0.69b | 8.36±0.63b | 7.99±0.80b | 7.47±0.59b | |
2019 | 11.92±0.27a | 11.00±0.21a | 9.13±0.15bc | 9.58±0.11b | 8.43±0.79c | 8.47±0.35c | |
根颈直径 Root collar diameter (mm) | 2017 | 3.11±0.22a | 3.17±0.17a | 2.15±0.12b | 2.08±0.13b | 1.77±0.11bc | 1.49±0.09c |
2018 | 16.31±0.92a | 15.04±0.28ab | 13.27±0.38bcd | 14.22±0.35bc | 12.61±0.65cd | 11.88±0.59d | |
2019 | 19.69±0.33a | 18.83±0.18ab | 18.14±0.38b | 18.81±0.24ab | 17.97±0.34b | 15.67±0.74c | |
根颈芽数 Root collar bud number | 2017 | 15.59±1.76a | 16.96±0.98a | 8.74±0.60b | 9.52±1.12b | 8.48±1.00b | 7.37±0.65b |
2018 | 68.00±3.13a | 66.57±2.10a | 55.20±1.02b | 63.00±0.87a | 54.50±1.31b | 48.67±2.16c | |
2019 | 69.86±1.90a | 67.29±4.14a | 49.40±3.3bc | 51.25±4.60b | 40.00±3.54bc | 38.17±4.39c |
Table 2 Effects of different planting methods on the underground characteristics of M. ruthenica
性状Trait | 年份Year | RP | FR | RS | FS | R0 | F0 |
---|---|---|---|---|---|---|---|
主根长度 Taproot length (cm) | 2017 | 30.13±3.43a | 27.38±1.32a | 19.17±1.17bc | 20.96±1.31b | 15.38±1.02c | 15.04±0.74c |
2018 | 117.71±4.05a | 113.20±3.56ab | 102.14±4.47bc | 106.10±3.29ab | 91.67±4.54cd | 85.33±7.60d | |
2019 | 129.14±0.88a | 127.15±0.60a | 117.20±1.69b | 118.38±0.63b | 106.50±1.89c | 102.67±0.71d | |
侧根数 Lateral root number | 2017 | 8.81±0.90a | 9.48±0.86a | 4.74±0.45b | 5.07±0.42b | 2.85±0.27c | 2.78±0.33c |
2018 | 16.00±0.72a | 15.86±1.10a | 13.00±1.17ab | 13.90±0.92ab | 12.00±1.14b | 11.83±1.85b | |
2019 | 18.71±0.29a | 17.29±0.18b | 13.60±0.40c | 14.13±0.23c | 13.50±0.22c | 12.67±0.21d | |
主根直径 Taproot diameter (mm) | 2017 | 9.39±0.40a | 7.64±0.28b | 4.98±0.12cd | 5.36±0.18c | 4.36±0.19de | 4.16±0.14e |
2018 | 11.07±0.60a | 9.54±0.38a | 8.01±0.69b | 8.36±0.63b | 7.99±0.80b | 7.47±0.59b | |
2019 | 11.92±0.27a | 11.00±0.21a | 9.13±0.15bc | 9.58±0.11b | 8.43±0.79c | 8.47±0.35c | |
根颈直径 Root collar diameter (mm) | 2017 | 3.11±0.22a | 3.17±0.17a | 2.15±0.12b | 2.08±0.13b | 1.77±0.11bc | 1.49±0.09c |
2018 | 16.31±0.92a | 15.04±0.28ab | 13.27±0.38bcd | 14.22±0.35bc | 12.61±0.65cd | 11.88±0.59d | |
2019 | 19.69±0.33a | 18.83±0.18ab | 18.14±0.38b | 18.81±0.24ab | 17.97±0.34b | 15.67±0.74c | |
根颈芽数 Root collar bud number | 2017 | 15.59±1.76a | 16.96±0.98a | 8.74±0.60b | 9.52±1.12b | 8.48±1.00b | 7.37±0.65b |
2018 | 68.00±3.13a | 66.57±2.10a | 55.20±1.02b | 63.00±0.87a | 54.50±1.31b | 48.67±2.16c | |
2019 | 69.86±1.90a | 67.29±4.14a | 49.40±3.3bc | 51.25±4.60b | 40.00±3.54bc | 38.17±4.39c |
处理 Treatment | 胞间CO2浓度 Intercellular CO2 concentration (Ci, ×10-6) | 净光合速率 Net photosynthetic rate (Pn, μmol·m-2·s-1) | 气孔导度 Stomatal conductance (Gs, μmol·m-2·s-1) | 蒸腾速率 Transpiration rate (Tr, mmol·m-2·s-1) | 水分利用率 Water utilization ratio (WUE, μmol·mmol-1) |
---|---|---|---|---|---|
RP | 263.65±3.75d | 24.79±0.72a | 502.42±12.14a | 17.35±0.57a | 1.51±0.08a |
FP | 276.48±6.62c | 22.13±0.25b | 491.02±16.97a | 16.47±0.60a | 1.41±0.06ab |
RS | 290.28±4.45b | 19.10±0.20c | 381.61±6.99bc | 14.68±0.18b | 1.31±0.02bc |
FS | 288.26±1.72b | 20.03±0.22c | 416.26±12.95b | 15.02±0.31b | 1.35±0.03b |
R0 | 313.29±3.83a | 17.79±0.48d | 371.35±24.67c | 13.97±0.21bc | 1.28±0.04bc |
F0 | 322.14±3.04a | 15.11±0.23e | 369.57±11.06c | 12.94±0.18c | 1.18±0.03c |
Table 3 Effects of different planting methods on photosynthetic index of M. ruthenica in the planting year
处理 Treatment | 胞间CO2浓度 Intercellular CO2 concentration (Ci, ×10-6) | 净光合速率 Net photosynthetic rate (Pn, μmol·m-2·s-1) | 气孔导度 Stomatal conductance (Gs, μmol·m-2·s-1) | 蒸腾速率 Transpiration rate (Tr, mmol·m-2·s-1) | 水分利用率 Water utilization ratio (WUE, μmol·mmol-1) |
---|---|---|---|---|---|
RP | 263.65±3.75d | 24.79±0.72a | 502.42±12.14a | 17.35±0.57a | 1.51±0.08a |
FP | 276.48±6.62c | 22.13±0.25b | 491.02±16.97a | 16.47±0.60a | 1.41±0.06ab |
RS | 290.28±4.45b | 19.10±0.20c | 381.61±6.99bc | 14.68±0.18b | 1.31±0.02bc |
FS | 288.26±1.72b | 20.03±0.22c | 416.26±12.95b | 15.02±0.31b | 1.35±0.03b |
R0 | 313.29±3.83a | 17.79±0.48d | 371.35±24.67c | 13.97±0.21bc | 1.28±0.04bc |
F0 | 322.14±3.04a | 15.11±0.23e | 369.57±11.06c | 12.94±0.18c | 1.18±0.03c |
处理 Treatment | 每枝花序数Inflorescence per branch | 每花序荚果数Number of pods per inflorescence | ||||
---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | |
RP | 20.13±0.46a | 46.83±1.78a | 42.00±2.96a | 8.21±0.21a | 11.75±0.14a | 9.53±0.29a |
FP | 19.67±0.29ab | 46.17±3.56a | 39.33±3.00a | 8.09±0.21a | 11.41±0.13a | 9.24±0.26a |
RS | 18.71±0.30bc | 43.50±2.87ab | 37.50±2.08a | 7.00±0.27b | 10.65±0.15bc | 9.05±0.22ab |
FS | 19.14±0.27ab | 44.17±3.05ab | 40.17±1.99a | 7.12±0.28b | 10.85±0.28b | 9.13±0.29a |
R0 | 18.00±0.38c | 38.50±2.69b | 36.67±2.64a | 5.64±0.31c | 10.21±0.19cd | 8.38±0.18bc |
F0 | 17.79±0.41c | 36.83±2.87b | 35.17±1.90a | 5.61±0.27c | 9.72±0.19d | 7.87±0.24c |
处理 Treatment | 每荚果种子数Seeds per pod | 种子千粒重Thousand-seed weight (g) | ||||
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | |
RP | 4.58±0.12a | 5.93±0.28a | 4.31±0.43a | 1.81±0.02a | 1.93±0.02a | 1.82±0.01a |
FP | 4.59±0.11a | 5.61±0.23ab | 4.25±0.43a | 1.80±0.03a | 1.94±0.01a | 1.81±0.03a |
RS | 3.99±0.10bc | 4.68±0.33bc | 3.54±0.24ab | 1.71±0.04b | 1.84±0.01b | 1.78±0.03ab |
FS | 4.02±0.09b | 4.75±0.26bc | 3.62±0.35ab | 1.78±0.02b | 1.86±0.02b | 1.79±0.03a |
R0 | 3.72±0.09c | 4.18±0.41c | 3.46±0.24ab | 1.63±0.04c | 1.85±0.02b | 1.78±0.03ab |
F0 | 3.71±0.09c | 4.14±0.36c | 3.08±0.29b | 1.62±0.01c | 1.81±0.01b | 1.76±0.03b |
Table 4 Effects of different planting methods on reproductive characteristics of M. ruthenica
处理 Treatment | 每枝花序数Inflorescence per branch | 每花序荚果数Number of pods per inflorescence | ||||
---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | |
RP | 20.13±0.46a | 46.83±1.78a | 42.00±2.96a | 8.21±0.21a | 11.75±0.14a | 9.53±0.29a |
FP | 19.67±0.29ab | 46.17±3.56a | 39.33±3.00a | 8.09±0.21a | 11.41±0.13a | 9.24±0.26a |
RS | 18.71±0.30bc | 43.50±2.87ab | 37.50±2.08a | 7.00±0.27b | 10.65±0.15bc | 9.05±0.22ab |
FS | 19.14±0.27ab | 44.17±3.05ab | 40.17±1.99a | 7.12±0.28b | 10.85±0.28b | 9.13±0.29a |
R0 | 18.00±0.38c | 38.50±2.69b | 36.67±2.64a | 5.64±0.31c | 10.21±0.19cd | 8.38±0.18bc |
F0 | 17.79±0.41c | 36.83±2.87b | 35.17±1.90a | 5.61±0.27c | 9.72±0.19d | 7.87±0.24c |
处理 Treatment | 每荚果种子数Seeds per pod | 种子千粒重Thousand-seed weight (g) | ||||
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | |
RP | 4.58±0.12a | 5.93±0.28a | 4.31±0.43a | 1.81±0.02a | 1.93±0.02a | 1.82±0.01a |
FP | 4.59±0.11a | 5.61±0.23ab | 4.25±0.43a | 1.80±0.03a | 1.94±0.01a | 1.81±0.03a |
RS | 3.99±0.10bc | 4.68±0.33bc | 3.54±0.24ab | 1.71±0.04b | 1.84±0.01b | 1.78±0.03ab |
FS | 4.02±0.09b | 4.75±0.26bc | 3.62±0.35ab | 1.78±0.02b | 1.86±0.02b | 1.79±0.03a |
R0 | 3.72±0.09c | 4.18±0.41c | 3.46±0.24ab | 1.63±0.04c | 1.85±0.02b | 1.78±0.03ab |
F0 | 3.71±0.09c | 4.14±0.36c | 3.08±0.29b | 1.62±0.01c | 1.81±0.01b | 1.76±0.03b |
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