Acta Prataculturae Sinica ›› 2022, Vol. 31 ›› Issue (7): 15-27.DOI: 10.11686/cyxb2021231
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Zhi-xin YANG1,3(), Xu ZHENG1,3, Lai-bao CHEN1,3, Yong-xin YU1,3, Feng-hua ZHANG1,2, Lu-hua LI1,2, Jia-ping WANG1,2,3()
Received:
2021-06-09
Revised:
2021-10-11
Online:
2022-07-20
Published:
2022-06-01
Contact:
Jia-ping WANG
Zhi-xin YANG, Xu ZHENG, Lai-bao CHEN, Yong-xin YU, Feng-hua ZHANG, Lu-hua LI, Jia-ping WANG. Morphological adaptation strategies of Rumex hanus planted in saline-alkali land of arid areas[J]. Acta Prataculturae Sinica, 2022, 31(7): 15-27.
土壤深度 Soil depth (cm) | 7月July | 10月October | ||
---|---|---|---|---|
细根长度比例 Fine root length ratio | 细根生物量比例 Fine root biomass ratio | 细根长度比例 Fine root length ratio | 细根生物量比例 Fine root biomass ratio | |
0~10 | 94.90±3.01a | 1.30±0.12f | 97.36±2.81a | 1.35±0.18g |
10~20 | 95.09±2.38a | 3.96±0.79e | 97.91±1.38a | 2.01±0.95f |
20~30 | 95.24±4.21a | 6.64±1.24d | 88.78±8.73b | 4.16±0.49e |
30~40 | 95.48±1.13a | 15.70±3.56c | 88.64±0.92b | 5.22±1.09e |
40~50 | 91.54±5.30a | 54.84±19.11ab | 87.52±8.03b | 53.47±13.86c |
50~60 | 93.46±1.78a | 70.58±15.54a | 88.08±5.41b | 33.63±10.12d |
60~70 | 95.27±2.76a | 84.31±17.17a | 84.51±7.23b | 29.26±5.45d |
70~80 | 98.95±0.21a | 81.06±12.81a | 83.62±7.17b | 40.74±13.09cd |
80~90 | 97.25±1.14a | 77.78±18.49a | 85.82±8.23b | 45.41±6.49c |
90~100 | - | 100.00±0.00a | 94.21±5.02a | 63.30±4.90b |
100~110 | - | - | 97.24±2.59a | 86.61±9.21a |
Table 1 The length and biomass ratio of fine roots of R. hanus in different soil depths (%)
土壤深度 Soil depth (cm) | 7月July | 10月October | ||
---|---|---|---|---|
细根长度比例 Fine root length ratio | 细根生物量比例 Fine root biomass ratio | 细根长度比例 Fine root length ratio | 细根生物量比例 Fine root biomass ratio | |
0~10 | 94.90±3.01a | 1.30±0.12f | 97.36±2.81a | 1.35±0.18g |
10~20 | 95.09±2.38a | 3.96±0.79e | 97.91±1.38a | 2.01±0.95f |
20~30 | 95.24±4.21a | 6.64±1.24d | 88.78±8.73b | 4.16±0.49e |
30~40 | 95.48±1.13a | 15.70±3.56c | 88.64±0.92b | 5.22±1.09e |
40~50 | 91.54±5.30a | 54.84±19.11ab | 87.52±8.03b | 53.47±13.86c |
50~60 | 93.46±1.78a | 70.58±15.54a | 88.08±5.41b | 33.63±10.12d |
60~70 | 95.27±2.76a | 84.31±17.17a | 84.51±7.23b | 29.26±5.45d |
70~80 | 98.95±0.21a | 81.06±12.81a | 83.62±7.17b | 40.74±13.09cd |
80~90 | 97.25±1.14a | 77.78±18.49a | 85.82±8.23b | 45.41±6.49c |
90~100 | - | 100.00±0.00a | 94.21±5.02a | 63.30±4.90b |
100~110 | - | - | 97.24±2.59a | 86.61±9.21a |
土壤深度 Soil depth (cm) | 月份 Month | 细根长度比例 Fine root length ratio (%) | |||
---|---|---|---|---|---|
0~5 cm | 5~15 cm | 15~25 cm | 25~35 cm | ||
0~20 | 7 | 4.31±0.41b | 37.27±2.72a | 42.15±2.14b | 17.79±1.15a |
10 | 6.57±0.86a | 35.17±6.93a | 53.81±3.22a | 7.41±0.83b | |
20~40 | 7 | 6.47±2.05b | 45.81±5.04a | 39.51±4.91a | 10.63±1.74a |
10 | 31.33±7.17a | 36.62±10.66a | 29.21±4.36b | 4.69±0.61b | |
40~60 | 7 | 4.09±0.23a | 33.71±4.14b | 55.63±4.06a | 9.02±1.22a |
10 | 4.27±0.71a | 52.27±8.52a | 38.27±1.61b | 5.18±1.14b | |
60~80 | 7 | 13.69±2.36a | 28.09±5.09b | 51.94±4.97a | 8.08±0.73a |
10 | 10.15±2.12a | 58.84±7.24a | 29.17±2.19b | 3.94±0.55b |
Table 2 Ratio of the fine roots length of R. hanus within 0-35 cm from the horizontal distance of the plant
土壤深度 Soil depth (cm) | 月份 Month | 细根长度比例 Fine root length ratio (%) | |||
---|---|---|---|---|---|
0~5 cm | 5~15 cm | 15~25 cm | 25~35 cm | ||
0~20 | 7 | 4.31±0.41b | 37.27±2.72a | 42.15±2.14b | 17.79±1.15a |
10 | 6.57±0.86a | 35.17±6.93a | 53.81±3.22a | 7.41±0.83b | |
20~40 | 7 | 6.47±2.05b | 45.81±5.04a | 39.51±4.91a | 10.63±1.74a |
10 | 31.33±7.17a | 36.62±10.66a | 29.21±4.36b | 4.69±0.61b | |
40~60 | 7 | 4.09±0.23a | 33.71±4.14b | 55.63±4.06a | 9.02±1.22a |
10 | 4.27±0.71a | 52.27±8.52a | 38.27±1.61b | 5.18±1.14b | |
60~80 | 7 | 13.69±2.36a | 28.09±5.09b | 51.94±4.97a | 8.08±0.73a |
10 | 10.15±2.12a | 58.84±7.24a | 29.17±2.19b | 3.94±0.55b |
指标 Index | 根长增加量 Root length increment | 根体积增加量 Root volume increment | 根生物量增加量 Root biomass increment |
---|---|---|---|
电导率减少量Electrical conductivity decrement | 0.76** | 0.33 | 0.67* |
根长增加量Root length increment | 0.40 | 0.62 | |
根体积增加量Root volume increment | 0.82** |
Table 3 Correlation analysis of root indicators of R. hanus and soil electrical conductivity
指标 Index | 根长增加量 Root length increment | 根体积增加量 Root volume increment | 根生物量增加量 Root biomass increment |
---|---|---|---|
电导率减少量Electrical conductivity decrement | 0.76** | 0.33 | 0.67* |
根长增加量Root length increment | 0.40 | 0.62 | |
根体积增加量Root volume increment | 0.82** |
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