Acta Prataculturae Sinica ›› 2024, Vol. 33 ›› Issue (11): 161-171.DOI: 10.11686/cyxb2024065
Jing-bo YU(), Hui-li ZHANG, Jin LI, Hao GUAN, Qing-ping ZHOU, Shi-yong CHEN()
Received:
2024-02-27
Revised:
2024-04-08
Online:
2024-11-20
Published:
2024-09-09
Contact:
Shi-yong CHEN
Jing-bo YU, Hui-li ZHANG, Jin LI, Hao GUAN, Qing-ping ZHOU, Shi-yong CHEN. A multi-trait evaluation of phosphorus efficiency of 38 forage oat cultivars at the seedling stage[J]. Acta Prataculturae Sinica, 2024, 33(11): 161-171.
序号 No. | 品种Cultivar | 序号 No. | 品种Cultivar | 序号 No. | 品种Cultivar |
---|---|---|---|---|---|
1 | 泰克Taike | 14 | 甜燕70 Sweet oat 70 | 27 | 梦龙Magnum |
2 | 青引2号Qingyin No. 2 | 15 | 多能 Duoneng | 28 | 燕王Forage plus |
3 | 青燕1号Qingyan No. 1 | 16 | 摄政王Prince regent | 29 | 领袖Souris |
4 | 哈维Haywire | 17 | 摩根Mogen | 30 | 骏马Cayuse |
5 | 猛士1号Mengshi No.1 | 18 | 莫妮卡Monica | 31 | 太阳神Titan |
6 | 青引1号Qingyin No. 1 | 19 | 蓝鸟1号Lanniao No. 1 | 32 | 科纳Kona |
7 | 青海甜燕麦Qinghai sweet oat | 20 | 甜燕60 Sweet oat 60 | 33 | 定燕2号Dingyan No. 2 |
8 | 甜燕75 Sweet oat 75 | 21 | 禾王King cereals | 34 | 甜燕2+ Sweet oat 2+ |
9 | 英迪米特Intimidator | 22 | 白燕7号Baiyan No. 7 | 35 | 甜燕1号Sweet oat No. 1 |
10 | 锋利Sharp | 23 | 陇燕5号Longyan No. 5 | 36 | 蒙燕1号Mengyan No. 1 |
11 | 青海444 Qinghai No. 444 | 24 | 旗帜 Flag | 37 | 魅力Charisma |
12 | 甜燕3号Sweet oat No. 3 | 25 | 优牧1号Youmu No. 1 | 38 | 白燕14 Baiyan No. 14 |
13 | 悍马Hanma | 26 | 边锋Blade |
Table 1 The oat cultivars in the study
序号 No. | 品种Cultivar | 序号 No. | 品种Cultivar | 序号 No. | 品种Cultivar |
---|---|---|---|---|---|
1 | 泰克Taike | 14 | 甜燕70 Sweet oat 70 | 27 | 梦龙Magnum |
2 | 青引2号Qingyin No. 2 | 15 | 多能 Duoneng | 28 | 燕王Forage plus |
3 | 青燕1号Qingyan No. 1 | 16 | 摄政王Prince regent | 29 | 领袖Souris |
4 | 哈维Haywire | 17 | 摩根Mogen | 30 | 骏马Cayuse |
5 | 猛士1号Mengshi No.1 | 18 | 莫妮卡Monica | 31 | 太阳神Titan |
6 | 青引1号Qingyin No. 1 | 19 | 蓝鸟1号Lanniao No. 1 | 32 | 科纳Kona |
7 | 青海甜燕麦Qinghai sweet oat | 20 | 甜燕60 Sweet oat 60 | 33 | 定燕2号Dingyan No. 2 |
8 | 甜燕75 Sweet oat 75 | 21 | 禾王King cereals | 34 | 甜燕2+ Sweet oat 2+ |
9 | 英迪米特Intimidator | 22 | 白燕7号Baiyan No. 7 | 35 | 甜燕1号Sweet oat No. 1 |
10 | 锋利Sharp | 23 | 陇燕5号Longyan No. 5 | 36 | 蒙燕1号Mengyan No. 1 |
11 | 青海444 Qinghai No. 444 | 24 | 旗帜 Flag | 37 | 魅力Charisma |
12 | 甜燕3号Sweet oat No. 3 | 25 | 优牧1号Youmu No. 1 | 38 | 白燕14 Baiyan No. 14 |
13 | 悍马Hanma | 26 | 边锋Blade |
指标 Index | 正常处理Normal phosphorus | 低磷处理Low phosphorus | ||||||
---|---|---|---|---|---|---|---|---|
最小值 Minimum | 最大值 Maximum | 平均值±标准差 Mean±SD | 变异系数 CV (%) | 最小值 Minimum | 最大值 Maximum | 平均值±标准差 Mean±SD | 变异系数CV (%) | |
株高PH (cm) | 30.00 | 69.40 | 56.18±7.35a | 13.15 | 27.00 | 67.03 | 51.79±8.38b | 16.25 |
地上部干重SDW (g·plant-1) | 0.06 | 0.40 | 0.24±0.08a | 35.02 | 0.05 | 0.29 | 0.16±0.06b | 34.51 |
地下部干重RDW (g·plant-1) | 0.02 | 0.13 | 0.07±0.02a | 32.54 | 0.01 | 0.15 | 0.06±0.03a | 41.18 |
生物量TDW (g·plant-1) | 0.08 | 0.51 | 0.30±0.10a | 32.74 | 0.08 | 0.40 | 0.23±0.07b | 30.48 |
根冠比RSR | 0.12 | 0.57 | 0.30±0.08b | 27.02 | 0.04 | 1.08 | 0.42±0.19a | 46.11 |
总根长TRL (cm) | 149.23 | 1220.39 | 535.12±243.24b | 45.66 | 166.08 | 1558.65 | 701.68±266.35a | 38.13 |
根表面积RSA (cm2) | 15.44 | 111.54 | 54.66±22.53a | 41.41 | 17.40 | 133.94 | 61.74±20.87a | 33.96 |
根体积RV (cm3) | 0.11 | 0.86 | 0.45±0.18a | 40.90 | 0.15 | 0.92 | 0.44±0.14a | 32.87 |
根直径RD (mm) | 0.25 | 0.50 | 0.33±0.04a | 12.97 | 0.22 | 0.38 | 0.29±0.03b | 10.98 |
根投影面积RPA (cm2) | 4.91 | 35.55 | 17.40±7.24a | 41.81 | 5.54 | 42.63 | 19.56±6.71a | 34.44 |
根尖数RT | 181.00 | 3697.00 | 1210.22±665.61b | 55.24 | 343.00 | 4336.00 | 1681.00±824.06a | 49.24 |
根分叉数RF | 78.00 | 3342.00 | 1335.88±740.45a | 55.67 | 168.00 | 5024.00 | 1476.56±812.01a | 55.24 |
Table 2 Variation analysis of various traits of oat cultivars at different levels of phosphorus supply
指标 Index | 正常处理Normal phosphorus | 低磷处理Low phosphorus | ||||||
---|---|---|---|---|---|---|---|---|
最小值 Minimum | 最大值 Maximum | 平均值±标准差 Mean±SD | 变异系数 CV (%) | 最小值 Minimum | 最大值 Maximum | 平均值±标准差 Mean±SD | 变异系数CV (%) | |
株高PH (cm) | 30.00 | 69.40 | 56.18±7.35a | 13.15 | 27.00 | 67.03 | 51.79±8.38b | 16.25 |
地上部干重SDW (g·plant-1) | 0.06 | 0.40 | 0.24±0.08a | 35.02 | 0.05 | 0.29 | 0.16±0.06b | 34.51 |
地下部干重RDW (g·plant-1) | 0.02 | 0.13 | 0.07±0.02a | 32.54 | 0.01 | 0.15 | 0.06±0.03a | 41.18 |
生物量TDW (g·plant-1) | 0.08 | 0.51 | 0.30±0.10a | 32.74 | 0.08 | 0.40 | 0.23±0.07b | 30.48 |
根冠比RSR | 0.12 | 0.57 | 0.30±0.08b | 27.02 | 0.04 | 1.08 | 0.42±0.19a | 46.11 |
总根长TRL (cm) | 149.23 | 1220.39 | 535.12±243.24b | 45.66 | 166.08 | 1558.65 | 701.68±266.35a | 38.13 |
根表面积RSA (cm2) | 15.44 | 111.54 | 54.66±22.53a | 41.41 | 17.40 | 133.94 | 61.74±20.87a | 33.96 |
根体积RV (cm3) | 0.11 | 0.86 | 0.45±0.18a | 40.90 | 0.15 | 0.92 | 0.44±0.14a | 32.87 |
根直径RD (mm) | 0.25 | 0.50 | 0.33±0.04a | 12.97 | 0.22 | 0.38 | 0.29±0.03b | 10.98 |
根投影面积RPA (cm2) | 4.91 | 35.55 | 17.40±7.24a | 41.81 | 5.54 | 42.63 | 19.56±6.71a | 34.44 |
根尖数RT | 181.00 | 3697.00 | 1210.22±665.61b | 55.24 | 343.00 | 4336.00 | 1681.00±824.06a | 49.24 |
根分叉数RF | 78.00 | 3342.00 | 1335.88±740.45a | 55.67 | 168.00 | 5024.00 | 1476.56±812.01a | 55.24 |
Fig.3 The correlation coefficient between the low phosphorus stress tolerance index and the comprehensive evaluation value (D) of low phosphorus tolerance in oat cultivars
多元回归方程 Multiple regression equation | F值 F value | 决定系数 R square (R2) | P值 P value |
---|---|---|---|
D=-6.972+9.070TDW | 147.389 | 0.661 | <0.001 |
D=-6.944+5.426TDW+1.965TRL | 245.733 | 0.765 | <0.001 |
D=-6.816+4.360TDW+1.113TRL+2.856RSA | 576.854 | 0.885 | <0.001 |
D=-6.776+4.326TDW+0.991TRL+2.346RSA+0.502RV | 606.393 | 0.890 | <0.001 |
D=-6.723+4.246TDW+0.781TRL+2.146RSA+0.492RV+0.553RPA | 1128.741 | 0.933 | <0.001 |
D=-6.824+4.222TDW+0.632TRL+1.957RSA+0.524RV+0.412RPA+0.556RF | 1709.509 | 0.981 | <0.001 |
D=-6.955+3.931TDW+0.392TRL+1.553RSA+1.092RV+0.840RPA+0.611RF+0.146PUE | 2552.104 | 0.996 | <0.001 |
Table 3 Prediction of optimal model for low phosphorus tolerance in oat cultivars
多元回归方程 Multiple regression equation | F值 F value | 决定系数 R square (R2) | P值 P value |
---|---|---|---|
D=-6.972+9.070TDW | 147.389 | 0.661 | <0.001 |
D=-6.944+5.426TDW+1.965TRL | 245.733 | 0.765 | <0.001 |
D=-6.816+4.360TDW+1.113TRL+2.856RSA | 576.854 | 0.885 | <0.001 |
D=-6.776+4.326TDW+0.991TRL+2.346RSA+0.502RV | 606.393 | 0.890 | <0.001 |
D=-6.723+4.246TDW+0.781TRL+2.146RSA+0.492RV+0.553RPA | 1128.741 | 0.933 | <0.001 |
D=-6.824+4.222TDW+0.632TRL+1.957RSA+0.524RV+0.412RPA+0.556RF | 1709.509 | 0.981 | <0.001 |
D=-6.955+3.931TDW+0.392TRL+1.553RSA+1.092RV+0.840RPA+0.611RF+0.146PUE | 2552.104 | 0.996 | <0.001 |
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