1 材料与方法
1.1 材料
1.2 方法
表1 施肥水平表Tab. 1 Levels of fertilizer applied g.plant-1 |
| 肥料类型 Fertilizer types | 自根幼态无性系苗 Self-rooting juvenile-type clone | 籽苗芽接苗 Grafted mini-seedling | ||||||
|---|---|---|---|---|---|---|---|---|
| Z-1 | Z-2 | Z-3 | Z-4 | Y-1 | Y-2 | Y-3 | Y-4 | |
| 尿素 | 0 | 70 | 140 | 210 | 0 | 70 | 140 | 210 |
| 钙镁磷肥 | 0 | 75 | 150 | 225 | 0 | 75 | 150 | 225 |
| 氯化钾 | 0 | 37.5 | 75 | 112.5 | 0 | 37.5 | 75 | 112.5 |
1.3 数据处理
2 结果与分析
2.1 橡胶幼树干物质积累量
表2 不同施肥水平2种橡胶幼树间的干物质积累量差异比较Tab. 2 Comparison of dry matter accumulation of two rubber saplings at different fertilization levels kg.plant-1 |
| 种植材料 Planting materials | 施肥水平 Fertilization level | |||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| 自根幼态无性系苗 | 0.84±0.053a | 1.40±0.097A | 1.40±0.073A | 0.97±0.062A |
| 籽苗芽接苗 | 0.67±0.080a | 1.06±0.056B | 0.84±0.057B | 0.73±0.048B |
Note: Data in the table is mean ± standand deviation; different capital letters represent the difference between different treatments is significantly at P<0.01, and the lowercase letters indicate the difference is significantly at P<0.05. | |
注:表中数据为平均值 ± 标准差,不同大、小写字母分别代表不同处理间达极显著差异(P<0.01)和显著差异(P<0.05)。 |
表3 2种橡胶幼树的干物质积累量Tab. 3 Dry matter accumulation in two rubber saplings kg.plant-1 |
| 器官Organ | 自根幼态无性系苗 Self-rooting juvenile-type clone | 籽苗芽接苗 Grafted mini-seedling | ||||||
|---|---|---|---|---|---|---|---|---|
| Z-1 | Z-2 | Z-3 | Z-4 | Y-1 | Y-2 | Y-3 | Y-4 | |
| 主根Main root | 0.31±0.024a | 0.34±0.030a | 0.36±0.019a | 0.28±0.029a | 0.22±0.033a | 0.30±0.028a | 0.32±0.020a | 0.27±0.029a |
| 侧根 Lateral root | 0.017±0.001a | 0.025±0.003a | 0.024±0.003a | 0.018±0.003a | 0.02±0.003a | 0.02±0.003a | 0.02±0.002a | 0.02±0.004a |
| 茎A Stem A | 0.06±0.006cB | 0.17±0.025aA | 0.11±0.016bAB | 0.07±0.011cB | 0.03±0.006a | 0.06±0.011a | 0.05±0.007a | 0.04±0.004a |
| 茎B Stem B | 0.32±0.024cB | 0.68±0.057aA | 0.76±0.048aA | 0.47±0.034bB | 0.29±0.044bB | 0.54±0.051aA | 0.34±0.035bB | 0.30±0.031bB |
| 茎Stem | 0.38±0.021bB | 0.84±0.066aA | 0.86±0.055aA | 0.54±0.039bB | 0.32±0.045bB | 0.60±0.050aA | 0.38±0.039bB | 0.34±0.028bB |
| 叶Leaf | 0.11±0.015b | 0.15±0.011a | 0.12±0.008ab | 0.11±0.009b | 0.09±0.012a | 0.12±0.010a | 0.10±0.006a | 0.09±0.010a |
| 叶柄Petiole | 0.02±0.003a | 0.03±0.004a | 0.03±0.003a | 0.03±0.003a | 0.02±0.003a | 0.02±0.001a | 0.02±0.002a | 0.02±0.003a |
| 总量Total | 0.84±0.053bB | 1.40±0.097aA | 1.40±0.073aA | 0.97±0.062bB | 0.67±0.080bB | 1.06±0.056aA | 0.84±0.057bAB | 0.73±0.048bB |
Note: Data in the table is mean ± standand deviation; different capital letters represent the difference between different treatments is significantly at P<0.01, and the lowercase letters indicate the difference is significantly at P<0.05. Stem A and stem B are the non-lignified part and the lignified part, respectively. | |
注:表中数据为平均值 ± 标准差,不同大、小写字母分别代表不同处理间达极显著差异(P<0.01)和显著差异(P<0.05)。茎A代表茎秆中未木质化部分,茎B代表茎秆中完全木质化部分。 |
2.2 橡胶幼树年养分累积量特征
表4 不同施肥水平2种橡胶幼树间的全氮累积量差异比较Tab. 4 Comparison of nitrogen accumulation of two rub-ber saplings at different fertilization levels g.plant-1 |
| 种植材料 Planting materials | 施肥水平 Fertilization level | |||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| 自根幼态无性系苗 | 9.20±0.118A | 14.75±0.274A | 14.64±0.665A | 11.56±0.145A |
| 籽苗芽 接苗 | 6.65±0.199B | 11.79±0.321B | 10.51±0.285B | 9.04±0.229B |
Note: Data in the table is mean ± standand deviation; different capital letters represent the difference between different treatments is significantly at P<0.01, and the lowercase letters indicate the difference is significantly at P<0.05. | |
注:表中数据为平均值 ± 标准差,不同大、小写字母分别代表不同处理间达极显著差异(P<0.01)和显著差异(P<0.05)。 |
表5 2种橡胶幼树的全氮含量分布Tab. 5 Distribution of total nitrogen content in two rubber saplings g.plant-1 |
| 器官Organ | 自根幼态无性系苗 Self-rooting juvenile-type clone | 籽苗芽接苗 Grafted mini-seedling | ||||||
|---|---|---|---|---|---|---|---|---|
| Z-1 | Z-2 | Z-3 | Z-4 | Y-1 | Y-2 | Y-3 | Y-4 | |
| 主根 Main root | 2.37±0.13a | 2.78±0.184a | 2.87±0.189a | 2.32±0.135a | 1.43±0.141cB | 2.19±0.207bAB | 2.88±0.236aA | 2.18±0.029bAB |
| 侧根 Lateral root | 0.17±0.003bB | 0.28±0.012aA | 0.28±0.015aA | 0.20±0.015bB | 0.14±0.006bB | 0.23±0.003aA | 0.23±0.009aA | 0.24±0.009aA |
| 茎A Stem A | 0.52±0.037cC | 1.98±0.151aA | 1.22±0.149bB | 0.63±0.129cBC | 0.32±0.029bB | 0.68±0.070 aA | 0.66±0.040aA | 0.57±0.043aA |
| 茎B Stem B | 2.53±0.135b | 4.56±0.170ab | 5.98±0.528a | 3.86±0.100b | 1.91±0.068cC | 4.23±0.250 aA | 3.13±0.116bB | 2.35±0.084cC |
| 茎 Stem | 3.04±0.132b | 6.53±0.112a | 7.21±0.675ab | 4.62±0.155b | 2.22±0.043dD | 4.91±0.215aA | 3.79±0.080bB | 2.93±0.123cC |
| 叶 Leaf | 3.36±0.084cB | 4.74±0.071aA | 3.85±0.321bA | 3.93±0.196bA | 2.61±0.182c | 4.20±0.098a | 3.31±0.165b | 3.42±0.135b |
| 叶柄 Petiole | 0.25±0.015bB | 0.42±0.050aA | 0.44±0.015aA | 0.42±0.015aA | 0.25±0.006bB | 0.28±0.007aAB | 0.29±0.003aA | 0.28±0.009aAB |
| 总量 Total | 9.20±0.120bB | 14.75±0.275aA | 14.64±0.666aA | 11.56±0.145bB | 6.65±0.199dD | 11.79±0.322aA | 10.51±0.285bB | 9.04±0.228cC |
Note: Data in the table is mean ± standand deviation; different capital letters represent the difference between different treatments is significantly at P<0.01, and the lowercase letters indicate the difference is significantly at P<0.05. Stem A and stem B are the non-lignified part and the lignified part, respectively. | |
注:表中数据为平均值 ± 标准差,不同大、小写字母分别代表不同处理间达极显著差异(P<0.01)和显著差异(P<0.05)。茎A代表茎秆中未木质化部分,茎B代表茎秆中完全木质化部分。 |
表6 不同施肥水平两种橡胶幼树间的全磷累积量差异比较Tab. 6 Comparison of phosphorus accumulation of two rubber saplings at different fertilization levels g.plant-1 |
| 种植材料 Planting materials | 施肥水平 Fertilization level | |||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| 自根幼态无性系苗 | 1.38±0.089a | 2.33±0.052A | 2.32±0.083A | 1.52±0.006A |
| 籽苗芽接苗 | 1.06±0.010b | 1.75±0.051B | 1.75±0.046B | 1.33±0.033B |
Note: Data in the table is mean ± standand deviation; different capital letters represent the difference between different treatments is significantly at P<0.01, and the lowercase letters indicate the difference is significantly at P<0.05. | |
注:表中数据为平均值 ± 标准差,不同大、小写字母分别代表不同处理间达极显著差异(P<0.01)和显著差异(P<0.05)。 |
表7 2种橡胶幼树的全磷含量分布Tab. 7 Distribution of total phosphorus content in two rubber saplings g.plant-1 |
| 器官Organ | 自根幼态无性系苗 Self-rooting juvenile-type clone | 籽苗芽接苗 Grafted mini-seedling | ||||||
|---|---|---|---|---|---|---|---|---|
| Z-1 | Z-2 | Z-3 | Z-4 | Y-1 | Y-2 | Y-3 | Y-4 | |
| 主根 Main root | 0.38±0.020bB | 0.49±0.033aAB | 0.56±0.036aA | 0.40±0.020bB | 0.28±0.020cB | 0.38±0.023bB | 0.56±0.033aA | 0.39±0.003bB |
| 侧根 Lateral root | 0.03±0.003b | 0.05±0.003a | 0.03±0.003b | 0.04±0.005b | 0.03±0.003b | 0.04±0.003a | 0.04±0.000a | 0.04±0.000a |
| 茎A Stem A | 0.14±0.012cC | 0.42±0.033aA | 0.25±0.021bB | 0.13±0.003cC | 0.07±0.009cB | 0.13±0.003aA | 0.15±0.009aA | 0.10±0.003bB |
| 茎B Stem B | 0.48±0.055dC | 0.88±0.032bB | 1.06±0.028aA | 0.60±0.015cC | 0.40±0.015cC | 0.76±0.043aA | 0.63±0.023bB | 0.45±0.017cC |
| 茎 Stem | 0.62±0.066bB | 1.30±0.040aA | 1.31±0.049aA | 0.73±0.021bB | 0.47±0.012cB | 0.90±0.041aA | 0.79±0.022bA | 0.54±0.021cB |
| 叶 Leaf | 0.30±0.013cB | 0.42±0.010aA | 0.36±0.018bB | 0.33±0.006bcB | 0.25±0.019cC | 0.39±0.009aA | 0.32±0.012bB | 0.31±0.015bB |
| 叶柄 Petiole | 0.04±0.003b | 0.06±0.005a | 0.07±0.003a | 0.06±0.006ab | 0.04±0.000a | 0.05±0.003a | 0.04±0.003a | 0.05±0.007a |
| 总量 Total | 1.38±0.089bB | 2.33±0.052 aA | 2.32±0.083 aA | 1.52±0.006bB | 1.06±0.010cC | 1.75±0.051aA | 1.75±0.046aA | 1.33±0.033 bB |
Note: Data in the table is mean ± standand deviation; different capital letters represent the difference between different treatments is significantly at P<0.01, and the lowercase letters indicate the difference is significantly at P<0.05. Stem A and stem B are the non-lignified part, and the lignified part, respectively. | |
注:表中数据为平均值 ± 标准差,不同大、小写字母分别代表不同处理间达极显著差异(P<0.01)和显著差异(P<0.05)。茎A代表茎秆中未木质化部分,茎B代表茎秆中完全木质化部分。 |
表8 不同施肥水平2种橡胶幼树间的全钾累积量差异比较Tab. 8 Comparison of potassium accumulation of two rubber saplings at different fertilization levels g.plant-1 |
| 种植材料 Planting materials | 施肥水平 Fertilization level | |||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| 自根幼态 无性系苗 | 4.90±0.424a | 9.44±0.664a | 8.54±1.277a | 6.47±0.568a |
| 籽苗芽接苗 | 4.36±0.317a | 6.15±0.273b | 9.07±0.374a | 6.42±0.525a |
Note: Data in the table is mean ± standand deviation; different capital letters represent the difference between different treatments is significantly at P<0.01, and the lowercase letters indicate the difference is significantly at P<0.05. | |
注:表中数据为平均值 ± 标准差,不同大、小写字母分别代表不同处理间达极显著差异(P<0.01)和显著差异(P<0.05)。 |
表9 2种橡胶幼树的全钾含量分布Tab. 9 Distribution of total potassium content in two rubber saplings g.plant-1 |
| 器官Organ | 自根幼态无性系苗 Self-rooting juvenile-type clone | 籽苗芽接苗 Grafted mini-seedling | ||||||
|---|---|---|---|---|---|---|---|---|
| Z-1 | Z-2 | Z-3 | Z-4 | Y-1 | Y-2 | Y-3 | Y-4 | |
| 主根 Main root | 1.40±0.119a | 1.90±0.329a | 1.50±0.119a | 1.57±0.138a | 1.08±0.152b | 1.60±0.132b | 2.84±0.488a | 1.64±0.271b |
| 侧根 Lateral root | 0.11±0.012bB | 0.20±0.009aA | 0.13±0.003bB | 0.13±0.000bB | 0.08±0.015a | 0.12±0.019a | 0.12±0.017a | 0.12±0.012a |
| 茎A Stem A | 0.61±0.101cB | 2.29±0.068aA | 1.42±0.326bB | 0.70±0.107cB | 0.32±0.059cB | 0.92±0.109aA | 0.76±0.078abA | 0.56±0.106bcAB |
| 茎B Stem B | 1.58±0.228b | 3.43±0.648a | 4.14±0.698a | 2.80±0.398b | 1.83±0.246bB | 2.02±0.035bB | 4.15±0.687aA | 2.96±0.112abAB |
| 茎 Stem | 2.19±0.327e | 5.73±0.583a | 5.55±0.994ab | 3.50±0.475bc | 2.15±0.186cB | 2.93±0.086bcB | 4.91±0.731aA | 3.52±0.197bAB |
| 叶 Leaf | 0.98±0.085a | 1.28±0.087a | 1.00±0.188a | 1.08±0.061a | 0.78±0.049b | 1.22±0.110a | 0.94±0.080b | 0.87±0.082b |
| 叶柄 Petiole | 0.21±0.047b | 0.33±0.019a | 0.36±0.013a | 0.35±0.000a | 0.26±0.019b | 0.29±0.029b | 0.26±0.015b | 0.26±0.023b |
| 总量 Total | 4.90±0.424c | 9.44±0.664a | 8.54±1.277ab | 6.47±0.568bc | 4.36±0.317cC | 6.15±0.273bBC | 9.07±0.373aA | 6.42±0.525bB |
Note: Data in the table is mean ± standand deviation; different capital letters represent the difference between different treatments is significantly at P<0.01, and the lowercase letters indicate the difference is significantly at P<0.05. Stem A and stem B are the non-lignified part, and the lignified part, respectively. | |
注:表中数据为平均值 ± 标准差,不同大、小写字母分别代表不同处理间达极显著差异(P<0.01)和显著差异(P<0.05)。茎A代表茎秆中未木质化部分,茎B代表茎秆中完全木质化部分。 |
