1 材料与方法
1.1 材料
1.2 方法
1.3 数据处理
2 结果与分析
2.1 6-BA、NAA和TDZ对根状茎增殖的影响
表1 NAA、6-BA和TDZ对杂交墨兰根状茎增殖的影响Tab. 1 Effects of NAA, 6-BA and TDZ on rhizome proliferation of Cymbidium sinense hybrid |
| 处理 Treatments | A:NAA浓度 NAA concentration /(mg·L-1) | B:6-BA浓度 6-BA concentration /(mg·L-1) | C:TDZ浓度 TDZ concentration /(mg·L-1) | 生长速度 Growth speed | 增殖系数 Multiplication coefficient | ||
|---|---|---|---|---|---|---|---|
| 1 | 0.10 | 2.00 | 0.20 | 3.45±0.53bc | 5.35±0.10a | ||
| 2 | 0.10 | 5.00 | 0.50 | 3.34±0.19c | 4.08±0.30bc | ||
| 3 | 0.10 | 8.00 | 0.80 | 4.46±0.02a | 5.05±1.05ab | ||
| 4 | 0.30 | 2.00 | 0.50 | 3.34±0.36c | 3.05±0.70c | ||
| 5 | 0.30 | 5.00 | 0.80 | 3.75±0.46bc | 4.13±1.13bc | ||
| 6 | 0.30 | 8.00 | 0.20 | 3.37±0.50c | 3.07±0.36c | ||
| 7 | 0.50 | 2.00 | 0.80 | 2.55±0.32d | 3.00±0.20c | ||
| 8 | 0.50 | 5.00 | 0.20 | 4.04±0.03ab | 4.08±0.08bc | ||
| 9 | 0.50 | 8.00 | 0.50 | 3.37±0.31c | 3.58±0.08c | ||
| Ka1 | 3.75 | 3.11 | 3.62 | Ra值:B>A>C 最优水平:A1B3C1 | |||
| Ka2 | 3.49 | 3.71 | 3.35 | ||||
| Ka3 | 3.32 | 3.73 | 3.59 | ||||
| Ra | 0.43 | 0.62 | 0.27 | ||||
| Kb1 | 4.83 | 3.80 | 4.16 | Rb值:A>C>B 最优水平:A1B2C1 | |||
| Kb2 | 3.41 | 4.10 | 3.57 | ||||
| Kb3 | 3.56 | 3.90 | 4.06 | ||||
| Rb | 1.42 | 0.30 | 0.59 | ||||
Note: Different lowercase letters indicate significant difference at 0.05 level. Ka stands for speed of growth, Ra stands for variance of speed of growth, Kb stands for multiplication coefficient, Rb stands for variance of multiplication coefficient. | |
注:不同小写字母表示在0.05水平差异显著。Ka表示生长速度,Ra表示生长速度的极差,Kb表示增殖系数,Rb表示增殖系数的极差。 |
表2 NAA、6-BA和TDZ对根状茎增殖生长的影响的主间效应Tab. 2 Main inter-effects of effects of NAA, 6-BA and TDZ on proliferation of rhizomes |
| 源 Source | 因变量 Dependent variable | III类平方和 Class III square sum | 自由度 Degree of freedom | 均方 Mean square | F | P | |
|---|---|---|---|---|---|---|---|
| 修正模型 | 生长速度 | 3.430a | 6 | 0.572 | 2.073 | 0.103 | |
| 增殖系数 | 13.127b | 6 | 2.188 | 4.062 | 0.008 | ||
| 截距 | 生长速度 | 334.432 | 1 | 334.432 | 1212.398 | 0 | |
| 增殖系数 | 417.563 | 1 | 417.563 | 775.349 | 0 | ||
| A:NAA浓度/(mg·L-1) | 生长速度 | 0.821 | 2 | 0.411 | 1.489 | 0.25 | |
| 增殖系数 | 10.908 | 2 | 5.454 | 10.127 | 0.001 | ||
| B:6-BA浓度/(mg·L-1) | 生长速度 | 2.223 | 2 | 1.112 | 4.030 | 0.034 | |
| 增殖系数 | 0.413 | 2 | 0.207 | 0.384 | 0.686 | ||
| C:TDZ浓度/(mg·L-1) | 生长速度 | 0.386 | 2 | 0.193 | 0.699 | 0.509 | |
| 增殖系数 | 1.805 | 2 | 0.903 | 1.676 | 0.212 | ||
| 误差 | 生长速度 | 5.517 | 20 | 0.276 | — | — | |
| 增殖系数 | 10.771 | 20 | 0.539 | — | — | ||
| 总计 | 生长速度 | 343.379 | 27 | — | — | — | |
| 增殖系数 | 441.460 | 27 | — | — | — | ||
| 修正后总计 | 生长速度 | 8.947 | 26 | — | — | — | |
| 增殖系数 | 23.898 | 26 | — | — | — | ||
Note: a. R2=0.383 (After adjustment R2=0.198); b. R2=0.549 (After adjustment R2=0.414). | |
注:a. R2=0.383(调整后R2=0.198);b. R2=0.549(调整后R2=0.414)。 |
2.2 6-BA、NAA和TDZ对根状茎叶芽分化的影响
表3 NAA、6-BA和TDZ对杂交墨兰根状茎叶芽分化的影响Tab. 3 Effects of NAA, 6-BA and TDZ on leaf bud differentiation of C. sinense hybrid rhizome |
| 处理 Treatments | A:NAA浓度 NAA concentration/(mg·L-1) | B:6-BA浓度 6-BA concentration/(mg·L-1) | C:TDZ浓度 TDZ concentration/(mg·L-1) | 叶芽分化率 Leaf bud differentiation rate/% | 株高 Plant height/cm | |
|---|---|---|---|---|---|---|
| 1 | 0.30 | 8.00 | 0.20 | 37.50±10.61ab | 2.79±0.06bc | |
| 2 | 0.30 | 10.00 | 0.50 | 30.00±21.21abc | 4.04±0.77ab | |
| 3 | 0.30 | 12.00 | 0.80 | 22.50±10.61bc | 1.35±0.92c | |
| 4 | 0.50 | 8.00 | 0.50 | 5.00±0.00c | 1.35±0.11c | |
| 5 | 0.50 | 10.00 | 0.80 | 40.00±7.07ab | 4.11±0.98ab | |
| 6 | 0.50 | 12.00 | 0.20 | 27.50±3.54abc | 2.71±0.98bc | |
| 7 | 0.70 | 8.00 | 0.80 | 22.50±7.50bc | 4.98±0.31a | |
| 8 | 0.70 | 10.00 | 0.20 | 52.50±10.61a | 5.36±1.31a | |
| 9 | 0.70 | 12.00 | 0.50 | 30.00±14.14abc | 4.46±0.72ab | |
| Ka1 | 0.30 | 0.22 | 0.39 | Ra值:B>C>A 最优水平:A3B2C1 | ||
| Ka2 | 0.24 | 0.41 | 0.22 | |||
| Ka3 | 0.35 | 0.27 | 0.28 | |||
| Ra | 0.11 | 0.19 | 0.18 | |||
| Kb1 | 2.73 | 3.04 | 3.62 | Rb值:A>B>C 最优水平:A3B2C1 | ||
| Kb2 | 2.72 | 4.50 | 3.28 | |||
| Kb3 | 4.93 | 2.84 | 3.48 | |||
| Rb | 2.21 | 1.66 | 0.34 | |||
Note: Different lowercase letters indicate significant difference at 0.05 level. Ka stands for leaf bud differentiation rate, Kb stands for plant height, Ra stands for variance of leaf bud differentiation rate, Rb stands for variance of plant height. | |
注:不同小写字母分别表示在0.05水平下差异显著。Ka表示叶芽分化率,Ra表示叶芽分化率的极差,Kb表示株高,Rb表示株高的极差。 |
表4 NAA、6-BA和TDZ对叶芽分化率的影响的主间效应Tab. 4 Main inter-effects of the effects of peptone, coconut milk and activated carbon on leaf bud differentiation rate |
| 源 Source | III 类平方和 Class III square sum | 自由度 Degree of freedom | 均方 Mean square | F | P |
|---|---|---|---|---|---|
| 修正模型 | 0.248a | 6 | 0.041 | 3.028 | 0.053 |
| 截距 | 1.590 | 1 | 1.590 | 116.718 | 0.000 |
| A:NAA浓度/(mg·L-1) | 0.035 | 2 | 0.018 | 1.295 | 0.313 |
| B:6-BA浓度/(mg·L-1) | 0.119 | 2 | 0.059 | 4.353 | 0.040 |
| C:TDZ浓度/(mg·L-1) | 0.094 | 2 | 0.047 | 3.436 | 0.069 |
| 误差 | 0.150 | 11 | 0.014 | — | — |
| 总计 | 1.988 | 18 | — | — | — |
| 修正后总计 | 0.397 | 17 | — | — | — |
Note: a. R2 = 0.623 (R2adj = 0.417). | |
注:a. R2 = 0.623(R2adj = 0.417)。 |
2.3 蛋白胨、椰子汁和活性炭对根状茎叶芽分化的影响
表5 蛋白胨、椰汁和活性炭对墨兰根状茎分化的影响Tab. 5 Effects of peptone, CW and AC on differentiation of C. sinense hybrid rhizomes |
| 处理 Treatments | A:蛋白胨 Peptone/ (mg·L-1) | B:椰汁 CW/ (mL·L-1) | C:活性炭 AC/ (g·L-1) | 叶芽分化率 Leaf bud differentiation rate/% | 株高 Plant height/cm | |
|---|---|---|---|---|---|---|
| 1 | 1.00 | 50.00 | 1.00 | 65.00±13.23d | 2.38±0.44cd | |
| 2 | 1.00 | 100.00 | 1.50 | 26.70±2.89e | 1.93±0.21d | |
| 3 | 1.00 | 150.00 | 2.00 | 38.30±15.28de | 3.08±0.38abcd | |
| 4 | 4.00 | 50.00 | 1.50 | 53.00±2.89de | 3.12±0.20abc | |
| 5 | 4.00 | 100.00 | 2.00 | 35.00±5.00e | 4.41±0.74a | |
| 6 | 4.00 | 150.00 | 1.00 | 145.00±18.03b | 4.11±0.56ab | |
| 7 | 7.00 | 50.00 | 2.00 | 91.70±14.43c | 2.91±1.75bcd | |
| 8 | 7.00 | 100.00 | 1.00 | 173.30±34.03a | 3.58±0.09abc | |
| 9 | 7.00 | 150.00 | 1.50 | 48.30±2.89de | 3.32±0.46abc | |
| Ka1 | 0.43 | 0.71 | 1.28 | Ra值:C>A>B 最优水平:A3B2C1 | ||
| Ka2 | 0.78 | 0.78 | 0.43 | |||
| Ka3 | 1.04 | 0.77 | 0.55 | |||
| Ra | 0.61 | 0.08 | 0.85 | |||
| Kb1 | 2.47 | 2.80 | 3.36 | Rb值:A>B>C 最优水平:A2B3C3 | ||
| Kb2 | 3.88 | 3.31 | 2.79 | |||
| Kb3 | 3.27 | 3.50 | 3.47 | |||
| Rb | 1.41 | 0.70 | 0.68 | |||
Note: Different lowercase letters indicate significant difference at 0.05 level. Ka stands for leaf bud differentiation rate, Kb stands for plant height, Ra stands for variance of leaf bud differentiation rate, Rb stands for variance of plant height. | |
注:不同小写字母分别表示在0.05水平下差异显著。Ka表示叶芽分化率,Ra表示叶芽分化率的极差,Kb表示株高,Rb表示株高的极差。 |
表6 蛋白胨、椰子汁和活性炭对叶芽分化率的影响的主间效应Tab. 6 Main inter-effects of the effects of peptone, coconut milk and activated carbon on leaf bud differentiation rate |
| 源 Source | III类平方和 Class III square sum | 自由度 Degree of freedom | 均方 Mean square | F | P |
|---|---|---|---|---|---|
| 修正模型 | 5.528a | 6 | 0.921 | 13.91 | 0.000 |
| 截距 | 15.263 | 1 | 15.263 | 230.443 | 0.000 |
| A:蛋白胨浓度/ (mg·L-1) | 1.690 | 2 | 0.845 | 12.755 | 0.000 |
| B:椰汁浓度/ (mg·L-1) | 0.037 | 2 | 0.018 | 0.278 | 0.760 |
| C:活性炭/ (mg·L-1) | 3.801 | 2 | 1.901 | 28.697 | 0.000 |
| 误差 | 1.325 | 20 | 0.066 | — | — |
| 总计 | 22.115 | 27 | — | — | — |
| 修正后总计 | 6.852 | 26 | — | — | — |
Note: a. R2=0.556 (R2adj=0.422). | |
注:a. R2=0.556(R2adj=0.422) |
