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 生长量分析
表1 F1代与亲本的生长量Tab. 1 Growth of tissue culture in F1 generation and parents |
| 项目 Item | TH29 | TH31 | TH25 | TH9 | TH23 | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| $\bar{x}$ | HI | $\bar{x}$ | HI | $\bar{x}$ | HI | $\bar{x}$ | HI | $\bar{x}$ | HI | |
| 组培苗生长量/g | 0.15±0.02a | 100.00 | 0.56±0.44ab | -925.00 | 0.58±0.29ab | -975.00 | 0.67±0.53b | -1200.00 | 0.69±0.39b | -1250.00 |
| 栽培苗生长量/g | 0.14±0.03ab | -400.00 | 0.14±0.24ab | -400.00 | 0.03±0.04a | 150.00 | 0.15±0.40ab | -450.00 | 0.19±0.11ab | -650.00 |
| 项目 Item | TH7 | TH32 | TH13 | 平均值The average | 铁皮石斛(♀) D. officinalis | 霍山石斛(♂) D. huoshanense | ||||
| $\bar{x}$ | HI | $\bar{x}$ | HI | $\bar{x}$ | HI | $\bar{x}$ | HI | |||
| 组培苗生长量/g | 0.19±0.06a | 0 | 0.32±0.09ab | -325.00 | 0.27±0.08ab | -200.00 | 0.43±0.24ab | -596.87 | 0.19±0.07a | 0.15±0.03a |
| 栽培苗生长量/g | 0.44±0.25b | -1900.00 | 0.18±0.12ab | -600.00 | 0.04±0.14a | 100.00 | 0.16±0.17ab | -518.75 | 0.06±0.22a | 0.04±0.16a |
注:同行数据后不同小写和大写字母分别表示差异显著(P<0.05)和极显著(P<0.01)。 | |
Note: Data followed different smau and capital letters within the same line indicate significant differences at the 0.05 and the 0.01 levels by multiple comparison, respectively. |
2.2 组培苗表型性状差异及杂种指数分析
图1 茎段接种4个月再生苗植株形态Fig. 1 Plant morphology of regenerated seedlings after inoculation for 4 months |
表2 组培苗表型性状及杂种指数分析Tab. 2 Phenotypic traits and hybridization index analysis of tissue culture seedlings |
|
注:同行数据后不同小写和大写字母分别表示差异显著( P<0.05)和极显著( P<0.01 )。 | |
Note: Data followed different smau and capital letters within the same line indicate significant differences at the 0.05 and the 0.01 levels by multiple comparison, respectively. |
2.3 组培苗表型性状相关分析
表3 组培苗表型性状相关分析Tab. 3 Correlation analysis of phenotypic traits of tissue culture seedlings |
| 表型性状 Phenotypic traits | 株高 Plant height | 叶数 Leaf number | 叶长 Leaf length | 叶宽 Leaf width | 根数 Root number | 根长 Root length | 鲜重 Fresh weigh | 冠幅 Crown |
|---|---|---|---|---|---|---|---|---|
| 叶数 | -0.46 | |||||||
| 叶长 | 0.80** | -0.79** | ||||||
| 叶宽 | 0.86** | -0.60 | 0.84** | |||||
| 根数 | 0.50 | -0.08 | 0.22 | 0.30 | ||||
| 根长 | 0.62* | -0.48 | 0.64* | 0.75** | 0.10 | |||
| 鲜重 | 0.65* | -0.17 | 0.37 | 0.62* | 0.69* | 0.43 | ||
| 冠幅 | 0.81** | -0.37 | 0.84** | 0.73* | 0.21 | 0.54 | 0.46 | |
| 茎粗 | 0.40 | -0.29 | 0.26 | 0.49 | 0.52 | 0.48 | 0.63* | 0.01 |
注:*表示相关性显著(P<0.05),**表示相关性极显著(P<0.01)。 | |
Note: * means significant correlation (P<0.05), ** means extremely significant correlation (P<0.01). |
2.4 移栽苗植株表型性状及杂种指数分析
图2 组培苗移栽6个月植株形态Fig. 2 Plant morphology of tissue culture seedlings transplanted for 6 months |
表4 移栽苗植株表型性状及杂种指数分析Tab. 4 Phenotypic traits and hybridization index analysis of transplanted seedlings |
|
注:同行数据后不同小写和大写字母分别表示差异显著( P<0.05)和极显著( P<0.01 )。 | |
Note: Data followed different smau and capital letters within the same line indicate significant differences at the 0.05 and the 0.01 levels by multiple comparison, respectively. |
2.5 移栽苗多糖含量分析
表5 移栽苗多糖含量分析Tab. 5 Analysis of polysaccharide content in transplanting seedlings |
| 项目Item | TH29 | TH31 | TH25 | TH9 | TH23 | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| $\bar{x}$ | HI | $\bar{x}$ | HI | $\bar{x}$ | HI | $\bar{x}$ | HI | $\bar{x}$ | HI | |
| 多糖含量/% | 25.04±0.06gF | -168.69 | 19.19±0.09eD | -70.20 | 17.42±0.03dC | -40.40 | 20.75±0.03fE | -96.46 | 15.75±0.00cB | -12.29 |
| 项目Item | TH7 | TH32 | TH13 | HI平均值 The average | 铁皮石斛(♀) D. officinalis | 霍山石斛(♂) D. huosanense | ||||
| $\bar{x}$ | HI | $\bar{x}$ | HI | $\bar{x}$ | HI | |||||
| 多糖含量/% | 29.43±0.04hG | -242.59 | 21.29±0.02fE | -105.56 | 9.20±0.03aA | 97.98 | -79.78 | 15.02±0.02bB | 9.08±0.03aA | |
注:同行数据后不同小写和大写字母分别表示差异显著(P<0.05)和极显著(P<0.01)。 | |
Note: Data followed different small and capital letters within the same lines indicate significant differences at the 0.05 and the 0.01 levels by multiple comparison, respectively. |
2.6 移栽苗性状相关分析
表6 移栽苗表型性状相关分析Tab. 6 Correlation analysis of phenotypic traits of transplanting seedlings |
| 表型性状 Phenotypic traits | 株高 Plant height | 叶数 Leaf number | 叶长 Leaf length | 叶宽 Leaf width | 根数 Root number | 根长 Root length | 鲜重 Fresh weight | 冠幅 Crown | 茎粗 Thick stems |
|---|---|---|---|---|---|---|---|---|---|
| 叶数 | 0.60* | ||||||||
| 叶长 | 0.84** | 0.37 | |||||||
| 叶宽 | 0.83** | 0.26 | 0.92** | ||||||
| 根数 | 0.20 | 0.52 | -0.04 | -0.08 | |||||
| 根长 | 0.55 | 0.25 | 0.61* | 0.63* | 0.36 | ||||
| 鲜重 | 0.89** | 0.37 | 0.83** | 0.90** | 0.05 | 0.72* | |||
| 冠幅 | 0.80** | 0.22 | 0.89** | 0.80** | -0.23 | 0.38 | 0.77** | ||
| 茎粗 | 0.75** | 0.29 | 0.80** | 0.79** | -0.15 | 0.29 | 0.66* | 0.80** | |
| 多糖含量 | 0.35 | 0.19 | 0.53 | 0.58 | 0.46 | 0.25 | 0.35 |
注:*表示相关性显著(P<0.05),**表示相关性极显著(P<0.01)。 | |
Note: * means significant correlation (P<0.05), ** means extremely significant correlation (P<0.01). |
