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 不同散粉期花粉生活力的比较
2.2 不同阴干时间对花粉生活力的影响
表1 薄壳山核桃‘Shaoxing’和‘Pawnee’不同阴干时间的花粉活力Tab. 1 Pollen vitality of ‘Shaoxing’ and ‘Pawnee’ of Juglandaceae in different shade time % |
| 品种 Varieties | 散粉时期 Loose powder period | 阴干时间Dry time/h | ||||
|---|---|---|---|---|---|---|
| 0 | 24 | 48 | 72 | 96 | ||
| Shaoxing | 即将散粉 | 83.08±0.40C | 74.30±0.55B | 40.76±1.17B | 35.75±0.48C | 28.40±0.27B |
| 散粉初期 | 94.71±0.70B | 83.16±0.58A | 66.00±2.02A | 55.65±0.97B | 44.94±1.44A | |
| 散粉盛期 | 96.90±0.49A | 78.39±3.21AB | 64.62±3.72A | 63.21±1.07A | 45.70±2.14A | |
| 散粉末期 | 80.64±0.93D | 58.90±1.49C | 43.61±1.68B | 37.21±1.48C | 31.20±2.44B | |
| Pawnee | 即将散粉 | 84.58±1.69B | 90.75±0.72B | 77.32±0.70B | 66.82±0.83B | 61.57±1.32B |
| 散粉初期 | 91.53±1.81A | 95.74±0.68A | 91.50±0.83A | 78.35±1.50A | 64.31±1.26A | |
| 散粉盛期 | 92.43±0.41A | 91.06±1.25B | 76.54±0.53B | 69.85±2.41B | 57.69±2.74B | |
| 散粉末期 | 79.59±1.25C | 56.24±0.41C | 52.04±1.47C | 44.53±1.46C | 36.07±1.76C | |
注:表中同列不同大写字母表示差异极显著(P<0.01)。 | |
Note: Different uppercase letters in the same column showed significant difference (P < 0.01). |
表2 阴干时间、散粉时期及二者的交互作用对‘Shaoxing’和‘Pawnee’花粉活力影响的方差分析Tab. 2 Analysis of variance on the influence of drying time in the shade, loose powder period and their interaction on pollen vitality of ‘Shaoxing’ and ‘Pawnee’ |
| 品种 Varieties | 差异来源 Source | 平方和 Sum of squares | 自由度 DF | 均方 Mean square | F值 F value | 置信度 Confidence level |
|---|---|---|---|---|---|---|
| Shaoxing | 阴干时间 | 2.047 | 4 | 0.512 | 680.062 | 0.000 |
| 散粉时期 | 0.487 | 3 | 0.162 | 215.725 | 0.000 | |
| 阴干时间×花粉时期 | 0.075 | 12 | 0.006 | 8.267 | 0.000 | |
| 机误 | 0.030 | 40 | 0.001 | |||
| 总计 | 24.497 | 60 | ||||
| Pawnee | 阴干时间 | 0.864 | 4 | 0.216 | 368.779 | 0.000 |
| 散粉时期 | 0.804 | 3 | 0.268 | 357.346 | 0.000 | |
| 阴干时间×花粉时期 | 0.118 | 12 | 0.010 | 16.772 | 0.000 | |
| 机误 | 0.023 | 40 | 0.001 | |||
| 总计 | 33.836 | 60 |
注:置信度<0.05表示差异显著,置信度<0.01表示差异极显著。 | |
Note: Difference of confidence level<0.05 is significant, and the difference of confidence level<0.01 is extremely significant. |
2.3 不同储藏条件对花粉生活力的影响
图2 ‘Shaoxing’不同储藏条件下的花粉活力Fig. 2 Pollen vitality of ‘Shaoxing’ under different storage methods |
图3 ‘Pawnee’不同储藏条件下的花粉活力Fig. 3 The pollen vitality of ‘Pawnee’ under different storage methods |
图4 ‘Shaoxing’和‘Pawnee’花粉在不同储藏条件80 d时的显微观察A~F:‘Shaoxing’花粉分别在常温密封、常温密封干燥、4 ℃密封、4 ℃密封干燥、‒80 ℃密封、‒80 ℃密封干燥条件下储藏80 d后的显微观察;G~L:‘Pawnee’花粉分别在常温密封、常温密封干燥、4 ℃密封、4 ℃密封干燥、‒80 ℃密封、‒80 ℃密封干燥条件下80 d后的显微观察。 Fig. 4 Microscopic observation of ‘Shaoxing’ and ‘Pawnee’ pollen under different storage conditions for 80 d A‒F: The microscopical observation of ‘Shaoxing’ pollen stored for 80 days under the conditions of normal temperature sealed, normal temperature sealed dry, 4 ℃ sealed, 4 ℃ sealed dry, ‒80 ℃ sealed, ‒80 ℃ sealed dry; G‒L: The microscopical observation of ‘Pawnee’ pollen stored for 80 days under the conditions of normal temperature sealed, normal temperature sealed dry, 4 ℃ sealed, 4 ℃ sealed dry, ‒80 ℃ sealed, ‒80 ℃ sealed dry. |
表3 贮藏时间、贮藏条件及其相互作用对‘Shaoxing’和‘Pawnee’花粉活力影响的方差分析Tab. 3 Analysis of variance of effects of storage time, storage conditions and the interactions on pollen vitality of ‘Shaoxing’ and ‘Pawnee’ |
| 品种 Varieties | 差异来源 Source | 平方和 Sum of squares | 自由度 DF | 均方 Mean square | F值 F value | 置信度 Confidence level |
|---|---|---|---|---|---|---|
| Shaoxing | 储藏时间 | 15.907 | 12 | 1.326 | 7842.795 | 0.000 |
| 储藏条件 | 5.756 | 5 | 1.151 | 6811.440 | 0.000 | |
| 储藏时间×储藏条件 | 0.928 | 60 | 0.015 | 91.482 | 0.000 | |
| 机误 | 0.026 | 156 | 0.000 | |||
| 总计 | 85.230 | 234 | ||||
| Pawnee | 储藏时间 | 6.748 | 5 | 1.350 | 6990.906 | 0.000 |
| 储藏条件 | 14.982 | 12 | 1.248 | 6466.728 | 0.000 | |
| 储藏时间×储藏条件 | 1.583 | 60 | 0.026 | 136.624 | 0.000 | |
| 机误 | 0.030 | 156 | 0.000 | |||
| 总计 | 33.836 | 234 |
注:置信度<0.05表示差异显著,置信度<0.01表示差异极显著。 | |
Note: Difference of confidence degree level<0.05 is significant, and the difference of confidence degree level<0.01 is extremely significant. |
