ZHOU Li-ye,XIONG Mei.Effect of Gibberellin on Wild Seed Germination of Saposhnikovia Divaricata[J].Northern Horticulture,2012,36(21):149-151.
赤霉素对野生防风种子发芽的影响
- Title:
- Effect of Gibberellin on Wild Seed Germination of Saposhnikovia Divaricata
- 文章编号:
- 1001-0009(2012)21-0149-03
- Keywords:
- Saposhnikovia Divaricata; seed; gibberellin; seed soaking
- 分类号:
- S 567.23+9
- 文献标志码:
- B
- 摘要:
- 为了解除野生防风种子的休眠、提高发芽能力，利用不同浓度的赤霉素（GA3）对当年采集的防风种子进行处理。结果表明：赤霉素浸种可提高防风种子发芽整齐程度和发芽率，用浓度为500和400 mg/L赤霉素浸泡24 h的种子发芽率分别较对照提高了27.85%和26.29%，发芽势分别较对照提高了63.86%和64.02%；浓度为500、400、300、200和100 mg/L赤霉素浸种36 h的发芽率分别较对照提高了22.45%、22.34%、23.79%、12.30%和5.17%，发芽势分别较对照提高了43.34%、45.89%、40.69%、38.32%和32.04%。赤霉素浸种24 h的条件下，浓度以400 g/L为宜，浸种36 h的条件下，浓度以300 mg/L为宜。
- Abstract:
- In order to relieve wild seed dormancy of Saposhnikovia Divaricata and to improve the germination capacity，different concentrations of gibberellin(GA3)were selected to treat the seeds.The results showed that gibberellin could improve the germination rate and germinating performance of the wild Saposhnikovia Divaricata seeds.Soaked in 500 mg/L and 400 mg/L GA3 for 24 h，the seed germination rate increased 27.85% and 26.29% than the control，and germinability increased 63.86% and 64.02% respectively；treated with 500 mg/L，400 mg/L，300 mg/L，200 mg/L and 100 mg/L GA3 for 36 h，the seed germination rate increased 22.45%，22.34%，23.79%，12.30% and 5.17% respectively than the control，and germinability increased 43.34%，45.89%，40.69%，38.32% and 32.04% respectively.Seed soaking time should more than 24 h，the suitable concentration was 400 mg/L；if soaked 36 h，the concentration was 300 mg/L.
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备注/Memo
第一作者简介：周立业（1949-），女，博士，副教授，主要研究方向为植物生理及生态。