XIONG Ningwang,ZHANG Yulei,ZHENG Yibin,et al.Effects of Exogenous Hormones on Seed Germination and Seedling Growth of Magnolia biondii[J].HEILONGJIANG AGRICULTURAL SCIENCES,2024,(10):52-55.[doi:10.11942/j.issn1002-2767.2024.10.0052]
外源激素对望春玉兰种子萌发和幼苗生长的影响
- Title:
- Effects of Exogenous Hormones on Seed Germination and Seedling Growth of Magnolia biondii
- 文章编号:
- 8
- Keywords:
- Magnolia biondii Pamp.; gibberellin; seed germination; seedling growth
- 文献标志码:
- A
- 摘要:
- 为找到破除望春玉兰（Magnolia biondii Pamp.）种子休眠的方法，促进望春玉兰在乌鲁木齐地区播种育苗，以乌鲁木齐市植物园采摘的望春玉兰种子为研究对象，设置不同赤霉素浓度、不同浸种水温和不同浸种时间三因素正交设计进行浸种处理，处理后大田播种，根据种子萌发率和幼苗生长特性分析最佳处理组合，研究望春玉兰种子的萌发特性和幼苗生长特性。结果表明，适合望春玉兰种子萌发的最优水平组合为150 mg·L-1赤霉素+水温25 ℃+浸种72 h，萌发率达到最高,为34.67%，同时有利于株高与地径的生长。
- Abstract:
- In order to find the destruction of Magnolia biondii Pamp. Seed dormancy method promotes M. biondii Pamp. The seedlings of M. biondii Pamp picked from Urumqi Botanical Garden were sown and raised in Urumqi. Seeds were treated by orthogonal design with different gibberellin concentration, different soaking water temperature and different soaking time. After treatment, seeds were sown in the field. The optimal treatment combination was analyzed according to germination rate and germination potential, and the germination and growth characteristics of M. biondii Pamp. The results showed that the optimal level combination for the germination of Magnolia biondii seeds was 150 mg·L-1 gibgibellin + water temperature 25 ℃+ soaking for 72 h, which was beneficial to the germination rate of 34.67%, and also to the growth of plant height and ground diameter.
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备注/Memo
收稿日期：2024-03-18