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Articles containing the keyword 'Handeliodendron bodinieri'

Category: Research article

article id 10509, category Research article
Chuan Xie, Tianfeng Liu, Song Guo, Jian Peng, Zailiu Li. (2021). Effects of ultra-dry storage on seed germination and seedling growth of Handeliondendron bodinieri. Silva Fennica vol. 55 no. 3 article id 10509. https://doi.org/10.14214/sf.10509
Keywords: Handeliodendron bodinieri; priming treatment seed; ultra-dry treatment
Highlights: By reducing the moisture content of the seeds, Handeliodendron bodinieri seeds showed a strong tolerance; PEG played a protective role in the process of re-wetting ultra-dry seeds; Ultra-dry storage could promote Handeliodendron bodinieri seedling growth and root development.
Abstract | Full text in HTML | Full text in PDF | Author Info

Handeliodendron bodinieri (H. Lév.) Rehder is a rare, endangered, and therefore, protected tree species native to China. However, there are serious limitations to the effective protection of the species, including a low seed germination-rate and difficult storage due to a high seed oil-content. Here, we evaluated the feasibility of ultra-dry seed storage and its effects on seedling growth. We used the silica gel method to prepare ultra-dry seeds with different moisture contents to find an optimal moisture content range (2.54%–4.77%). Ultra-dry treatment improved storability of H. bodinieri seeds. Furthermore, seeds with a moisture content of 4.77% stored at room temperature, and seeds with a moisture content of 3.97% stored at 4 °C yielded the best results. Priming with an appropriate concentration of polyethylene glycol had a certain repairing effect on ultra-dry stored seeds and improved seed vigor, with a two-day priming treatment with 20% polyethylene glycol having the best effect. Finally, compared with sand storage at 4 °C, ultra-dry storage promoted seedling growth and root development; furthermore, it alleviated storage damage to H. bodinieri seeds, promoted soluble sugar and soluble protein accumulation, and increased seedling nitrogen, phosphorus, and potassium uptake. Therefore, ultra-dry storage can be effectively used to preserve H. bodinieri seeds. Specifically, low-temperature storage of ultra-dry seeds with a moisture content of 3.97% enhanced H. bodinieri seed vigor, and seedling growth and development.

  • Xie, Forestry College, Guangxi University, Daxue E Rd., Xiangtang District, Nanning 530004, Guangxi, China; Huanggang forestry research institute, Huanggang 438000, Hubei, China E-mail: sherman99c@163.com
  • Liu, Forestry College, Guangxi University, Daxue E Rd., Xiangtang District, Nanning 530004, Guangxi, China E-mail: ltfltfll@163.com
  • Guo, Forestry College, Guangxi University, Daxue E Rd., Xiangtang District, Nanning 530004, Guangxi, China E-mail: guosong@gxu.edu.cn
  • Peng, Sanmengjiang forest farm of Guangxi, Liuzhou 545001, Guangxi, China E-mail: pj75481425@126.com
  • Li, Forestry College, Guangxi University, Daxue E Rd., Xiangtang District, Nanning 530004, Guangxi, China E-mail: lizailiu666@163.com (email)

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