Seed and Germination Characteristics of 20 Amazonian Liana Species
文献类型：期刊论文
| 作者 | Mareike Roeder ; Isolde D. K. Ferraz ; Dirk Hölscher |
| 刊名 | Plants
 |
| 出版日期 | 2013 |
| 卷号 | 2期号:1页码:1-15 |
| 关键词 | alternating temperature desiccation moisture content photoblastism seed coat ratio |
| 中文摘要 | Lianas are an important component of tropical forests, and may reach their highest densities in disturbed areas. However, information on seed and germination characteristics is scarce. Twenty Amazon liana species were screened for their germination characteristics, including light dependence, tolerance of desiccation and of alternating temperatures; these characteristics are considered important for the germination success in areas with relatively open canopies. Between 31–1,420 seeds per species were available, as 15 species seeds came from one mother plant. We studied seed biometry and conducted germination trials with fresh seeds (12 h light daily, or dark) and desiccated seeds at 25 °C. Germination at alternating temperatures (20/30 °C, 15/35 °C) was analyzed for nine species. Of the 20 species, eight species with the largest seeds had desiccation sensitive seeds; this is the first record for species of four genera and one family, where only desiccation tolerant seeds are otherwise recorded. Light-dependent germination was found in three species (0.01–0.015 g) and is the first record for two; however, results were based on seeds from one plant per species. Alternating temperatures of 15/35 °C decreased final germination of four out of nine species, and response to 20/30 °C cycles varied compared to constant 25 °C. Seed and germination characteristics of the species ranged from pioneer to climax traits indicating that establishment of lianas from seeds may be confined to species specific niches. |
| 公开日期 | 2013-03-26 |
| 源URL | [http://ir.xtbg.org.cn/handle/353005/3958]  |
| 专题 | 西双版纳热带植物园_植物地理组 |
| 推荐引用方式 GB/T 7714 | Mareike Roeder,Isolde D. K. Ferraz,Dirk Hölscher. Seed and Germination Characteristics of 20 Amazonian Liana Species[J]. Plants,2013,2(1):1-15. |
| APA | Mareike Roeder,Isolde D. K. Ferraz,&Dirk Hölscher.(2013).Seed and Germination Characteristics of 20 Amazonian Liana Species.Plants,2(1),1-15. |
| MLA | Mareike Roeder,et al."Seed and Germination Characteristics of 20 Amazonian Liana Species".Plants 2.1(2013):1-15. |
入库方式： OAI收割
来源：西双版纳热带植物园
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