Seed dormancy in plants can have a significant impact on their ecology. Recent work by Rojas-Villa and Quijano-Abril (2023) classified the seed dormancy class in 14 plant species from the Andean forests of Colombia by using germination trials and several microscopy techniques to describe seed anatomy and morphology. The authors conclude that Cecropia species have both physical and physiological dormancy (of which they call physiophysical dormancy) based on seed morphology and mean germination times of over 30 days. Here, we present seed permeability and germination data from neotropical pioneer tree species: Ochroma pyramidale, Cecropia longipes, and Cecropia insignis, as well as Cecropia peltata (present in Rojas-Villa and Quijano-Abril, 2023), to demonstrate that Cecropia species do not exhibit dormancy and also have high levels of seed permeability. We find that the mean germination time for all three Cecropia species in our study was less than 30 days. This suggests a need for reporting the conditions in which germination trials take place to allow for comparability among studies and using seed permeability tests to accurately identify the physical dormancy class of seeds. Further, we present data from the literature that suggests that dormancy is not a requirement for seed persistence in the seed bank.

中文翻译：

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种子渗透性：种子休眠类型分类的重要特征

植物种子休眠可对其生态产生重大影响。 Rojas-Villa 和 Quijano-Abril (2023) 最近的工作通过使用发芽试验和几种显微镜技术来描述种子解剖结构和形态，对哥伦比亚安第斯森林的 14 种植物物种的种子休眠类别进行了分类。作者的结论是天蚕属根据种子形态和超过 30 天的平均发芽时间，物种具有物理和生理休眠（他们称之为物理休眠）。在这里，我们提供新热带先锋树种的种子渗透性和发芽数据：金字塔红,长足天蚕， 和天蚕， 也天蚕（出现在 Rojas-Villa 和 Quijano-Abril，2023 年），以证明天蚕属物种不表现出休眠性并且也具有高水平的种子渗透性。我们发现这三个物种的平均发芽时间天蚕属我们研究中的物种持续时间不到 30 天。这表明需要报告发芽试验进行的条件，以便研究之间具有可比性，并使用种子渗透性测试来准确识别种子的物理休眠类别。此外，我们提供的文献数据表明，休眠并不是种子库中种子持久性的必要条件。