不同生命阶段的性别二形性:Silene latifolia根系生长的早期性别差异。

IF 4.2 3区 生物学 Q1 PLANT SCIENCES
Plant Biology Pub Date : 2024-10-12 DOI:10.1111/plb.13723
M. Pérez-Llorca, A. Hewett, A. de la Peña Pita, F. Hailer, J. Sánchez Vilas
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引用次数: 0

摘要

雌雄异株植物通常表现出性二态性,在形态、生理和生命史特征方面存在差异。以前的研究大多集中于繁殖期间或繁殖后雌雄个体的差异,很少关注个体的繁殖前阶段。在这里,我们评估了雌雄异株植物 Silene latifolia 的雌雄个体在不同生命阶段对非生物胁迫的反应,包括生殖前(即幼苗和幼株)和生殖个体。我们测量了在养分缺乏、水胁迫及其相互作用下的生长、资源分配和对 13C 的鉴别。我们观察到根系生长的性双态性,雌性幼苗的主根比雄性植株长。生殖前的雌雄植株在根系分配方面对养分和水分供应的反应也不同。在繁殖期,当水分不受限制时,雌株比雄株长出更多的根。这些差异有助于解释在 S. latifolia 的自然种群中发现的雌偏性别比例。虽然在幼苗阶段雌性的叶片比雄性长,但我们没有发现地上部干质量存在性二态性的证据。我们的结论是,花叶榕的性别二形性可能不是繁殖的结果,而是早在繁殖之前就出现了。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Sexual dimorphism at different life stages: early life sexual differences in root growth in Silene latifolia

Sexual dimorphism at different life stages: early life sexual differences in root growth in Silene latifolia

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来源期刊
Plant Biology
Plant Biology 生物-植物科学
CiteScore
8.20
自引率
2.60%
发文量
109
审稿时长
3 months
期刊介绍: Plant Biology is an international journal of broad scope bringing together the different subdisciplines, such as physiology, molecular biology, cell biology, development, genetics, systematics, ecology, evolution, ecophysiology, plant-microbe interactions, and mycology. Plant Biology publishes original problem-oriented full-length research papers, short research papers, and review articles. Discussion of hot topics and provocative opinion articles are published under the heading Acute Views. From a multidisciplinary perspective, Plant Biology will provide a platform for publication, information and debate, encompassing all areas which fall within the scope of plant science.
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