Xyridion 亚属鸢尾花水系比较分析

L. F. Beksheneva, A. A. Reut
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引用次数: 0

摘要

文章介绍了对生长在俄罗斯科学院乌法联邦研究中心南乌拉尔植物园研究所的 11 个鸢尾属类群的水系特征进行实验评估的结果。这项工作的目的是研究和比较鸢尾亚属 Xyridion 与当地物种的水系特征。研究是在 2019-2022 年的生长季节进行的,采用了公认的生理技术(饱和法和人工萎蔫法)。详细分析了水分系统三个参数的日动态和季节动态,包括总含水量、持水量和缺水量。在所研究的物种之间,确定了水系特征的异同,并揭示了各项指标对天气条件的依赖性。研究表明,在巴什科尔托斯坦共和国的植物区系中,既有保水能力变化范围较大的物种(I. pumila),也有比较保守的物种(I. pseudacorus、I. sibirica)。引入的 Xyridion 类群也坚持这样或那样的策略,这可以作为成功引入的指标。该研究有助于确定引进物种与本地物种相比在生态和生理方面的适应性,这可以成为评估栽培前景和保护珍稀濒危物种的基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparative analysis of the water regime of irises of the subgenus Xyridion
The article presents the results of an experimental assessment of the features of the water regime of 11 taxa of the genus Iris L. growing in the South-Ural Botanical Garden-Institute of Ufa Federal Research Center of the Russian Academy of Sciences. The purpose of the work is to study and compare some features of the water regime of irises of the subgenus Xyridion with local species. The studies were carried out during the growing seasons of 2019-2022 using generally accepted physiological techniques (the method of saturation and artificial wilting). A detailed analysis of the daily and seasonal dynamics of three parameters of the water regime was made total water content, water-holding capacity, water deficit. Between the studied species, similarities and differences in the characteristics of the water regime were established, and the dependence of indicators on weather conditions was revealed. It was revealed that in the flora of the Republic of Bashkortostan there are species both with a wide range of variability in water-retaining capacity (I. pumila) and with a rather conservative one (I. pseudacorus, I. sibirica). Introduced taxa of Xyridion also adhere to one or another strategy, which can serve as an indicator of successful introduction. The study contributes to the identification of ecological and physiological adaptations of introduced species in comparison with native species, which can become the basis for assessing the prospects of cultivation in culture and the conservation of rare and endangered species.
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