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首页> 外文期刊>Acta Horticulturae >Effect of soil in the growth of Gentiana lutea radical system in north mountain of Leon (Spain).
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Effect of soil in the growth of Gentiana lutea radical system in north mountain of Leon (Spain).

机译：土壤对莱昂（西班牙）北部山区的Gentiana lutea自由基系统生长的影响。

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摘要

Gentiana lutea is a high mountain wild plant whose roots have been traditionally used for medicinal purposes in the northwest mountains of the Iberian Peninsula, mainly as a stomach tonic or to solve a lack of appetite. These medicinal properties are mainly due to bitter compounds such as amarogentin, gentiopicrin and swertiamarin, which are mainly found in the outer layers of the roots. The aim of the project was to establish the relationship between soil characteristics and the development of gentian root system in adult plants. Soil and underground part samples have been collected from twelve populations. The underground parts, conveniently called 'roots', has been separated in rhizome, principal and secondary (or lateral) roots. The diameter and cortex thickness of the roots were measured. The results show that there was a positive significant correlation between Mn and K content in the soil and the ratio between cortex thickness and the total thickness of the roots. A significant positive correlation was also found for altitude and cortex thickness in both primary and secondary roots. In conclusion, high altitude and soils with elevated levels of Mn and K improved the growth and the quality of the roots.
机译：Gentiana lutea是一种高山野生植物，其根系传统上在伊比利亚半岛的西北山区用于药用，主要是作为补药或解决食欲不振的问题。这些药用特性主要归因于苦味化合物，例如a青霉素，龙胆苦素和苦味松，它们主要存在于根的外层。该项目的目的是建立土壤特性与成年植物龙胆根系发育之间的关系。已从十二个种群中采集了土壤和地下部分样本。地下部分被方便地称为“根”，已根状茎，主要和次要（或侧生）根分开。测量根的直径和皮层厚度。结果表明，土壤中锰和钾的含量与皮层厚度与根总厚度的比值呈正相关。在初生和次生根中，海拔和皮层厚度也发现了显着的正相关。总之，高海拔地区和锰和钾水平较高的土壤可改善根系的生长和质量。

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