Integration of attractive and defensive phytochemicals is unlikely to constrain chemical diversification in a perennial herb

Diversification of plant chemical phenotypes is typically associated with spatially and temporally variable plant-insect interactions. Floral scent is often assumed to be the target of pollinator-mediated selection, whereas foliar compounds are considered targets of antagonist-mediated selection. However, floral and vegetative phytochemicals can be biosynthetically linked and may thus evolve as integrated phenotypes. Utilizing a common garden of 28 populations of the perennial herb Arabis alpina (Brassicaceae), we investigated integration within and among floral scent compounds and foliar defense compounds (both volatile compounds and tissue-bound glucosinolates). Within floral scent volatiles, foliar volatile compounds, and glucosinolates, phytochemicals were often positively correlated, and correlations were stronger within these groups than between them. Thus, we found no evidence of integration between compound groups indicating that these are free to evolve independently. Relative ..., This data was collected in 2020 and 2021 at Lund university, Sweden and ETH Zürich, Switzerland. 
The data has been processed and cleaned for publication according to standard practices in the field of phytochemistry. Details on data handling can be found in the associated manuscript and supporting information., , # Integration of attractive and defensive phytochemicals is unlikely to constrain chemical diversification in a perennial herb

[https://doi.org/10.5061/dryad.15dv41p59](https://doi.org/10.5061/dryad.15dv41p59)

The two tables included in this repository contains information on floral scent, foliar volatile and glucosinolate content for 28 populations of the perennial herb *Arabis alpina* L. (Brassicaceae). Detailed descriptions of methods can be found in the associated publication.

## Description of the data and file structure

The data is structured in **two Excel files**. Each file contains two sheets, one README, and one datasheet. All compounds are reported in standardized units as either nanograms/flower/hour (floral scent volatiles), nanograms/gram/hour (foliar volatiles), or μmol g-1 dry tissue weight (glucosinolates).

Floral and foliar volatiles were collected using dynamic headspace and subsequent GC/MS analysis, and glucosinolates were analysed using LC/MS.

This data can ...

植物化学表型的多样化通常与时空动态的植物-昆虫互作紧密相关。学界普遍假设，花香是传粉者介导选择的作用靶标，而叶片次生代谢物则为天敌介导选择的作用靶标。然而，花香与营养体叶片的植物化学成分可能存在生物合成关联，因此可能作为整合的表型共同演化。

本研究以多年生草本植物高山南芥（Arabis alpina）的28个种群的共同花园实验圃为材料，探究了花香成分、叶片防御性成分（包括挥发性成分与组织结合态硫代葡萄糖苷（glucosinolates））内部及二者之间的整合性。研究结果显示，在花香挥发性成分、叶片挥发性成分以及硫代葡萄糖苷这三类物质内部，化学成分间多呈正相关，且组内相关性显著强于组间相关性。因此，我们未发现不同化合物类群间存在整合性的证据，表明这些类群可独立演化。相关[原文此处截断]……本数据集采集于2020年与2021年，采集地点为瑞典隆德大学（Lund University）与瑞士苏黎世联邦理工学院（ETH Zürich）。

本数据集已按照植物化学领域的标准研究规范进行处理与清洗，以用于学术发表。数据处理的详细细节可参见相关研究论文与辅助补充材料。

# 吸引性与防御性植物化学成分的整合性未限制多年生草本的化学多样化
https://doi.org/10.5061/dryad.15dv41p59

本仓库包含的两张表格涵盖了28个多年生草本高山南芥（Arabis alpina L.，十字花科（Brassicaceae））种群的花香成分、叶片挥发性成分与硫代葡萄糖苷含量信息。实验方法的详细描述可参见相关已发表论文。

## 数据与文件结构说明
本数据集以两个Excel文件形式存储。每个文件内含两个工作表：其一为README说明文档，其二为核心数据表。所有化合物均以标准化单位报告：花香挥发性成分为纳克/花/小时，叶片挥发性成分为纳克/克/小时，硫代葡萄糖苷则以微摩尔每克干组织重量（μmol·g⁻¹ 干重）计。

花香与叶片挥发性成分采用动态顶空吸附结合气相色谱-质谱联用（GC/MS）分析方法完成采集与检测，硫代葡萄糖苷采用液相色谱-质谱联用（LC/MS）方法进行分析。

本数据集可……