Investigating Phenotypic Diversity in a Germplasm Collection of Scarlet Eggplant under Mediterranean Conditions

Horticultural Studies Pub Date : 2024-01-01 DOI:10.16882/hortis.1413023

Flavien Shimira, H. Boyaci, H. Taşkın

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Abstract

This study aimed to determine phenotypic diversity in the germplasm collection of Solanum aethiopicum, also known as scarlet eggplant, under Mediterranean conditions. Two different experiments were established in which morphological and valuable agronomic traits were employed to measure diversity among 57 and 55 accessions, respectively. The experiments were carried out in a greenhouse and open field, and descriptors designated by the European Cooperative Program for Plant Genetic Resources (ECPGR) and the International Board for Plant Genetic Resources (IBPGR) were used to measure the plants and fruits. The results from descriptive statistics on quantitative traits data of plants and fruits show a great variation among accessions of Solanum aethiopicum. Multiple correlation analysis in the two distinct experiments shows that the highly correlated variables/descriptors represented fruit quantitative traits. Finally, results from principal component analysis (PCA) confirm that the overall differences observed in the germplasm collection of Solanum aethiopicum were mainly due to fruit quantitative traits, which are decisive for phenotypic characterization of this eggplant.

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调查地中海条件下猩红茄子种质资源的表型多样性

本研究旨在确定地中海条件下茄子种质资源的表型多样性。在两个不同的实验中，分别采用形态特征和有价值的农艺性状来衡量 57 个和 55 个种质的多样性。实验分别在温室和露地进行，并使用欧洲植物遗传资源合作计划（ECPGR）和国际植物遗传资源委员会（IBPGR）指定的描述符来测量植物和果实。对植株和果实数量性状数据的描述性统计结果表明，茄属植物不同品种之间存在很大差异。两个不同实验的多重相关分析表明，高度相关的变量/描述因子代表了果实的数量性状。最后，主成分分析（PCA）的结果证实，在茄子种质资源中观察到的总体差异主要是由果实数量性状造成的，而果实数量性状对这种茄子的表型特征具有决定性作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Horticultural Studies

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