Vanilla insignis Ames. (Orchidaceae): morphological variation of the labellum in Quintana Roo, Mexico

IF 1.2 4区生物学 Q3 PLANT SCIENCES

Plant Genetic Resources: Characterization and Utilization Pub Date : 2023-09-01 DOI:10.1017/s147926212300062x

B. Herrera-Cabrera, Néstor Hernández-Silva, A. Delgado-Alvarado, Agustín Maceda

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引用次数: 0

Abstract

The shape of the flower can vary based on the type of pollinator or the environment in which the plant develops. In Vanilla insignis, there are no studies that analyse the shape of the labellum of the flower as has been done in V. planifolia. Therefore, the study aimed to determine the variation in the shape of the labellum of V. insignis through a morphometric analysis in different environmental conditions in the state of Quintana Roo, Mexico. The results showed that there were significant differences in the variables analysed. Principal component analysis and dendrogram analysis reveal that four V. insignis morphotypes were possibly associated with soil water availability conditions because there were significant differences between the variables that define the apical region. In addition, the distribution of the morphotypes corresponded with the presence of humidity regardless of geographical distances such as in the populations of Tenampulco, Puebla and Caobas, Quintana Roo. The presence of these morphotypes allows the development of conservation programmes and genetic improvement of the species of V. insignis and related commercial species.

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香草徽章，艾姆斯。(兰科):墨西哥金塔纳罗奥地区唇瓣的形态变异

花朵的形状可以根据传粉者的类型或植物生长的环境而变化。在香草徽章中，没有研究分析花的唇瓣形状，就像在V. planifolia中所做的那样。因此，本研究旨在通过形态计量学分析，确定在墨西哥金塔纳罗奥州不同环境条件下V. insignis唇瓣形状的变化。结果表明，所分析的变量存在显著差异。主成分分析和树形图分析表明，四种形态可能与土壤水分有效性条件有关，因为定义顶端区域的变量之间存在显著差异。此外，形态型的分布与湿度的存在相对应，无论地理距离如何，例如在Tenampulco, Puebla和Caobas, Quintana Roo的种群中。这些形态型的存在使得保护计划的发展和对紫斑莲和相关商业物种的遗传改良成为可能。

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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来源期刊

Plant Genetic Resources: Characterization and Utilization Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

2.80

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Plant Genetic Resources is an international journal which provides a forum for describing the application of novel genomic technologies, as well as their integration with established techniques, towards the understanding of the genetic variation captured in both in situ and ex situ collections of crop and non-crop plants; and for the airing of wider issues relevant to plant germplasm conservation and utilisation. We particularly welcome multi-disciplinary approaches that incorporate both a technical and a socio-economic focus. Technical aspects can cover developments in technologies of potential or demonstrated relevance to the analysis of variation and diversity at the phenotypic and genotypic levels.