Morphological variation of the labellum of Vanilla planifolia Andrews (Orchidaceae) in Oaxaca, Mexico
Infraspecific variation has transcendental ecological consequences for species adaptation to new niches. Estimating levels of variation is key for understanding the life history of a species, as well as for designing strategies for use and conservation. For this reason, the objective of this study...
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| Autores principales: | , , , |
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| Formato: | Online |
| Lenguaje: | eng |
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Facultad de Ciencias Agrarias-UNCuyo
2020
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| Acceso en línea: | https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3827 |
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I11-R107article-3827 |
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Universidad Nacional de Cuyo |
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Revistas en línea |
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Revistas en línea |
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Revista de la Facultad de Ciencias Agrarias |
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Revista de la Facultad de Ciencias Agrarias |
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I-11 |
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R-107 |
| language |
eng |
| format |
Online |
| author |
Hernandez-Ruiz, Jesus Delgado-Alvarado, Adriana Salazar-Rojas, Víctor Manuel Herrera-Cabrera, Braulio E. |
| spellingShingle |
Hernandez-Ruiz, Jesus Delgado-Alvarado, Adriana Salazar-Rojas, Víctor Manuel Herrera-Cabrera, Braulio E. Morphological variation of the labellum of Vanilla planifolia Andrews (Orchidaceae) in Oaxaca, Mexico medio ambiente fondo primario morfometría vainilla environment primary pool morphometry vanilla |
| author_facet |
Hernandez-Ruiz, Jesus Delgado-Alvarado, Adriana Salazar-Rojas, Víctor Manuel Herrera-Cabrera, Braulio E. |
| author_sort |
Hernandez-Ruiz, Jesus |
| title |
Morphological variation of the labellum of Vanilla planifolia Andrews (Orchidaceae) in Oaxaca, Mexico |
| title_short |
Morphological variation of the labellum of Vanilla planifolia Andrews (Orchidaceae) in Oaxaca, Mexico |
| title_full |
Morphological variation of the labellum of Vanilla planifolia Andrews (Orchidaceae) in Oaxaca, Mexico |
| title_fullStr |
Morphological variation of the labellum of Vanilla planifolia Andrews (Orchidaceae) in Oaxaca, Mexico |
| title_full_unstemmed |
Morphological variation of the labellum of Vanilla planifolia Andrews (Orchidaceae) in Oaxaca, Mexico |
| title_sort |
morphological variation of the labellum of vanilla planifolia andrews (orchidaceae) in oaxaca, mexico |
| description |
Infraspecific variation has transcendental ecological consequences for species adaptation to new niches. Estimating levels of variation is key for understanding the life history of a species, as well as for designing strategies for use and conservation. For this reason, the objective of this study was to characterize infra-specific morphological variation of the labellum of V. planifolia, of 122 flowers from 28 specimens from the state of Oaxaca and two specimens from Veracruz, Mexico. The labellum of each flower was dissected and analyzed by morphometry. Sixty variables were obtained and grouped into basal, middle and apical regions. An analysis of variance was performed considering the collections and the origin of each individual as sources of variation. Principal components and cluster analyses were also conducted. Differences in the 60 variables analyzed were highly significant among the collections. Among environments, 18 variables showed significant differences, which were situated in the lateral and middle lobes of the labellum. Thus, these structures were considered susceptible to environmental changes. The remaining 42 variables situated in the basal and middle regions of the labellum, which were fused to the edges of the floral column were not significantly different among environments. With the first three principal components, the model explained 73% of the total variation studied. Morphological variation of the flower labellum was represented by four morphotypes distributed in three environments.
Highlights
The evaluation of vanilla flowers wild does not allow to have the same number of treatments or repetitions, for the inaccessibility of the species.
Morphometric analysis of the labellum revealed infra-specific variation in the germplasm of Vanilla planifolia.
The features of the basal and middle regions of the labellum are the most informative in distinguishing the variation between vanilla specimens.
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| publisher |
Facultad de Ciencias Agrarias-UNCuyo |
| publishDate |
2020 |
| url |
https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3827 |
| topic |
medio ambiente fondo primario morfometría vainilla environment primary pool morphometry vanilla |
| topic_facet |
medio ambiente fondo primario morfometría vainilla environment primary pool morphometry vanilla |
| work_keys_str_mv |
AT hernandezruizjesus morphologicalvariationofthelabellumofvanillaplanifoliaandrewsorchidaceaeinoaxacamexico AT delgadoalvaradoadriana morphologicalvariationofthelabellumofvanillaplanifoliaandrewsorchidaceaeinoaxacamexico AT salazarrojasvictormanuel morphologicalvariationofthelabellumofvanillaplanifoliaandrewsorchidaceaeinoaxacamexico AT herreracabrerabraulioe morphologicalvariationofthelabellumofvanillaplanifoliaandrewsorchidaceaeinoaxacamexico |
| _version_ |
1800220923736883200 |
| spelling |
I11-R107article-38272020-12-04T21:59:31Z Morphological variation of the labellum of Vanilla planifolia Andrews (Orchidaceae) in Oaxaca, Mexico Morphological variation of the labellum of Vanilla planifolia Andrews (Orchidaceae) in Oaxaca, Mexico Hernandez-Ruiz, Jesus Delgado-Alvarado, Adriana Salazar-Rojas, Víctor Manuel Herrera-Cabrera, Braulio E. medio ambiente fondo primario morfometría vainilla environment primary pool morphometry vanilla Infraspecific variation has transcendental ecological consequences for species adaptation to new niches. Estimating levels of variation is key for understanding the life history of a species, as well as for designing strategies for use and conservation. For this reason, the objective of this study was to characterize infra-specific morphological variation of the labellum of V. planifolia, of 122 flowers from 28 specimens from the state of Oaxaca and two specimens from Veracruz, Mexico. The labellum of each flower was dissected and analyzed by morphometry. Sixty variables were obtained and grouped into basal, middle and apical regions. An analysis of variance was performed considering the collections and the origin of each individual as sources of variation. Principal components and cluster analyses were also conducted. Differences in the 60 variables analyzed were highly significant among the collections. Among environments, 18 variables showed significant differences, which were situated in the lateral and middle lobes of the labellum. Thus, these structures were considered susceptible to environmental changes. The remaining 42 variables situated in the basal and middle regions of the labellum, which were fused to the edges of the floral column were not significantly different among environments. With the first three principal components, the model explained 73% of the total variation studied. Morphological variation of the flower labellum was represented by four morphotypes distributed in three environments. Highlights The evaluation of vanilla flowers wild does not allow to have the same number of treatments or repetitions, for the inaccessibility of the species. Morphometric analysis of the labellum revealed infra-specific variation in the germplasm of Vanilla planifolia. The features of the basal and middle regions of the labellum are the most informative in distinguishing the variation between vanilla specimens. Infraspecific variation has transcendental ecological consequences for species adaptation to new niches. Estimating levels of variation is key for understanding the life history of a species, as well as for designing strategies for use and conservation. For this reason, the objective of this study was to characterize infra-specific morphological variation of the labellum of V. planifolia, of 122 flowers from 28 specimens from the state of Oaxaca and two specimens from Veracruz, Mexico. The labellum of each flower was dissected and analyzed by morphometry. Sixty variables were obtained and grouped into basal, middle and apical regions. An analysis of variance was performed considering the collections and the origin of each individual as sources of variation. Principal components and cluster analyses were also conducted. Differences in the 60 variables analyzed were highly significant among the collections. Among environments, 18 variables showed significant differences, which were situated in the lateral and middle lobes of the labellum. Thus, these structures were considered susceptible to environmental changes. The remaining 42 variables situated in the basal and middle regions of the labellum, which were fused to the edges of the floral column were not significantly different among environments. With the first three principal components, the model explained 73% of the total variation studied. Morphological variation of the flower labellum was represented by four morphotypes distributed in three environments. Highlights The evaluation of vanilla flowers wild does not allow to have the same number of treatments or repetitions, for the inaccessibility of the species. Morphometric analysis of the labellum revealed infra-specific variation in the germplasm of Vanilla planifolia. The features of the basal and middle regions of the labellum are the most informative in distinguishing the variation between vanilla specimens. Facultad de Ciencias Agrarias-UNCuyo 2020-12-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3827 Revista de la Facultad de Ciencias Agrarias UNCuyo; Vol. 52 No. 2 (2020): June-December; 160-175 Revista de la Facultad de Ciencias Agrarias UNCuyo; Vol. 52 Núm. 2 (2020): Julio-Diciembre; 160-175 1853-8665 0370-4661 eng https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3827/2769 |
