Trichloris crinita and T. pluriflora are perennial grasses native from Argentina that have productive potential as forage for arid and semi-arid regions
The objectives of the present work were to analyze in both species the variations in leaf stomatal distribution and density before two different water regimes and their association with rainfall at the place of origin. Six introductions for each species were characterized. Two trials were implemente...
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| Formato: | Artículo revista |
| Lenguaje: | Español |
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Sociedad Argentina de Botánica
2018
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| Acceso en línea: | https://revistas.unc.edu.ar/index.php/BSAB/article/view/21979 |
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I10-R325-article-219792019-12-14T13:45:59Z Trichloris crinita and T. pluriflora are perennial grasses native from Argentina that have productive potential as forage for arid and semi-arid regions Análisis de la distribución y densidad estomática en Trichloris (Chloridoideae, Poaceae), bajo diferentes regímenes hídricos Trod, María A. Tomas, Pablo A. Cervigni, Gerardo D. L. Zabala, Juan M. Marinoni, Lorena D. R. Giavedoni, Julio A. Densidad estomática gramíneas Leptochloa recursos genéticos Trichloris crinita Trichloris pluriflora. Genetics resources grasses Leptochloa Trichloris crinita Trichloris pluriflora stomatal density. The objectives of the present work were to analyze in both species the variations in leaf stomatal distribution and density before two different water regimes and their association with rainfall at the place of origin. Six introductions for each species were characterized. Two trials were implemented, one in a humid environment and the other in a dry environment. Measurements of foliar dimensions and stomatal counts in each material for each environment were made. The Principal Component Analysis represented 73.3% of the variation on the first two axes, responding to the effect of the evaluation environment on stomatal parameters and to the differences between species for their foliar dimensions. Significant differences were observed between introductions of T. crinita in both environments for most of the variables analyzed. Variations between introductions of T. pluriflora were observed only in humid environment. The observed variations correlated with rainfall at the collection site only for T. crinita. The variables used here were useful for the characterization of the materials analyzed; their implications for the conservation of this plant genetic resource are discussed. Trichloris crinita y T. pluriflora son gramíneas perennes nativas de Argentina que presentan potencialidad productiva como forrajeras para regiones áridas y semiáridas. Los objetivos del presente trabajo fueron analizar para ambas especies las variaciones en la distribución y densidad estomática foliar ante dos regímenes hídricos diferentes y su asociación con las precipitaciones en el lugar de origen. Se caracterizaron seis introducciones para cada especie, implantando dos ensayos, uno en ambiente húmedo y otro en ambiente seco, realizándose mediciones de dimensiones foliares y recuentos estomáticos en cada material para cada ambiente. El Análisis de Componentes Principales representó el 73,3% de la variación sobre los dos primeros ejes, respondiendo al efecto del ambiente de evaluación sobre los parámetros estomáticos y a las diferencias entre especies para las dimensiones foliares. Para T. crinita se observaron diferencias significativas entre introducciones para la mayoría de las variables analizadas en ambos ambientes. Para T. pluriflora, las variaciones entre las introducciones fueron evidentes solamente en el ambiente húmedo. Las variaciones observadas presentaron correlación con las precipitaciones en el sitio de colecta únicamente para T. crinita. Las variables aquí empleadas resultaron de utilidad para la caracterización de los materiales analizados; se discute su implicancia para la conservación del recurso fitogenético. Sociedad Argentina de Botánica 2018-12-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo original application/pdf https://revistas.unc.edu.ar/index.php/BSAB/article/view/21979 10.31055/1851.2372.v53.n4.21979 Boletín de la Sociedad Argentina de Botánica (Journal of the Argentine Botanical Society; Vol. 53 No. 4 (2018): December; 567-578 Boletín de la Sociedad Argentina de Botánica; Vol. 53 Núm. 4 (2018): Diciembre; 567-578 Boletín de la Sociedad Argentina de Botánica; v. 53 n. 4 (2018): Diciembre; 567-578 1851-2372 0373-580X 10.31055/1851.2372.v53.n4 spa https://revistas.unc.edu.ar/index.php/BSAB/article/view/21979/21607 Derechos de autor 2018 Boletín de la Sociedad Argentina de Botánica |
| institution |
Universidad Nacional de Córdoba |
| institution_str |
I-10 |
| repository_str |
R-325 |
| container_title_str |
Boletín de la Sociedad Argentina de Botánica |
| language |
Español |
| format |
Artículo revista |
| topic |
Densidad estomática gramíneas Leptochloa recursos genéticos Trichloris crinita Trichloris pluriflora. Genetics resources grasses Leptochloa Trichloris crinita Trichloris pluriflora stomatal density. |
| spellingShingle |
Densidad estomática gramíneas Leptochloa recursos genéticos Trichloris crinita Trichloris pluriflora. Genetics resources grasses Leptochloa Trichloris crinita Trichloris pluriflora stomatal density. Trod, María A. Tomas, Pablo A. Cervigni, Gerardo D. L. Zabala, Juan M. Marinoni, Lorena D. R. Giavedoni, Julio A. Trichloris crinita and T. pluriflora are perennial grasses native from Argentina that have productive potential as forage for arid and semi-arid regions |
| topic_facet |
Densidad estomática gramíneas Leptochloa recursos genéticos Trichloris crinita Trichloris pluriflora. Genetics resources grasses Leptochloa Trichloris crinita Trichloris pluriflora stomatal density. |
| author |
Trod, María A. Tomas, Pablo A. Cervigni, Gerardo D. L. Zabala, Juan M. Marinoni, Lorena D. R. Giavedoni, Julio A. |
| author_facet |
Trod, María A. Tomas, Pablo A. Cervigni, Gerardo D. L. Zabala, Juan M. Marinoni, Lorena D. R. Giavedoni, Julio A. |
| author_sort |
Trod, María A. |
| title |
Trichloris crinita and T. pluriflora are perennial grasses native from Argentina that have productive potential as forage for arid and semi-arid regions |
| title_short |
Trichloris crinita and T. pluriflora are perennial grasses native from Argentina that have productive potential as forage for arid and semi-arid regions |
| title_full |
Trichloris crinita and T. pluriflora are perennial grasses native from Argentina that have productive potential as forage for arid and semi-arid regions |
| title_fullStr |
Trichloris crinita and T. pluriflora are perennial grasses native from Argentina that have productive potential as forage for arid and semi-arid regions |
| title_full_unstemmed |
Trichloris crinita and T. pluriflora are perennial grasses native from Argentina that have productive potential as forage for arid and semi-arid regions |
| title_sort |
trichloris crinita and t. pluriflora are perennial grasses native from argentina that have productive potential as forage for arid and semi-arid regions |
| description |
The objectives of the present work were to analyze in both species the variations in leaf stomatal distribution and density before two different water regimes and their association with rainfall at the place of origin. Six introductions for each species were characterized. Two trials were implemented, one in a humid environment and the other in a dry environment. Measurements of foliar dimensions and stomatal counts in each material for each environment were made. The Principal Component Analysis represented 73.3% of the variation on the first two axes, responding to the effect of the evaluation environment on stomatal parameters and to the differences between species for their foliar dimensions. Significant differences were observed between introductions of T. crinita in both environments for most of the variables analyzed. Variations between introductions of T. pluriflora were observed only in humid environment. The observed variations correlated with rainfall at the collection site only for T. crinita. The variables used here were useful for the characterization of the materials analyzed; their implications for the conservation of this plant genetic resource are discussed. |
| publisher |
Sociedad Argentina de Botánica |
| publishDate |
2018 |
| url |
https://revistas.unc.edu.ar/index.php/BSAB/article/view/21979 |
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2024-09-03T22:49:12Z |
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2024-09-03T22:49:12Z |
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