Germination, vegetative growth and floral morphology of Dasylirion cedrosanum from the rosetophyllous scrub of Coahuila

Sotol (Dasylirion cedrosanum Trel.), endemic species of northeastern Mexico, has attracted economic and social interest due to its commercial potencial. The objective of this work was to characterize the germination, vegetative growth and floral morphology of D. cedrosanum from the rosetophyllous sc...

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Main Authors:	Benavides-Mendoza, Adalberto, Hernández-Juárez, Agustín, Francisco-Francisco, Nazario
Format:	Online
Language:	spa
Published:	Universidad Autónoma de Tamaulipas 2023
Online Access:	https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/1772
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id	oai:ojs.pkp.sfu.ca:article-1772
record_format	ojs
institution	CIENCIA UAT
collection	OJS
language	spa
format	Online
author	Benavides-Mendoza, Adalberto Hernández-Juárez, Agustín Francisco-Francisco, Nazario
spellingShingle	Benavides-Mendoza, Adalberto Hernández-Juárez, Agustín Francisco-Francisco, Nazario Germination, vegetative growth and floral morphology of Dasylirion cedrosanum from the rosetophyllous scrub of Coahuila
author_facet	Benavides-Mendoza, Adalberto Hernández-Juárez, Agustín Francisco-Francisco, Nazario
author_sort	Benavides-Mendoza, Adalberto
title	Germination, vegetative growth and floral morphology of Dasylirion cedrosanum from the rosetophyllous scrub of Coahuila
title_short	Germination, vegetative growth and floral morphology of Dasylirion cedrosanum from the rosetophyllous scrub of Coahuila
title_full	Germination, vegetative growth and floral morphology of Dasylirion cedrosanum from the rosetophyllous scrub of Coahuila
title_fullStr	Germination, vegetative growth and floral morphology of Dasylirion cedrosanum from the rosetophyllous scrub of Coahuila
title_full_unstemmed	Germination, vegetative growth and floral morphology of Dasylirion cedrosanum from the rosetophyllous scrub of Coahuila
title_sort	germination, vegetative growth and floral morphology of dasylirion cedrosanum from the rosetophyllous scrub of coahuila
description	Sotol (Dasylirion cedrosanum Trel.), endemic species of northeastern Mexico, has attracted economic and social interest due to its commercial potencial. The objective of this work was to characterize the germination, vegetative growth and floral morphology of D. cedrosanum from the rosetophyllous scrub of Coahuila. Three batches of 100 seeds were submitted to an imbibition process and the germination percentage was recorded. The characterization of the germination was carried out on the seedlings grown in the laboratory, while the vegetative morphology was determined in adult plants taken from a botanical garden, with a known planting date and which were not given a crop management. The description of the floral morphology was carried out on wild plants from the San Lorenzo canyon, near the municipality of Saltillo, Coahuila, Mexico. The imbibition showed the first phase of absorption within 48 h, with an increase of 52 % in weight. The third phase began at 96 h with an increase of 55 % in weight. The seeds emitted the hypocotyl from the fifth day. On the tenth day 98 % germination was obtained. Among the distinctive morphological characteristics of the species, the inflorescences, known as “floral scapes”, recorded an average height of 3.39 m. The flowers were actinomorphic and unisexual. The staminate flower presented perianth without differentiation of tepals and sepals, while the pistillate flowers showed pedicels and a short receptacle. The pollen was elliptical, with a monosulcate opening, with a dimension of 15 mm x 30 mm. The fruits were dry and indehiscent, known as samara. The seeds were turbinated with a trigonal contour. The germination and characteristics of the sotol corresponded to adaptations that allow it to grow in the semi-arid environment of this region of the country.
publisher	Universidad Autónoma de Tamaulipas
publishDate	2023
url	https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/1772
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spelling	oai:ojs.pkp.sfu.ca:article-17722023-11-24T19:19:15Z Germination, vegetative growth and floral morphology of Dasylirion cedrosanum from the rosetophyllous scrub of Coahuila Germinación, crecimiento vegetativo y morfología floral de Dasylirion cedrosanum del matorral rosetófilo de Coahuila Benavides-Mendoza, Adalberto Hernández-Juárez, Agustín Francisco-Francisco, Nazario Dioecy caudex inflorescence flowering imbibition phases Dioecia caudex inflorescencia floración fases de la imbibición Sotol (Dasylirion cedrosanum Trel.), endemic species of northeastern Mexico, has attracted economic and social interest due to its commercial potencial. The objective of this work was to characterize the germination, vegetative growth and floral morphology of D. cedrosanum from the rosetophyllous scrub of Coahuila. Three batches of 100 seeds were submitted to an imbibition process and the germination percentage was recorded. The characterization of the germination was carried out on the seedlings grown in the laboratory, while the vegetative morphology was determined in adult plants taken from a botanical garden, with a known planting date and which were not given a crop management. The description of the floral morphology was carried out on wild plants from the San Lorenzo canyon, near the municipality of Saltillo, Coahuila, Mexico. The imbibition showed the first phase of absorption within 48 h, with an increase of 52 % in weight. The third phase began at 96 h with an increase of 55 % in weight. The seeds emitted the hypocotyl from the fifth day. On the tenth day 98 % germination was obtained. Among the distinctive morphological characteristics of the species, the inflorescences, known as “floral scapes”, recorded an average height of 3.39 m. The flowers were actinomorphic and unisexual. The staminate flower presented perianth without differentiation of tepals and sepals, while the pistillate flowers showed pedicels and a short receptacle. The pollen was elliptical, with a monosulcate opening, with a dimension of 15 mm x 30 mm. The fruits were dry and indehiscent, known as samara. The seeds were turbinated with a trigonal contour. The germination and characteristics of the sotol corresponded to adaptations that allow it to grow in the semi-arid environment of this region of the country. El sotol (Dasylirion cedrosanum Trel.), especie endémica del noreste de México, presenta interés económico y social por su aprovechamiento comercial. El objetivo del presente trabajo fue caracterizar la germinación, crecimiento vegetativo y morfología floral de D. cedrosanum del matorral rosetófilo de Coahuila. Se sometieron 3 lotes de 100 semillas a un proceso de imbibición y se registró el porcentaje de germinación. La caracterización de la germinación se realizó a las plántulas cultivadas en laboratorio, mientras que la morfología vegetativa se determinó en plantas adultas tomadas de un jardín botánico, con fecha de siembra conocida y a las cuales no se les dio un manejo de cultivo. La descripción de la morfología floral se realizó en plantas silvestres del cañón de San Lorenzo, Saltillo, Coahuila, México. La primera fase de la imbibición duró 48 h e incrementó 52 % el peso; la segunda o de latencia duró 48 h alcanzando un 55 %; y la tercera concluyó a las 120 h con un incremento total del 60 % de peso. Las semillas emitieron el hipocótilo a partir del quinto día. En el décimo día se obtuvo 98 % de germinación. Entre las características morfológicas distintivas de la especie, las inflorescencias, conocidas como “escapos florales”, registraron una altura promedio de 3.39 m. Las flores fueron actinomorfas y unisexuales. La flor estaminada presentó perianto sin diferenciación de tépalos y sépalos. Las flores pistiladas mostraron pedicelos y receptáculo corto. El polen fue elíptico, de abertura monosulcada, con dimensión de 15 mm x 30 mm. Los frutos fueron secos e indehiscentes, conocidos como samara. Las semillas fueron turbinadas de contorno trigonal. El análisis de las características de germinación y morfología vegetativa y floral del sotol permitieron comprender las adaptaciones que esta planta ha desarrollado para crecer en los ambientes semiáridos del país. Universidad Autónoma de Tamaulipas 2023-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/html text/xml https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/1772 10.29059/cienciauat.v18i1.1772 CienciaUAT; Vol. 18, No. 1. July-December 2023; 191-201 CienciaUAT; Vol. 18, No. 1: julio-diciembre 2023; 191-201 2007-7858 2007-7521 spa https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/1772/1116 https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/1772/1083 https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/1772/1135 Derechos de autor 2022 Universidad Autónoma de Tamaulipas https://creativecommons.org/licenses/by-nc-sa/4.0

Germination, vegetative growth and floral morphology of Dasylirion cedrosanum from the rosetophyllous scrub of Coahuila

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