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Botan‪ical Sciences
Article . 2023 . Peer-reviewed
License: CC BY NC
Data sources: Crossref
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Botan‪ical Sciences
Article . 2023
Data sources: DOAJ
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Cultivo in vitro de Agave potatorum, especie amenazada endémica de México

Authors: Ana Gabriela Téllez Torres; José Ángel Jiménez Rodríguez; Octavio González Caballero; Wendy Rocio Juárez Pérez; Samuel Martínez Martínez; Víctor Manuel Chávez Ávila;

Cultivo in vitro de Agave potatorum, especie amenazada endémica de México

Abstract

Antecedentes: Agave potatorum es una especie endémica importante ecológica, cultural y económicamente. Poco se cultiva y sus poblaciones naturales están desapareciendo, por lo que una alternativa es la propagación por cultivo de tejidos vegetales. Preguntas: ¿Es posible regenerar nuevos individuos partiendo de estructuras somáticas? ¿Qué explante regenera más plántulas? ¿Qué combinación de reguladores del crecimiento vegetal estimula una mayor formación de brotes? Especie estudiada: Agave potatorum, semillas de Oaxaca, México. Lugar de estudio y fechas: Jardín Botánico, Instituto de Biología, UNAM, Ciudad de México, México. Desde 2020. Métodos: Semillas se desinfectaron y germinaron in vitro y ex vitro. Se cultivaron in vitro explantes de cotiledones, tallos y hojas en medio MS modificado, un mes con BAP (0-2 mg/L) combinado con 2,4-D (0-0.5 mg/L), posteriormente en MS sin reguladores del crecimiento vegetal. Las plantas obtenidas con tres o más raíces se sometieron a un proceso de aclimatización. Resultados: A dos meses de iniciados los cultivos las semillas germinaron in vitro (56.04 %) y ex vitro (31.87 %). Después de 10 meses del período de inducción, se obtuvieron 228 brotes y plántulas, 206 procedían de los tratamientos BAP 1.5-2 mg/L con 2,4-D 0.5 mg/L, con 8.1-12.5 brotes/explante de tallo y hoja. Más del 70 % de las plantas sobrevivieron en invernadero luego de dos meses. Conclusiones: Esta investigación puede contribuir a la conservación de la especie, enfrentar los efectos del cambio climático, la conservación de servicios ecosistémicos y potenciar la economía mediante un aprovechamiento sustentable de ésta y otras especies amenazadas.

Keywords

cultivo de tejidos vegetales, QK1-989, Botany, organogénesis, conservación, cambio climático

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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
7
Top 10%
Average
Top 10%
gold