Promoción de la emergencia de enterolobium contortisiliquum (vell.) morong
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Recursos Genéticos Forestales
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Los estudios acerca de la promoción y comportamiento de la germinación contribuyen al avance de métodos adecuados para el manejo de especies forestales. El objetivo de este estudio fue investigar la promoción de la emergencia en Enterolobium contortisiliquum, tomando en cuenta la viabilidad y tratamientos pregerminativos de escarificación física, mecánica y física-mecánica y su influencia sobre la emergencia de plántulas. Las semillas se separaron en tres categorías de peso (ligeras, intermedias y pesadas) para determinar el porcentaje de germinación por clase. A fin de evaluar la calidad fisiológica de las semillas, se logró la interpretación de pruebas de viabilidad y detección de daños en semillas por métodos destructivos y no destructivos; y se demostró la utilidad de estas técnicas. En cuanto al efecto de tratamientos pregerminativos de semillas para promover la emergencia de plántulas E. contortisiliquum, concluimos que resultó con mayor eficacia el escarificado mecánico, con ruptura del tegumento mediante exposición a las aspas de licuadora a baja velocidad por 30 segundos, previo a la siembra.
Studies on the promotion and behavior of germination contribute to Contribute to the development of suitable methods for the management of forest species. The object of this study was to investigate the promotion of emergence on Enterolobium contortisiliquum, taking into account the viability and pregerminative treatments of physical, mechanical and physical-mechanical scarification and their influence on the emergence of seedlings. The seeds were separated into three categories according to their weight (light, intermediate and heavy) to determine the percentage of germination per class. To evaluate the physiological quality of the seeds, it was possible to perform and interpret the results of viability tests and to detect of seed damage by destructive and non-destructive methods; and the usefulness of these techniques was demonstrated. Regarding the effect of pregerminative treatments of seeds to promote the emergence of E. contortisiliquum seedlings, we concluded that the mechanical scarification was more effective, with tegument rupture by exposure to blender blades at low speed for 30 seconds, prior to planting.
Studies on the promotion and behavior of germination contribute to Contribute to the development of suitable methods for the management of forest species. The object of this study was to investigate the promotion of emergence on Enterolobium contortisiliquum, taking into account the viability and pregerminative treatments of physical, mechanical and physical-mechanical scarification and their influence on the emergence of seedlings. The seeds were separated into three categories according to their weight (light, intermediate and heavy) to determine the percentage of germination per class. To evaluate the physiological quality of the seeds, it was possible to perform and interpret the results of viability tests and to detect of seed damage by destructive and non-destructive methods; and the usefulness of these techniques was demonstrated. Regarding the effect of pregerminative treatments of seeds to promote the emergence of E. contortisiliquum seedlings, we concluded that the mechanical scarification was more effective, with tegument rupture by exposure to blender blades at low speed for 30 seconds, prior to planting.
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Porger, Romina Fabiana y Luna, Claudia Verónica, 2018. Promoción de la emergencia de enterolobium contortisiliquum (vell.) morong. Foresta Veracruzana. Xalapa: Recursos Genéticos Forestales, vol. 20, no. 1, p. 23-30. ISSN 1405-7247.
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