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Acta Agronómica
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Influencia de tratamientos pregerminativos en semillas de chile manzano (Capsicum pubescens Ruiz & Pav.)

Authors: Miguel Merino-Valdés; Pablo Andrés-Meza; Otto Raúl Leyva-Ovalle; Higinio López- Sánchez; Joaquín Murguía-González; Rosalía Núñez-Pastrana; Miguel Cebada-Merino; +5 Authors

Influencia de tratamientos pregerminativos en semillas de chile manzano (Capsicum pubescens Ruiz & Pav.)

Abstract

El chile Manzano o Cera (Capsicum pubescens), es una planta perenne originaria de las tierras altas de América del Sur. Durante su almacenamiento, el principal problema que presenta es su testa, lo cual ocasiona una disminución de la germinación en condiciones naturales. Debido a que existe poca información sobre la germinación, es necesario implementar alternativas que garanticen el recurso dentro de un programa de mejoramiento genético. El objetivo fue evaluar el efecto de ácido sulfúrico (H2SO4), peróxido de hidrógeno (H2O2) y ácido giberélico-3 (C19H22O6) sobre el porcentaje de emergencia y características de plántulas de semillas de C. pubescens. El experimento se realizó en la Unidad de Manejo y Conservación de Recursos Genéticos de la Facultad de Ciencias Biológicas y Agropecuarias de la Universidad Veracruzana. Se utilizaron semillas de C. pubescens provenientes de la localidad de Huatusco, Veracruz, México, almacenadas a temperatura ambiente durante un año. Los tratamientos estudiados fueron: inmersión en H2SO4 (100, 75, 60 %; 30 min); inmersión en H2O2 (20, 10, 15 %; 15 min), inmersión en C19H22O6 (25, 20, 15 mg; 24 h) y el tratamiento testigo. Los resultados en el presente estudio revelan diferencias estadísticas significativas (P ≤ 0,01) para todas las variables evaluadas. El mejor porcentaje de germinación se provocó con inmersión en C19H22O6 (15 mg; 24 h) y H2O2 (20 %; 15 min). El tratamiento con H2SO4 fue perjudicial ya que no hubo emergencia.

Keywords

osmoconditioning, dormancy, osm, Calidad fisiológica, ex situ conservation, osmoacondicionamiento, Physiological quality, chemical scarification, escarificación química, Agrociencias, latencia, conservación ex situ, oacondicionamiento

  • BIP!
    Impact byBIP!
    citations
    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).
    6
    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.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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citations
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!
6
Top 10%
Average
Average
Green
gold