Actividad polinizadora de insectos en huerto semillero clonal de Eucalyptus nitens (Deane et Maiden) Maiden, en Región del Biobío
Actividad polinizadora de insectos en huerto semillero clonal de Eucalyptus nitens (Deane et Maiden) Maiden, en Región del Biobío
Authors
Araneda Durán, Ximena
Morales Ulloa, Daniza
Fernández, José
Espejo, Jaime
Morales Ulloa, Daniza
Fernández, José
Espejo, Jaime
Authors
Date
2015
Datos de publicación:
Idesia, Vol. 33, N° 2, 41-46, 2015
Keywords
Apis mellifera - Polinizadores - Hymenoptera
Collections
Abstract
El objetivo de esta investigación fue determinar la presencia de polinizadores y el tiempo de permanencia en un huerto semillero clonal de Eucalyptus nitens. El estudio se realizó en el huerto semillero clonal Aguadas de Chumulco de propiedad de Forestal Mininco S.A., ubicado en la comuna de Mulchén, Región del Biobío. Para esto se realizó un ensayo en la temporada estival donde se determinó el tipo de polinizador en E. nitens mediante la captura de insectos con malla entomológica y posterior identificación por orden y familia mediante claves taxonómicas. Además, se tomaron registros de la actividad polinizadora de los insectos más predominantes durante una hora en tres períodos correspondientes a los tratamientos: mañana, medio día y tarde con siete repeticiones, registrando el tiempo de permanencia. Los resultados obtenidos indican que A. mellifera fue el insecto predominante en las flores de E. nitens durante el período estival con una participación del 91%, el 9% restante comprendió especies de los órdenes Hymenoptera y Diptera. Las visitas se concentraron durante las horas de la tarde, con mayor tiempo de permanencia A. mellifera durante la mañana y Bombus terrestris durante la tarde. En conclusión, los ordenes presentes sobre E. nitens fueron Hymenoptera y Diptera, con la especie A. mellifera seguido por B. terrestris, ambos con mayores visitas durante la tarde.
The objective of this research was to determine the presence of pollinators and the time spent on a clonal seed orchard of Eucalyptus nitens. The study was conducted in clonal seed orchard Aguadas de Chumulco property Forest Mininco S.A., located in the commune of Mulchén, Bío Bío Region. For this trial was conducted in the summer where the type of pollinator E. nitens was determined by capturing insects with entomological net and subsequent identification by order and family by taxonomic keys. In addition, records pollination of the most prevalent insects were taken for 1 hour in three time periods corresponding to treatments: morning, noon and afternoon with seven replicates, recording the time spent. The results obtained indicate that A. mellifera was the predominant insect in E. nitens flowers during the summer with a share of 91%, the remaining 9% understood species of Hymenoptera and Diptera orders. The visits were concentrated during the afternoon, with more time spent A. mellifera during the morning and in the afternoon Bombus terrestris. In conclusion, the orders present on E. nitens were Hymenoptera and Diptera, with the species A. mellifera followed by B. terrestris, both with more visits in the afternoon.
The objective of this research was to determine the presence of pollinators and the time spent on a clonal seed orchard of Eucalyptus nitens. The study was conducted in clonal seed orchard Aguadas de Chumulco property Forest Mininco S.A., located in the commune of Mulchén, Bío Bío Region. For this trial was conducted in the summer where the type of pollinator E. nitens was determined by capturing insects with entomological net and subsequent identification by order and family by taxonomic keys. In addition, records pollination of the most prevalent insects were taken for 1 hour in three time periods corresponding to treatments: morning, noon and afternoon with seven replicates, recording the time spent. The results obtained indicate that A. mellifera was the predominant insect in E. nitens flowers during the summer with a share of 91%, the remaining 9% understood species of Hymenoptera and Diptera orders. The visits were concentrated during the afternoon, with more time spent A. mellifera during the morning and in the afternoon Bombus terrestris. In conclusion, the orders present on E. nitens were Hymenoptera and Diptera, with the species A. mellifera followed by B. terrestris, both with more visits in the afternoon.