Biology Reference
In-Depth Information
Acknowledgements
moulting and producing a high mortality on
S. frugiperda and D. melanogaster were more
powerful than gedunin, Me-Ced, Me-Myrt
and Me-Yuc extracts (Céspedes et al. , 2000,
2006; Torres et al. , 2003). Although chemi-
cally distinct, the level of insecticidal activity
of these extracts derived from this Calceol-
ariaceae species is comparable to that of the
known insect growth regulator, gedunin.
Finally, based on the present investiga-
tions, plant material from Chilean Calceo-
lariaceae, Rhamnaceae and related species
should prove to be valuable sources of new
biologically active compounds, including
insecticides. New biological activity studies
of the isolated compounds are in progress.
We thank the financial support of CONICYT
- Chile (Comision Nacional de Investigacion
Cientifica y Tecnologica) through FONDECYT
Program; Grant # 1101003 to CLC is gratefully
acknowledged. To Direccion de Investigacion
of University of Bío-Bío for partial financial
support by grant # 091909-1/R. Special
thanks to Prof. David S. Seigler (Plant
Biology Department, University of Illinois),
and to Prof. Sara Palacios and Prof. Cecilia
Carpinella from Catholic University of
Cordoba, Argentina. CL and EM acknowl-
edge to FONDECYT-grant 1101003 for a
fellowship.
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