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Trichomes Morphology and Essential Oils Characterization of Field-Growing and In Vitro Propagated Plants of Lavandula pedunculata

Published online by Cambridge University Press:  03 October 2008

M. Zuzarte ,
A.M. Dinis ,
C. Cavaleiro ,
J. Canhoto  and
L. Salgueiro
M. Zuzarte
Affiliation:
Dep. of Botany, Faculty of Sciences and Technology, Calçada Martim de Freitas 3001-455 Coimbra, Univ. of Coimbra, Portugal Lab. of Pharmacognosy/CEF, Fac. of Pharmacy, Rua do Norte 3000-295 Coimbra, Univ. of Coimbra, Portugal
A.M. Dinis
Affiliation:
Dep. of Botany, Faculty of Sciences and Technology, Calçada Martim de Freitas 3001-455 Coimbra, Univ. of Coimbra, Portugal Lab. of Pharmacognosy/CEF, Fac. of Pharmacy, Rua do Norte 3000-295 Coimbra, Univ. of Coimbra, Portugal
C. Cavaleiro
Affiliation:
Lab. of Pharmacognosy/CEF, Fac. of Pharmacy, Rua do Norte 3000-295 Coimbra, Univ. of Coimbra, Portugal
J. Canhoto
Affiliation:
Dep. of Botany, Faculty of Sciences and Technology, Calçada Martim de Freitas 3001-455 Coimbra, Univ. of Coimbra, Portugal Lab. of Pharmacognosy/CEF, Fac. of Pharmacy, Rua do Norte 3000-295 Coimbra, Univ. of Coimbra, Portugal
L. Salgueiro
Affiliation:
Lab. of Pharmacognosy/CEF, Fac. of Pharmacy, Rua do Norte 3000-295 Coimbra, Univ. of Coimbra, Portugal

Abstract

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The selection of native Lavandula species and their economic exploitation have increased in the last few years. Micropropagation techniques have been used as an alternative for vegetative propagation allowing the multiplication of selected genotypes and chemotypes. Our previous studies showed that the essential oils of Lavandula pedunculata have an important antifungal activity against dermatophyte strains. Therefore, a new line of investigation concerning the in vitro culture of this species is justified. In the present study we compare the morphology of the leaf trichomes and the chemical composition of their essential oils in both field-growing and in vitro propagated plants.

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Abstract
Information
Microscopy and Microanalysis , Volume 14 , Supplement S3 , September 2008 , pp. 148 - 149
Copyright
Copyright © Microscopy Society of America 2008