This work describes an efficient micropropagation protocol of Lippia filifolia. Nodal segments cultivation in MS medium supplemented with 6-benzylaminopurine (4.5 μM)/α-naphthaleneacetic acid (NAA; 54 nM) induced multiple shoots (in average 27 shoots per explant). Elongated shoots were rooted with NAA (0.11 μM) and they maintained ploidy level of the in vitro produced explants. The basic chromosome number were 2n=2x=24. Regenerated rooted shoots were successfully acclimatized under shading house conditions. This is the first report involving the establishment of a protocol for shoot multiplication and rooting for endangered L. filifolia, contributing for germplasm preservation of this species.
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1 November 2006
IN VITRO PROPAGATION OF ENDANGERED LIPPIA FILIFOLIA MART. AND SCHAUER EX SCHAUER
PAULO HENRIQUE PEREIRA PEIXOTO,
FáTIMA REGINA GONçALVES SALIMENA,
MARCELO DE OLIVEIRA SANTOS,
LEONARDO DA SILVA GARCIA,
PATRíCIA MARIA DE OLIVEIRA PIERRE,
LYDERSON FACIO VICCINI,
WAGNER CAMPOS OTONI
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In Vitro Cellular and Developmental Biology - Plant
Vol. 42 • No. 6
November 2006
Vol. 42 • No. 6
November 2006
Chromosome stability
conservation
Medicinal plant
micropropagation
Verbenaceae