Reference : Wood formation in in vitro propagated walnut shoots in relation with root formation and ...
Scientific journals : Article
Life sciences : Biotechnology
http://hdl.handle.net/2268/2563
Wood formation in in vitro propagated walnut shoots in relation with root formation and development
English
Kevers, Claire mailto [Université de Liège - ULg > Département des sciences de la vie > Biologie moléculaire et biotechnologie végétales >]
Bisbis, Badia [Université de Liège - ULg> > Sciences de la vie> > > Biologie moléculaire et biotechnologie végétales > >]
Crèvecoeur, Michèle [Université de Genève> > > > > Physiologie et Biochimie végétales > >]
Gaspar, Thomas mailto [> > Botanique, radiobotanique & serres expér. >]
Dommes, Jacques mailto [Université de Liège - ULg > Département des sciences de la vie > Biologie moléculaire et biotechnologie végétales >]
Mar-2004
Acta Botanica Gallica : Bulletin de la Société Botanique de France
Soc Botanique France
151
1
45-53
Yes
International
1253-8078
Lille-Cedex
[en] auxin ; lignification ; rooting ; walnut
[en] Lignification and xylem cell multiplication for wood formation were examined in in vitro propagated walnut shoot cuttings after transfer on an auxin-containing rooting medium for one week and subsequently during root development in vermiculite in the absence of growth regulators. Lignification in the shoot stems started immediately after the exogenous auxin treatment which implied changes in peroxidase activity and in free IAA levels. Sustained lignification required the completion of the following rooting phases. The lignin was exclusively located in xylem cells, the number of which increased with the number of developing roots. The mutual interactions between the aerial parts of the plants and their roots are discussed.
Researchers ; Professionals
http://hdl.handle.net/2268/2563

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