Articles
ADVENTITIOUS RHIZOGENESIS CONTROL : NEW DEVELOPMENTS
Article number
230_9
Pages
97 – 104
Language
Abstract
The adventitious rhizogenesis of in vitro cuttings is a critical element in micropropagation.
Studies taking place in our laboratories have allowed the replacement of a certain empirism by a better knowledge of the various steps in rooting ontogenesis.
Five histocytological stages can be distinguished ; to each of them one can relate peculiar changes of metabolism markers.
Studies taking place in our laboratories have allowed the replacement of a certain empirism by a better knowledge of the various steps in rooting ontogenesis.
Five histocytological stages can be distinguished ; to each of them one can relate peculiar changes of metabolism markers.
The rooting ontogenesis can be divided into two stages : the first stage, a short one, is characterized by a high sensivity for the auxins; the second stage, a long one, can be distinguished by the peculiar change in the specific activity of peroxidasic activity.
The knowledge of these various stages permits us to propose a rooting protocole applicable to many woody species.
Authors
Ch. Moncousin
Keywords
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