Title
A phytochrome-mediated alteration from stem to rosette growth on chicory root explants in vitro A phytochrome-mediated alteration from stem to rosette growth on chicory root explants in vitro
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
The Hague ,
Subject
Biology
Source (journal)
Plant growth regulation. - The Hague
Volume/pages
18(1996) :3 , p. 207-212
ISSN
0167-6903
ISI
A1996UF98000010
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
Chicory root explants (Cichorium intybus L. var. foliosum) of two cultivars, taken before and after hydroponic forcing, were cultured in vitro in complete darkness supplemented with red and far-red light treatments. Using 5 min red light per day, the strong stem elongation occurring in complete darkness was converted to rosette formation. This reaction was reversed to stem elongation (accompanied by leaf formation) adding 15 min far-red light after the red light. Fifteen min far-red light per day alone caused the same reaction as 5 min red/15 min far-red light. Far-red light followed by red light caused rosette formation. In stems, formed under complete darkness in vitro, the presence of phytochrome was shown. No phytochrome was detected in the root fragment itself.
E-info
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