Induction of stem elongation on in vitro chicory root explants under unfavourable photoperiodic conditions by gibberellin A3 |
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Authors: | M A C Demeulemeester A Voet M P De Proft |
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Institution: | (1) Faculty of Agricultural and Applied Biological Sciences, Katholieke Universiteit Leuven, Willem de Croylaan 42, B-3001 Heverlee, Belgium |
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Abstract: | Flowering stems are formed under long-day conditions on root explants of chicory (Cichorium intybus L.) cultured in vitro while under short days, only vegetative growth is observed. Under short-day conditions (12 h), stem elongation is induced by treating newly formed shoot apices with GA3 (1 l, 10–3M). No flower buds were formed on the GA3-induced stems. Long days seem to be indispensable for the induction of flower buds on the elongated stem. |
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Keywords: | chicory Cichorium intybus L in vitro stem elongation flowering gibberellins |
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