Effect of N-phenyl-N'-(4-pyridyl)urea on shoot formation in tobacco pith disk and callus cultured in vitro |
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| Authors: | Isogai, Yo Shudo, Koichi Okamoto, Toshihiko |
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| Affiliation: | 1 Department of Biology, College of General Education, University of Tokyo Komaba, Meguro-ku, Tokyo 153, Japan
2 Laboratory of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, University of Tokyo Hongo, Bunkyo-ku, Tokyo 113, Japan |
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| Abstract: | N-Phenyl-N'-(4-pyridyl)urea (4PU), which was originally synthesizedby Bruce et al. and also reported by Okamoto as a highly activecytokinin in the tobacco pith callus bioassay, showed a markedeffect on shoot formation in tobacco pith disk and callus witha single application. Details of experiments and results arereported and the interrelation between auxin and 4PU for organformation is discussed. (Received January 7, 1976; ) |
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