Abstract
An action spectrum was determined for lightinduced formation of adventitious shoots in hairy roots of horseradish (Armoracia rusticana Gaert., Mey. et Scherb.) cultured in vitro. Near ultraviolet (350–400 nm), blue (440–460 nm) and red light (600–680 nm) were most effective in inducing formation of adventitious buds. Farred light (730 nm) inhibited the promotive effect of all three wavelength regions. These results are consistent with induction by phytochrome(s) of adventitious shoots in hairy roots of horseradish.
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This study was supported in part by a Grant-in Aid for Scientific Research from the Ministry of Education, Science and Culture of Japan and carried out under the NIBB Cooperative Research Program for the Okazaki Large Spectrograph. The authors wish to thank Dr. D. Macer, Biological Sciences, University of Tsukuba, for his critical reading of the manuscript and M. Kubota for his expert technical assistance.
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Saitou, T., Tachikawa, Y., Kamada, H. et al. Action spectrum for light-induced formation of adventitious shoots in hairy roots of horseradish. Planta 189, 590–592 (1993). https://doi.org/10.1007/BF00198224
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DOI: https://doi.org/10.1007/BF00198224