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J Integr Plant Biol, 1994, 36 (8): -, Research Article
Role of Exogenous Hormones in Inducing Cells in different Positions of Perianth Explants to Regenerate Flower Buds in Hyacinthus orientalis
Lu Wen-liang, Liang Bin, Enomoto K and Fukunaga Y
doi:
Abstract
Role of the exogenous hormone in inducing different position cells of perianth explants of hyacinth to regenerate flower buds was studied. Experiments showed that (1) Exogenous hormones are necessary for inducing cells of the perianth explant to regenerate the flower buds; (2) Only cytokinine alone could induce the regeneration of the flower buds, the auxin was not necessary; (3) Exogenous hormones in different concentrations could induce cells in the different parts of the perianth explants to differentiate the flower buds: 6-BAP or zeatin 2 mg/L alone could induce cells located at the lower part of the perianth to differentiate flower buds. Combination of 6-BAP or zeatin 2 mg/L and 2, 4-D 0.1 mg/L was advantageous to cells located middle part of the perianth to regenerate the flower buds. Combination of 6-BAP or zeatin 2 mg/L and 2, 4-D 1.0 mg/L could promote cells located at the upper part of the perianth to differentiate flower buds.
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