Dormancy in Laportea bulbils : experiments with buds cultured in vitro

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概要

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• Dormancy in bulbils of Laportea bulbifera was investigated using buds cultured in vitro. Buds excised from immature bulbils could sprout in light, but scarcely in the dark. Regardless of light conditions, buds isolated from mature bulbils failed to sprout while those from chilled mature bulbils could. GA and BA stimulated the sprouting of buds excised from dormant mature bulbils. In contrast, ABA and morphactin inhibited the sprouting of buds excised from nondormant chilled mature bulbils. These results suggest that, in dormant Laportea bulbils, the buds themselves are in a dormant state which may be controlled by a balance of activity between growth-inhibiting and -promoting substances.

• 日本植物生理学会の論文

著者

• Tanno Noriaki

  Department Of Biology Faculty Of Science Yamagata University

関連論文

• Identification of Endogenous Gibberellins and Abscisic Acid from Dormant Bulbils of Dioscorea japonica (Japanese Yam)
• Dormancy in Laportea bulbils : experiments with buds cultured in vitro
• Sprouting Promotion by inhibitors of nucleic acid and protein synthesis in the bulbils of some herbaceous plants

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