Gibberellins in the embryonic axes of tall and dwarf beans and their changes with initial growth
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概要
- 論文の詳細を見る
Ten gibberellin-like activities were detected in the dry embryonic axes of tall (cv. Kentucky wonder) and dwarf (cv. Masterpiece) beans (Pkaseolus vulgaris L.) using the lettuce hypocotyl assay of thin-layer chromatograms; 2 in the non-acidic ethyl acetate fraction (NEI, NEII), 3 in the acidic ethyl acetate fraction (AEI, AEII, AEIII), 2 in the non-acidic n-butanol fraction (NBI, NBII) and 3 in the acidic n-butanol fraction (ABI, ABII, ABIII). There was no qualitative difference in these gibberellins between the tall and dwarf axes, but all, particularly AEIII, NBII and ABIII as the main gibberellins in the axes, were contained much more abundantly in the tall axes. In both axes the gibberellin activities of most fractions decreased during germination. The amounts of some gibberellins in tall axes without cotyledons were greater than those in axes with cotyledons at 48-72 hr of germination. Neither AMO-1618 nor CCC caused significant reduction in the levels of the gibberellins. Axis growth in the early germinating period depended on the gibberellins stored in the axis, itself.
- 日本植物生理学会の論文
著者
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Esashi Yohji
Department Of Biological Science Tohoku University
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Goto Nobuharu
Department Of Biological Science Tohoku University
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