Osmotic potential of the epidermal cells of cucumber hypocotyls as affected by gibberellin and cotyledons
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概要
- 論文の詳細を見る
By using light-grown cucumber (cv. Aonagajibae) seedlings with fully expanded cotyledons, the osmotic potential of the epidermal cells of the hypocotyl, as determined by the plasmolysis method was examined in relation to the effects of gibberellin (GA_7) and cotyledons. GA_7 at a dosage level of 0.05 μg/plant applied to the apical bud lowered the osmotic potential; the decrease was significant 5 hr after the GA_7 treatment. Removal of the cotyledons, covering them with aluminum foil, or applying linuron, a DCMU analogue, to them caused an increase in the potential. In light-grown cucumber seedlings, the maintenance of a lower osmotic potential in the epidermal cells of the hypocotyl was concluded to be regulated by the photosynthetic activity of the cotyledon and also by gibberellin.
- 日本植物生理学会の論文
著者
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Katsumi Masayuki
Biology Department, International Christian University
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Kawamura Noriko
Biology Department International Christian University
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Katsumi Masayuki
Biology Department International Christian University
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Katsumi Masayuki
Biology Department Division Of Natural Sciences International Christian University
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Kazama Haruko
Biology Department, Institute Christian University
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Kazama Haruko
Biology Department Institute Christian University
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