Latent Periods of Cytokinin-induced Stomatal Opening in the Sunflower Leaf
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概要
- 論文の詳細を見る
Spraying a zeatin solution on the mature leaf of an intact sunflower plant (Helianthus annuus L. cv. Large Russian) caused a two-fold decrease in leaf temperature during the 20 min after treatment. Scanning electron microscope photographs taken 2 min after cytokinin treatment, however, showed a small but distinct stimulation of the opening of the central pore of the stomata, indicating that the latent period of cytokinin-induced stomatal opening is only 2 min. Five minutes after treatment with zeatin, the stomata at both the central pore and the outer ledge had opened widely. On the other hand, zeatin riboside treatment did not show a distinct effect on the stomatal opening within these periods. The stomata of a water-sprayed leaf closed within 1 min after the treatment.
- 日本植物生理学会の論文
著者
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Kuraishi Susumu
Department of Environmental Studies; Faculty of Integrated Arts and Sciences, Hiroshima University
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Shiraishi Masaya
Department Of Agriculture Ehime University
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Hashimoto Yasushi
Department of Orthopaedic Surgery, Kobe University School of Medicine
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Kuraishi Susumu
Department Of Botany University Of Iowa:(present)biological Institute College Of General Education U
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Kuraishi Susumu
Department Of Biology College Of Education University Of Tokyo:(present)department Of Enviromental S
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Hashimoto Yasushi
Department Of Agriculture Ehime University
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