Junichi Ueda

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The formation of the apical hook in dicotyledonous seedlings is believed to be effected by gravity in the dark. However, this notion is mostly based on experiments with the hook formed on the hypocotyl, and no detailed studies are available with the developmental manners of the hook, particularly of the epicotyl hook. The present study aims at clarifying(More)
Changes in cell wall polysaccharides in oat (Avena sativa L.) leaf segments during senescence promoted by methyl jasmonate (JA-Me) were studied. During the incubation with water at 25 °C in the dark, the loss of chlorophyll of the segments excised from the primary leaves of 8-day-old green seedlings was found dramatically just after leaf excision, and leaf(More)
The survey of naturally occurring of auxin polar transport regulators in Asteraceae was investigated using the radish (Raphanus sativus L.) hypocotyl bioassay established in this study. Significant auxin polar transport was observed when radiolabeled indole-3-acetic acid (IAA) was applied at the apical side of radish hypocotyl segments, but not when it was(More)
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