Interactions of Abscisic Acid, Cytokinin and Gibberellin in the Control of Betacyanin Synthesis in Seedlings of Amaranthus caudatus |
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| Authors: | N L BIDDINGTON T H THOMAS |
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| Institution: | National Vegetable Research Station, Wellesbourne, Warwick, CV35 9EF, England |
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| Abstract: | In de-rooted seedlings of Amaranthus caudatus L., betacyanin synthesis induced by white light or cytokinin was inhibited by abscisic acid (ABA) or a mixture of gibberellins A4 and A7 (GA4/7). The GA4/7 and ABA effects were additive. Thus ABA inhibited the cytokinin action but had no effect on the gibberellin response. |
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