Effects of auxin and calcium on phosphate partitioning in induced potato (Solanum tuberosum L.) cuttings |
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Authors: | D. Poder |
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Affiliation: | (1) Faculté des Sciences, Laboratoire de Physiologie Végétale, 6 avenue Le Gorgeu, 29287 Brest Cedex, France |
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Abstract: | Summary Single-node leaf cuttings, from plants originated from apical cuttings on sprouted potato tubers (Solanum tuberosum L.), were used to study phosphate transport following hormone (IAA) and calcium treatments. Phosphate accumulation in tubers was significantly enhanced by axillary bud pretreatment with calcium followed by a subsequent treatment of the tuber formed with IAA. The results suggest that calcium may be necessary for the regulatory action of auxin on phosphate transport into the tuber. |
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Keywords: | plant growth regulators second messenger phloem transport unloading |
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