Gibberellin-like activity in suspensors of Tropaeolum majus L. and Cytisus laburnum L. |
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| Authors: | P. Picciarelli A. Alpi L. Pistelli M. Scalet |
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| Affiliation: | (1) Cattedra di Fisiologia Vegetale, Facoltà di Agraria, Università degli Studi di Pisa, Viale delle Piagge, 23, I-56100 Pisa, Italy |
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| Abstract: | Gibberellins in the embryo-suspensor system have been considered so far only in Phaseolus coccineus. We present in this report the localization of gibberellin-like substances in the suspensors of Tropaeolum majus L. and Cytisus laburnum L. The total gibberellin activity (expressed as gibberellic-acid equivalent in the  -amylase bioassay) in 2000 suspensors (106 mg fresh weight; FW) of C. laburnum and in 600 suspensors (236 mg FW) of T. majus were 50.9  g g-1 FW and 8.9 g g-1 FW respectively.Abbreviation GA gibberellin |
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| Keywords: | Cytisus Embryo (suspensor) Gibberellin (suspensor) Suspensor Tropaeolum |
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