Gibberellin-like activity in suspensors of Tropaeolum majus L. and Cytisus laburnum L

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-aci...

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Bibliographic Details
Published in:Planta 1984-01, Vol.162 (2), p.566-568
Main Authors: Picciarelli, P., Alpi, A., Pistelli, L., Scalet, M.
Format: Article
Language:English
Subjects:
Bioassay
Chemical suspensions
Elution
Embryos
Gibberellins
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Summary: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 α-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 μg g-1 FW and 8.9 μg g-1 FW respectively.
ISSN:0032-0935
1432-2048