Identification of Gibberellins in Cotyledonary Embryos of Phaseolus coccineus L. |
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Authors: | Picciarelli Piero; Alpi Amedeo |
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Institution: | Cattedra di Fisiologia Vegetale, Facolt di Agraria, Universit degli Studi di Pisa Viale delle Piagge, 23, 56100 Pisa, Italy |
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Abstract: | Gibberellins present in cotyledonary embryos of Phaseolus coccineusL. have been identified by combined gas chromatography-massspectrometry as GA1, GA4, GA5, GA6; also an unidentified gibberellinwas present. The total amount of gibberellins was estimated by gas chromatographyto be 26.5 µg per g fresh weight; the individual gibberellinscontributed to the total amount as follows: GA1 18.4µg,GA5 2.6 µg, GA4 2.3 µg, GA6 1.9 µg, unidentifiedGA 1.3 µg. Data are discussed in relation to previousresults in P. coccineus seed as well as in relation to the embryo-suspensorsystem. (Received December 12, 1985; Accepted July 8, 1985) |
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