Abstract
Gibberellins (GAs) in suspensors and embryos of Phaseolus coccineus seeds at the heart stage of embryo development were analyzed by combined gas chromatography-mass spectrometry (GC-MS). From the suspensor four C19-GAs, GA1, GA4, GA5, GA6, and one C20 GA, GA44, were identified. From the embryo, five C19-GAs GA1, GA4, GA5, GA6, GA60 and two C20 GAs, GA19 and GA44 were identified. The data, in relation to previous results, suggest a dependence of the embryo on the suspensor during early stages of development.
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Selected References
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