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      In vitro development of parthenocarpic fruits of Crocus sativus L.

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      Plant Cell, Tissue and Organ Culture
      Springer Science and Business Media LLC

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          Crocus sativus and its allies (Iridaceae)

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            Cytology ofCrocus sativus and its allies (Iridaceae)

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              Fruit-set of unpollinated ovaries of Pisum sativum L. : Influence of plant-growth regulators.

              The development of parthenocarpic fruits of Pisum sativum L. cv. Alaska was induced by the application of different plant-growth regulators in aqueous solution to the emasculated ovaries in untopped plants. At least one compound in each of the groups of auxins (2,4-dichlorophenoxyacetic acid), cytokinins (benzyladenine), and gibberellins (gibberellic acid) was found active. Gibberellic acid (GA3), however, was the only substance which produced pods similar to those of fruits with seeds. The length of the pods obtained by GA3 was a linear function of the logarithm of the concentration of GA3 in the solution. The effect of GA3 (at a concentration which produced 50% of the maximum pod length) was enhanced by a simultaneous application of 2,4-dichlorophenoxyacetic acid. Abscisic acid (ABA) counteracted the effect of GA3 and of topping. The results suggest that gibberellins and ABA may exert a major regulatory control in natural fruit-set. Peas can be used for the assay of fructigenic activity and is an advantageous material for the study of the mode of action of gibberellins on fruit-set.
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                Author and article information

                Journal
                Plant Cell, Tissue and Organ Culture
                Plant Cell Tiss Organ Cult
                Springer Science and Business Media LLC
                0167-6857
                1573-5044
                1987
                1987
                : 11
                : 1
                : 75-78
                Article
                10.1007/BF00036578
                f96132aa-c9aa-43ac-9b5e-82e804fad284
                © 1987

                http://www.springer.com/tdm

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