Effect of auxins on flower formation in coffee (Coffea arabica L.) |
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Authors: | M. A. Cueto W. Dathe |
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Affiliation: | 1. Institute of Fundamental Research in Tropical Agriculture “Alejandro de Humboldt”, Academy of Sciences of Cuba, Santiago de las Vegas, Habana, Cuba 2. Institute of Plant Biochemistry, Research Centre for Molecular Biology and Medicine, Academy of Sciences of the GDR, 4020 Halle (Saale), Weinberg 3, GDR
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Abstract: | With the aim to reduce the period of flowering and of fruit maturation, we investigated the effect of auxins on flower formation. For these experiments we used young decapitated plants with two plagiotropic branches. Both the auxins, indol-3-ylacetic acid (IAA) and 2,4-dichlorophenoxyacetic acid (2,4-D), retarded flower formation in coffee, the latter one being more effective. The effects of 2,4-D if applied on only one of the two plagiotropic branches can be observed only in this treated one. Furthermore, the auxins seem to act in coffee plant directly by affecting flower formation and not indirectly by inducing endogenous ethylene production. |
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