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Action of cytokinins and anticytokinins on cotyledonary bud growth ofLycopersicon esculentum MILL

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Biologia Plantarum

Abstract

The action of two anticytokinins, 3-methyl-7-n-pentyl-aminopyrazolo[4,3-d] pyrimidine and 4-cyclopentylamino-2-methylthiopyrrolo [2,3-d] pyrimidine on the zeatin and 6-benzylaminopurine induced lateral bud growth ofLycopersicon esculentum Mill. cv. Fireball seedlings was studied. Bud growth stimulation by 0.1 mM zeatin was not overcome by application of anticytokinin at concentrations of 0.01 to 1.0 μ 24-h after zeatin application. However, application of 0.1 μM of anticytokinin 24-h before 0.1 mM zeatin caused a significant enhancement of bud growth. A simultaneous application of 1 mM anticytokinin and 6-benzylaminopurine or concurrent with young leaves excision significantly reduced bud growth.

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Authors and Affiliations

  1. Department of Horticulture, Virginia Polytechnic Institute and State University Blacksburg, 24061, Virginia, USA

    L. H. Aung

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  1. L. H. Aung
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Aung, L.H. Action of cytokinins and anticytokinins on cotyledonary bud growth ofLycopersicon esculentum MILL. Biol Plant 28, 407–411 (1986). https://doi.org/10.1007/BF02885042

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  • DOI: https://doi.org/10.1007/BF02885042

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