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Cytokinins and Mango Flower Malformation. I. Tentative Identification of the Complement in Healthy and Malformed Inflorescences

Authors
Journal
Journal of Plant Physiology
0176-1617
Publisher
Elsevier
Publication Date
Volume
132
Issue
6
Identifiers
DOI: 10.1016/s0176-1617(88)80235-9
Keywords
  • Mango Flower Malformation
  • Cytokinins
  • Flowers
  • Peduncles

Abstract

Summary Material from malformed mango inflorescences contained higher levels of endogenous cytokinins than that from healthy inflorescences. The cytokinin complement extracted from malformed flowers was different from that isolated from healthy flowers, the most striking differences being that trans-zeatin, dihydrozeatin and ribosyldihydrozeatin were not detected in malformed flowers. Iso-pentenyladenine was undetectable in healthy flowers but present in malformed flowers. The reason for these differences could be related to the fungal infection responsible for flower malformation and may be mediated through effects on cytokinin biosynthesis and/or metabolism.

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