Inhibition of abscission of bean petiole explants by lepidimoide

K. Miyamoto, J. Ueda, K. Yamada, S. Kosemura, S. Yamamura, K. Hasegawa

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The effect of lepidimoide on the process leading to abscission was studied in bean (Phaseolus vulgaris L. cv. Masterpiece) petiole explants. The assays, involving observations on the junction of the petiole of primary leaves and the pulvinus, were conducted in the light. Lepidimoide, at concentrations of 1 μM or higher, delayed the abscission process; however, the progression of abscission proceeded at normal rates, and complete abscission resulted. On the other hand indoleacetic acid inhibited the normal senescence resulting in greatly decreased abscission during the observation period. These observations show that lepidimoide only delays abscission, and the kinetics seem to indicate that lepidimoide and indoleacetic acid affect abscission through different mechanisms.

Original languageEnglish
Pages (from-to)7-9
Number of pages3
JournalJournal of Plant Growth Regulation
Volume16
Issue number1
DOIs
Publication statusPublished - 1997 Jan 1

Keywords

  • Abscission
  • Bean petiole
  • Indoleacetic acid
  • Lepidimoide
  • Phaseolus vulgaris

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Plant Science

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