Effect of exogenous general plant growth regulators on the growth of the Duckweed Lemna minor

Desi Utami, Ami Kawahata, Masayuki Sugawara, Rahul N. Jog, Kyoko Miwa, Masaaki Morikawa

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Gibberellic acid (GA3), indole-3-acetic acid (IAA), salicylic acid (SA), abscidic acid (ABA), jasmonic acid (JA) 1-amino cyclopropane-1-carboxylic acid (ACC) and aminoethoxyvinylglycine (AVG) are popular growth regulators of plants. However, the effects of their exogenous addition on the biomass production of aquatic plants, including Lemnoideae plants, "duckweeds," are largely unknown. In this study, the growth of Lemna minor was tested for 10 d in Hoagland medium containing each compound at different concentrations of 0-50 μM. GA3, IAA, and SA were found to have no apparent positive effect on the growth at all concentrations tested. Conversely, ACC and JA moderately and AVG and ABA severely inhibited the growth of L. minor. Among the tested compounds, ascorbic acid had an apparent growth-promoting effect.

Original languageEnglish
Article number251
JournalFrontiers in Chemistry
Volume6
Issue numberJUL
DOIs
Publication statusPublished - 2018

Keywords

  • 1-aminocyclopropane-1-carboxylic acid
  • Aminoethoxyvinylglycine
  • Ascorbic acid
  • Gibberellic acid
  • Indole-3-acetic acid
  • Lemna minor
  • Plant growth regulators
  • Salicylic acid

ASJC Scopus subject areas

  • Chemistry(all)

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