SALICYLIC ACID pp 163-182 | Cite as

Salicylic Acid-Mediated Stress-Induced Flowering

  • K. C. Wada
  • K. TakenoEmail author


Plants have a tendency to flower under unsuitable growth conditions. Stress factors, such as poor nutrition, high or low temperature, high- or low-intensity light, and ultraviolet light, have been implicated in this stress-induced flowering. The stressed plants do not wait for the arrival of a season when photoperiodic conditions are suitable for flowering, and such precocious flowering might assist in species preservation. Stress-induced flowering has been well studied in Pharbitis nil (synonym Ipomoea nil), Perilla frutescens var. crispa, Lemna paucicostata (synonym Lemna aequinoctialis) and Arabidopsis thaliana. The phenylalanine ammonia-lyase (PAL) inhibitor suppresses stress-induced flowering in P. nil, and this effect was reversed with salicylic acid (SA). The PAL gene expression, PAL enzyme activity and SA content in the cotyledons increased during stress-induced flowering. These results suggest that SA mediates stress-induced flowering.


Flowering  FLOWERING LOCUS T Lemna paucicostata Perilla frutescens Pharbitis nil Phenylalanine ammonia-lyase Salicylic acid Stress Stress-induced flowering 


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© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  1. 1.Department of Agricultural ChemistryFaculty of Agriculture, Niigata UniversityNiigataJapan
  2. 2.Department of BiologyFaculty of Science, Niigata UniversityNiigataJapan
  3. 3.Graduate School of Science and TechnologyNiigata UniversityNiigataJapan

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