Plant Growth Regulation

, Volume 74, Issue 2, pp 193–197 | Cite as

Solar UV-B radiation modifies the proportion of volatile organic compounds in flowers of field-grown grapevine (Vitis vinifera L.) cv. Malbec

  • Mariana Gil
  • Rubén Bottini
  • Mariela Pontin
  • Federico J. Berli
  • María Victoria Salomon
  • Patricia Piccoli
Original Paper

Abstract

Ultraviolet-B solar radiation (UV-B) is an environmental signal with biological effects in different plant tissues. Recent investigations reported dramatic changes of terpenes with a protective role in plant tissues submitted to biotic and abiotic stresses. This study examined the volatile organic compounds (VOCs) profile in flowers of Vitis vinifera L. cv. Malbec under filtered UV-B (or not). Gas chromatography–electron impact mass spectrometry analysis of flowers resulted in the identification of 12 VOCs, including eight sesquiterpenes, two aldehydes, and two ketones, being the oxygenated sesquiterpene farnesol the most abundant. The total amount of VOCs in flowers did not change irrespective UV-B had been filtered or not, suggesting those compounds have a protective role that is constitutive of the reproductive tissues. However UV-B increases the proportion of valencene, β-farnesene, α-panasinsene and hepatriacontanedione which would require further investigation.

Keywords

Abiotic stress Grape Ultraviolet-B Terpenes VOCs 

Supplementary material

10725_2014_9911_MOESM1_ESM.docx (391 kb)
Supplementary material 1 (DOCX 390 kb)

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • Mariana Gil
    • 1
  • Rubén Bottini
    • 1
  • Mariela Pontin
    • 1
    • 2
  • Federico J. Berli
    • 1
  • María Victoria Salomon
    • 1
  • Patricia Piccoli
    • 1
  1. 1.Laboratorio de Bioquímica Vegetal, Instituto de Biología Agrícola de MendozaConsejo Nacional de Investigaciones Científicas y Tecnológicas-Universidad Nacional de CuyoChacras de CoriaArgentina
  2. 2.Estación Experimental Agropecuaria La ConsultaInstituto Nacional de Tecnología AgropecuariaLa ConsultaArgentina

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