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Am. J. Enol. Vitic. 58:4:530-533 (2007)
Copyright © 2007 by the American Society for Enology and Viticulture.
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Research Note

Methyl Jasmonate Treatment as a Trigger of Resveratrol Synthesis in Cultivated Grapevine

Silvia Vezzulli1, Silvia Civardi2, Federico Ferrari3 and Luigi Bavaresco2,*

1 Dip. Biologia e Genetica Molecolare, IASMA Research Center, via E. Mach 1, 38010 San Michele a/Adige (TN), Italy; 2 Istituto di Frutti-Viticoltura, and 3 Istituto di Chimica Agraria e Ambientale, Università Cattolica del Sacro Cuore, via Emilia Parmense 84, I-29100 Piacenza, Italy.

* Corresponding author (email: luigi.bavaresco{at}unicatt.it; fax: +39 0523 599268)

The effect of an exogenous grape berry application of methyl jasmonate (MeJA) on the enhancement of the in vivo resveratrol production was tested. MeJA is a plant volatile that acts as an important intracellular regulator mediating diverse developmental processes and defense responses. A treatment with MeJA spray solution was performed on clusters of Vitis vinifera cv. Barbera grafted onto 3309 C rootstock under drought stress condition and regular water supply and at fruit set, veraison, and ripening. Cumulative MeJA treatments significantly increased berry resveratrol and {varepsilon}-viniferin production at ripening. Water stress did not affect stilbene synthesis.

Key words: grapevine, resveratrol, methyl jasmonate




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L. Bavaresco, M. Gatti, S. Pezzutto, M. Fregoni, and F. Mattivi
Effect of Leaf Removal on Grape Yield, Berry Composition, and Stilbene Concentration
Am. J. Enol. Vitic., September 1, 2008; 59(3): 292 - 298.
[Abstract] [Full Text] [PDF]


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Copyright © 2007 by the American Society for Enology and Viticulture.