Interactions between Plasmopara viticola infection and stilbene synthesis in leaves and berries of ten 'Cabernet Sauvignon' clones

Authors

  • M. I. van Zeller de Macedo Basto Gonçalves
  • L. B. Bavaresco
  • S. Civardi
  • F. Ferrari

DOI:

https://doi.org/10.5073/vitis.2011.50.119-122

Abstract

Combining the knowledge that Plasmopara viticola causes considerable damages to Vitis vinifera L. worldwide production and that stilbenes have a regulatory influence on Plasmopara viticola - grapevine interaction, this study compares infection time course and stilbenes production in leaves and berries of ten different clones of 'Cabernet Sauvignon'. Following increasing infection rates, different stilbenes were produced and accumulated in leaves and berries of the same clone. Higher absolute values were found in leaves, where trans-resveratrol reaches up to 8 μg g-1 fw and ε-viniferin up to 30 μg g-1 fw while in berries, the values accumulated only up to a maximum of 3 μg g-1 fw of trans-piceid and 1,5 μg g-1 fw ε-viniferin.

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Published

2015-04-02

Issue

Vol. 50 No. 3 (2011): Vitis

Section

Article

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