Fruit ripening in Vitis vinifera: apoplastic solute accumulation accounts for pre-veraison turgor loss in berries

@article{Wada2008FruitRI,
  title={Fruit ripening in Vitis vinifera: apoplastic solute accumulation accounts for pre-veraison turgor loss in berries},
  author={Hiroshi Wada and Ken A. Shackel and Mark Allen Matthews},
  journal={Planta},
  year={2008},
  volume={227},
  pages={1351-1361}
}
In Vitis vinifera L. berries, the onset of ripening (known as “veraison”) involves loss of turgor (P) in the mesocarp cells. We hypothesized that P loss was associated with an accumulation of apoplastic solutes in mesocarp tissue prior to veraison. Apoplastic sap was extracted from the mesocarp by centrifugation at the appropriate gravity to measure the apoplast solute potential (Ψ s A ) and assay the sap composition. The Ψ s A was about −0.2 MPa early in development, decreased about 1.0 MPa by… CONTINUE READING
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