Effects of alkaline stress on organic acid metabolism in roots of grape hybrid rootstocks

Effects of alkaline stress on organic acid metabolism in roots of grape hybrid rootstocks Total organic acid secretion of vitis rootstocks all increased under alkali stress, and the increment of organic acid secretion was A17>A15>1103P, and whether under normal growth conditions or NaHCO3 treatment, oxalic acid was the main organic acid in root. The H + −ATPase inhibitor Na3VO4 significantly reduced oxalic acid secretion suggesting oxalic acid secretion might be relevant to the proton pump H + −ATPase activity. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Scientia Horticulturae Elsevier

Effects of alkaline stress on organic acid metabolism in roots of grape hybrid rootstocks

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0304-4238
eISSN
1879-1018
D.O.I.
10.1016/j.scienta.2017.09.051
Publisher site
See Article on Publisher Site

Abstract

Total organic acid secretion of vitis rootstocks all increased under alkali stress, and the increment of organic acid secretion was A17>A15>1103P, and whether under normal growth conditions or NaHCO3 treatment, oxalic acid was the main organic acid in root. The H + −ATPase inhibitor Na3VO4 significantly reduced oxalic acid secretion suggesting oxalic acid secretion might be relevant to the proton pump H + −ATPase activity.

Journal

Scientia HorticulturaeElsevier

Published: Jan 3, 2018

References

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