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Measuring water potential: when, where and why?

Luis Gonzaga Santesteban, Universidad Pública de Navarra, Spain

Measuring water potential: when, where and why?

Water potential is considered to be the “gold-standard” measure for plant water status determination. However, there are some discrepancies on how and at what time of the day water potential measurements should be performed in order to obtain meaningful information.

The aim of this work is to evaluate the discrimination ability of water potential measurements in grapevines depending on the time of the day and of the measurement procedure (leaf vs. stem).

To do so, a meta-analysis was performed using >78,000 measurements of water potential data obtained in field irrigation experiments, provided by 13 research teams working in this subject in Spain.

In this video seminar, based on the paper presented at Enoforum Web, Luís G. Santiesteban illustrates the interesting conclusions of this study.
https://doi.org/10.53144/INFOWINE.EN.2021.03.02

Report presented at the Enoforum Awards 2020. The paper reproduced in this video-seminar was presented at the 1st Spanish edition of Enforum Web (5-7 May 2020)

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Published on 03/16/2021
Item available in spagnolo portoghese
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