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Comparison of water potential and yield parameters under uniform and variable rate drip irrigation in a cabernet sauvignon vineyard
Year:
2019
Authors :
Bahat, Idan
;
.
Ben-Gal, Alon
;
.
Cohen, Yafit
;
.
Volume :
Co-Authors:

Netzer, Y; Grünzweig, J. M.; Peeters, A.

Facilitators :
From page:
125
To page:
131
(
Total pages:
7
)
Abstract:

An experiment in variable-rate drip irrigation (VRDI) was aimed at reducing variance of midday stem water potential (SWP) and in yield parameters by applying VRDI in a highly variable vineyard. During 2018, irrigation was separated into VRDI and uniform irrigation (UI) blocks. Each block was delineated to 10 management cells, and results of 2018 season were compared to 2017 season under UI. Standard error (SE) of SWP in the last 3 measurements before harvest decreased in the VRDI block in 2018 compared to 2017 by 14-44%. In contrast, in the UI block, SE in 2018 was higher by 11-42% compared to 2017. SE of fruit yield showed a similar trend. Applying principles of precision irrigation may lead to a more homogeneous vineyard in the parameters described above and to improved wine quality. © Wageningen Academic Publishers 2019

Note:
Related Files :
Deficit irrigation
Management cell
Midday stem water potential
Variable rate drip irrigation
vineyard
water
Show More
Related Content
More details
DOI :
10.3920/978-90-8686-888-9_14
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
Conference paper
;
.
Language:
English
Editors' remarks:
ID:
44460
Last updated date:
02/03/2022 17:27
Creation date:
29/10/2019 15:32
Scientific Publication
Comparison of water potential and yield parameters under uniform and variable rate drip irrigation in a cabernet sauvignon vineyard

Netzer, Y; Grünzweig, J. M.; Peeters, A.

Comparison of water potential and yield parameters under uniform and variable rate drip irrigation in a cabernet sauvignon vineyard

An experiment in variable-rate drip irrigation (VRDI) was aimed at reducing variance of midday stem water potential (SWP) and in yield parameters by applying VRDI in a highly variable vineyard. During 2018, irrigation was separated into VRDI and uniform irrigation (UI) blocks. Each block was delineated to 10 management cells, and results of 2018 season were compared to 2017 season under UI. Standard error (SE) of SWP in the last 3 measurements before harvest decreased in the VRDI block in 2018 compared to 2017 by 14-44%. In contrast, in the UI block, SE in 2018 was higher by 11-42% compared to 2017. SE of fruit yield showed a similar trend. Applying principles of precision irrigation may lead to a more homogeneous vineyard in the parameters described above and to improved wine quality. © Wageningen Academic Publishers 2019

Scientific Publication
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