Comparing water deficit and saline stress between 1103P and 101-14Mgt rootstocks, grafted with Cabernet Sauvignon

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In arid regions under irrigation, vineyards often face water deficit and salinity. As these stressors often occur simultaneously, it is difficult to assess their individual relative severity. The aim of this work was to independently study the physiological responses of grapevine to salinity and wat...

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Autores principales: Lucero, Claudia Cecilia, Di Filippo, Marina, Vila, Hernán, Venier, Matías
Formato: Artículo revista
Lenguaje:Español
Publicado: Facultad de Ciencias Agrarias-UNCuyo 2017
Materias:
Vitis vinífera L.
tolerancia a sales
déficit hídrico
1103P, 101-14Mgt
Vitis vinifera L.
salinity tolerance
water deficit
Acceso en línea:https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3101
Aporte de:
Revista de la Facultad de Ciencias Agrarias UNCuyo de Universidad Nacional de Cuyo
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institution Universidad Nacional de Cuyo
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container_title_str Revista de la Facultad de Ciencias Agrarias UNCuyo
language Español
format Artículo revista
topic Vitis vinífera L.
tolerancia a sales
déficit hídrico
1103P, 101-14Mgt
Vitis vinifera L.
salinity tolerance
water deficit
1103P, 101-14Mgt
spellingShingle Vitis vinífera L.
tolerancia a sales
déficit hídrico
1103P, 101-14Mgt
Vitis vinifera L.
salinity tolerance
water deficit
1103P, 101-14Mgt
Lucero, Claudia Cecilia
Di Filippo, Marina
Vila, Hernán
Venier, Matías
Comparing water deficit and saline stress between 1103P and 101-14Mgt rootstocks, grafted with Cabernet Sauvignon
topic_facet Vitis vinífera L.
tolerancia a sales
déficit hídrico
1103P, 101-14Mgt
Vitis vinifera L.
salinity tolerance
water deficit
1103P, 101-14Mgt
author Lucero, Claudia Cecilia
Di Filippo, Marina
Vila, Hernán
Venier, Matías
author_facet Lucero, Claudia Cecilia
Di Filippo, Marina
Vila, Hernán
Venier, Matías
author_sort Lucero, Claudia Cecilia
title Comparing water deficit and saline stress between 1103P and 101-14Mgt rootstocks, grafted with Cabernet Sauvignon
title_short Comparing water deficit and saline stress between 1103P and 101-14Mgt rootstocks, grafted with Cabernet Sauvignon
title_full Comparing water deficit and saline stress between 1103P and 101-14Mgt rootstocks, grafted with Cabernet Sauvignon
title_fullStr Comparing water deficit and saline stress between 1103P and 101-14Mgt rootstocks, grafted with Cabernet Sauvignon
title_full_unstemmed Comparing water deficit and saline stress between 1103P and 101-14Mgt rootstocks, grafted with Cabernet Sauvignon
title_sort comparing water deficit and saline stress between 1103p and 101-14mgt rootstocks, grafted with cabernet sauvignon
description In arid regions under irrigation, vineyards often face water deficit and salinity. As these stressors often occur simultaneously, it is difficult to assess their individual relative severity. The aim of this work was to independently study the physiological responses of grapevine to salinity and water deficit, in order to understand and compare their effects. A pot trial was designed, grafting Cabernet Sauvignon onto 1103P and 101-14 Mgt. Three treatments were evaluated: saline irrigation (Salino; 80 mM ClNa and field capacity), water stress (EH; 0,4 faction of soil transpirable water and 2 mM NaCl) and a control (T; without any stress factors, field capacity and 2mM NaCl). After 54 days, Salino showed smaller effect on leaf area (AF) and shoot length than EH. AF diminished 53% for Salino, while for EH, AF was reduced in a 78% with respect to T. Shoot length diminished 68% for Salino and 83% for EH. Total biomass did not show any difference between both stresses, falling 52% for both situations. However, regarding the biomass partitioning, Salino had higher canopy dry weight while EH showed higher root dry weight. Midday leaf water potential was -1,3 MPa for Salino and EH and -0,9 MPa for T. Although stomatal conductance was similarly reduced for both stress treatments (-41% compared to T), with no differences between rootstocks; an interaction was found between the type of stress and rootstock for net photosynthesis. Finally, 1103P showed a higher Na+ exclusion power than 101-14Mgt (accumulating 21% less Na+ in the plant). Even though the behavior of the Cabernet sauvignon scion was similar for both rootstocks, the higher exclusion that 1103P showed may indicate possible better performances upon salinity.
publisher Facultad de Ciencias Agrarias-UNCuyo
publishDate 2017
url https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3101
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first_indexed 2022-06-20T13:52:37Z
last_indexed 2022-06-20T13:52:37Z
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