Effect of Soil Moisture Stress on Physiological Response in Grape (Vitis vinifera L.) Varieties

Four varieties of grape namely Flame Seedless, Thompson Seedless, Sharad Seedless and Tas-A-Ganesh were subjected to different levels of moisture stress to study their physiological response. Stress was imposed for 14 days by withholding irrigation. Observations on relative water content, leaf water...

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Autores principales:	J Satisha, G S Prakash, R M Bhatt, P Sampathkumar
Formato:	article
Lenguaje:	EN
Publicado:	Society for Promotion of Horticulture - Indian Institute of Horticultural Research 2006
Materias:	grape varieties soil moisture stress water potential water use efficiency Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/741fadf642a744638a5e6d550ff47841
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spelling	oai:doaj.org-article:741fadf642a744638a5e6d550ff478412021-12-02T11:38:40ZEffect of Soil Moisture Stress on Physiological Response in Grape (Vitis vinifera L.) Varieties0973-354X2582-4899https://doaj.org/article/741fadf642a744638a5e6d550ff478412006-12-01T00:00:00Zhttps://jhs.iihr.res.in/index.php/jhs/article/view/647https://doaj.org/toc/0973-354Xhttps://doaj.org/toc/2582-4899Four varieties of grape namely Flame Seedless, Thompson Seedless, Sharad Seedless and Tas-A-Ganesh were subjected to different levels of moisture stress to study their physiological response. Stress was imposed for 14 days by withholding irrigation. Observations on relative water content, leaf water potential, leaf osmotic potential and gas exchange parameters like photosynthetic rate, transpiration rate, stomatal conductance and water use efficiency (WUE) were recorded. None of the varieties could survive for 14 days without irrigation (100% stress). Flame Seedless and Thompson Seedless at 50% moisture stress maintained higher turgidity as indicated by lesser reduction in relative water content and water potential attributed to better osmotic adjustment. Marginal reduction in photosynthesis and greater reduction in transpiration rate in the variety Flame Seedless may have resulted in higher WUE under moisture stress. Higher photosynthetic rate, lower transpiration rate, higher water relation parameters and high WUE in Flame Seedless under soil moisture stress indicated its better tolerance to drought.J SatishaG S PrakashR M BhattP SampathkumarSociety for Promotion of Horticulture - Indian Institute of Horticultural Researcharticlegrape varietiessoil moisture stresswater potentialwater use efficiencyPlant cultureSB1-1110ENJournal of Horticultural Sciences, Vol 1, Iss 2, Pp 99-103 (2006)
institution	DOAJ
collection	DOAJ
language	EN
topic	grape varieties soil moisture stress water potential water use efficiency Plant culture SB1-1110
spellingShingle	grape varieties soil moisture stress water potential water use efficiency Plant culture SB1-1110 J Satisha G S Prakash R M Bhatt P Sampathkumar Effect of Soil Moisture Stress on Physiological Response in Grape (Vitis vinifera L.) Varieties
description	Four varieties of grape namely Flame Seedless, Thompson Seedless, Sharad Seedless and Tas-A-Ganesh were subjected to different levels of moisture stress to study their physiological response. Stress was imposed for 14 days by withholding irrigation. Observations on relative water content, leaf water potential, leaf osmotic potential and gas exchange parameters like photosynthetic rate, transpiration rate, stomatal conductance and water use efficiency (WUE) were recorded. None of the varieties could survive for 14 days without irrigation (100% stress). Flame Seedless and Thompson Seedless at 50% moisture stress maintained higher turgidity as indicated by lesser reduction in relative water content and water potential attributed to better osmotic adjustment. Marginal reduction in photosynthesis and greater reduction in transpiration rate in the variety Flame Seedless may have resulted in higher WUE under moisture stress. Higher photosynthetic rate, lower transpiration rate, higher water relation parameters and high WUE in Flame Seedless under soil moisture stress indicated its better tolerance to drought.
format	article
author	J Satisha G S Prakash R M Bhatt P Sampathkumar
author_facet	J Satisha G S Prakash R M Bhatt P Sampathkumar
author_sort	J Satisha
title	Effect of Soil Moisture Stress on Physiological Response in Grape (Vitis vinifera L.) Varieties
title_short	Effect of Soil Moisture Stress on Physiological Response in Grape (Vitis vinifera L.) Varieties
title_full	Effect of Soil Moisture Stress on Physiological Response in Grape (Vitis vinifera L.) Varieties
title_fullStr	Effect of Soil Moisture Stress on Physiological Response in Grape (Vitis vinifera L.) Varieties
title_full_unstemmed	Effect of Soil Moisture Stress on Physiological Response in Grape (Vitis vinifera L.) Varieties
title_sort	effect of soil moisture stress on physiological response in grape (vitis vinifera l.) varieties
publisher	Society for Promotion of Horticulture - Indian Institute of Horticultural Research
publishDate	2006
url	https://doaj.org/article/741fadf642a744638a5e6d550ff47841
work_keys_str_mv	AT jsatisha effectofsoilmoisturestressonphysiologicalresponseingrapevitisviniferalvarieties AT gsprakash effectofsoilmoisturestressonphysiologicalresponseingrapevitisviniferalvarieties AT rmbhatt effectofsoilmoisturestressonphysiologicalresponseingrapevitisviniferalvarieties AT psampathkumar effectofsoilmoisturestressonphysiologicalresponseingrapevitisviniferalvarieties
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Effect of Soil Moisture Stress on Physiological Response in Grape (Vitis vinifera L.) Varieties

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