Water Regime Monitoring of the Royal Walnut (<i>Juglans regia</i> L.) Using Sap Flow and Dendrometric Measurements

Changes in the distribution of annual rainfall totals, together with the increase in temperature over the last 40 years, are causing more frequent periods of drought, and plants are more often exposed to water stress. The aim of this study was to monitor the effect of different water regimes (irriga...

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Autores principales:	Viliam Bárek, Martina Kováčová, Vladimír Kišš, Oleg Paulen
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	walnut sap flow irrigation budbreak flowering Botany QK1-989
Acceso en línea:	https://doaj.org/article/b5d15dbce547446db19aa9c099c1a3c9
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id	oai:doaj.org-article:b5d15dbce547446db19aa9c099c1a3c9
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spelling	oai:doaj.org-article:b5d15dbce547446db19aa9c099c1a3c92021-11-25T18:45:43ZWater Regime Monitoring of the Royal Walnut (<i>Juglans regia</i> L.) Using Sap Flow and Dendrometric Measurements10.3390/plants101123542223-7747https://doaj.org/article/b5d15dbce547446db19aa9c099c1a3c92021-10-01T00:00:00Zhttps://www.mdpi.com/2223-7747/10/11/2354https://doaj.org/toc/2223-7747Changes in the distribution of annual rainfall totals, together with the increase in temperature over the last 40 years, are causing more frequent periods of drought, and plants are more often exposed to water stress. The aim of this study was to monitor the effect of different water regimes (irrigated and non-irrigated) of individuals of walnut tree (<i>Juglans regia</i> L.) in a private orchard located in the West of Slovakia. Our research was focused on dendrometric and sap flow measurements in the period from 28 March to 2 June 2019. The results showed differences in the sap flow of walnut trees during the budbreak period: when trees were irrigated, sap flow in the diurnal cycle was around 130 g·h<sup>−1</sup> (20.48%), higher than in the non-irrigated treatment. Dendrometric differences between the irrigated and non-irrigated treatments were not significant. The sap flow data in the flowering period of the irrigated variant were slightly higher at 150 g·h<sup>−1</sup> (35.62%) than non-irrigated. Dendrometric differences were more significant when the difference between the variants was more than 1.5 mm. Continuation of this research and analysis of the data obtained in the coming years will allow us to evaluate the effects of the environment on fruit trees in the long term.Viliam BárekMartina KováčováVladimír KiššOleg PaulenMDPI AGarticlewalnutsap flowirrigationbudbreakfloweringBotanyQK1-989ENPlants, Vol 10, Iss 2354, p 2354 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	walnut sap flow irrigation budbreak flowering Botany QK1-989
spellingShingle	walnut sap flow irrigation budbreak flowering Botany QK1-989 Viliam Bárek Martina Kováčová Vladimír Kišš Oleg Paulen Water Regime Monitoring of the Royal Walnut (<i>Juglans regia</i> L.) Using Sap Flow and Dendrometric Measurements
description	Changes in the distribution of annual rainfall totals, together with the increase in temperature over the last 40 years, are causing more frequent periods of drought, and plants are more often exposed to water stress. The aim of this study was to monitor the effect of different water regimes (irrigated and non-irrigated) of individuals of walnut tree (<i>Juglans regia</i> L.) in a private orchard located in the West of Slovakia. Our research was focused on dendrometric and sap flow measurements in the period from 28 March to 2 June 2019. The results showed differences in the sap flow of walnut trees during the budbreak period: when trees were irrigated, sap flow in the diurnal cycle was around 130 g·h<sup>−1</sup> (20.48%), higher than in the non-irrigated treatment. Dendrometric differences between the irrigated and non-irrigated treatments were not significant. The sap flow data in the flowering period of the irrigated variant were slightly higher at 150 g·h<sup>−1</sup> (35.62%) than non-irrigated. Dendrometric differences were more significant when the difference between the variants was more than 1.5 mm. Continuation of this research and analysis of the data obtained in the coming years will allow us to evaluate the effects of the environment on fruit trees in the long term.
format	article
author	Viliam Bárek Martina Kováčová Vladimír Kišš Oleg Paulen
author_facet	Viliam Bárek Martina Kováčová Vladimír Kišš Oleg Paulen
author_sort	Viliam Bárek
title	Water Regime Monitoring of the Royal Walnut (<i>Juglans regia</i> L.) Using Sap Flow and Dendrometric Measurements
title_short	Water Regime Monitoring of the Royal Walnut (<i>Juglans regia</i> L.) Using Sap Flow and Dendrometric Measurements
title_full	Water Regime Monitoring of the Royal Walnut (<i>Juglans regia</i> L.) Using Sap Flow and Dendrometric Measurements
title_fullStr	Water Regime Monitoring of the Royal Walnut (<i>Juglans regia</i> L.) Using Sap Flow and Dendrometric Measurements
title_full_unstemmed	Water Regime Monitoring of the Royal Walnut (<i>Juglans regia</i> L.) Using Sap Flow and Dendrometric Measurements
title_sort	water regime monitoring of the royal walnut (<i>juglans regia</i> l.) using sap flow and dendrometric measurements
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/b5d15dbce547446db19aa9c099c1a3c9
work_keys_str_mv	AT viliambarek waterregimemonitoringoftheroyalwalnutijuglansregiailusingsapflowanddendrometricmeasurements AT martinakovacova waterregimemonitoringoftheroyalwalnutijuglansregiailusingsapflowanddendrometricmeasurements AT vladimirkiss waterregimemonitoringoftheroyalwalnutijuglansregiailusingsapflowanddendrometricmeasurements AT olegpaulen waterregimemonitoringoftheroyalwalnutijuglansregiailusingsapflowanddendrometricmeasurements
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Water Regime Monitoring of the Royal Walnut (<i>Juglans regia</i> L.) Using Sap Flow and Dendrometric Measurements

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