Exploring the relationship between leaf water potential, defoliation, and grape berry physical properties of Merlot (Vitis vinifera L.) grapevine

Serkan Candar; İlknur Korkutal; Elman Bahar; Fatma Betül Aktaş

doi:10.31015/jaefs.2023.3.6

EN

Exploring the relationship between leaf water potential, defoliation, and grape berry physical properties of Merlot (Vitis vinifera L.) grapevine

Abstract

The aim of this study was to examine the impact of leaf water potential and defoliation treatments on the physical properties of grape berries. The research was conducted over two consecutive years (2019-2020) using ‘Merlot’/41B graft combination grapevines grown in the Chateau Kalpak vineyards located in Tekirdağ, Şarköy. The experiment involved four distinct water stress levels (S0, S1, S2, and S3), which were determined based on leaf water potential measurements. These stress levels were subjected to different irrigation levels. Additionally, defoliation treatments were applied, including Control (C), Full Window (FW), Right Window (RW), and Left Window (LW). The results showed that the effects of water stress and defoliation treatments on berry physical properties were statistically insignificant. However, in the second year of the study, the FW treatment was observed to have led to changes in the desired direction for grapevines. This was likely due to the cumulative decrease in water reserves caused by reduced precipitation over multiple years, making the effects of FW treatment more prominent. Moreover, the study found that both current and past vegetation period conditions influence vine production year, leaf water potentials (Ψleaf), and stress levels. Finally, the data revealed that berry weight and % dry weight increased with higher stress levels.

Keywords

Abiotic stress, Wine grape, Leaf removal, Drought, Berry quality

Thanks

This study is a part of the master's thesis of the 4th author. The authors would like to express their gratitude to Mr. Bülent KALPAKLIOĞLU, the owner of Kalpak Tarım Ürünleri Ltd., for providing permission to conduct this research in his vineyard for two years.

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Details

Primary Language

English

Subjects

Horticultural Production

Journal Section

Research Article

Authors

Serkan Candar ^*
0000-0002-2608-8691
Türkiye

İlknur Korkutal
0000-0002-8016-9804
Türkiye

Elman Bahar
0000-0002-8842-7695
Türkiye

Fatma Betül Aktaş
0000-0002-6507-1905
Türkiye

Publication Date

September 30, 2023

Submission Date

April 10, 2023

Acceptance Date

August 1, 2023

Published in Issue

Year 2023 Volume: 7 Number: 3

DOI

https://doi.org/10.31015/jaefs.2023.3.6

IZ

https://izlik.org/JA44TW32CR

APA

Candar, S., Korkutal, İ., Bahar, E., & Aktaş, F. B. (2023). Exploring the relationship between leaf water potential, defoliation, and grape berry physical properties of Merlot (Vitis vinifera L.) grapevine. International Journal of Agriculture Environment and Food Sciences, 7(3), 517-532. https://doi.org/10.31015/jaefs.2023.3.6

AMA

1.Candar S, Korkutal İ, Bahar E, Aktaş FB. Exploring the relationship between leaf water potential, defoliation, and grape berry physical properties of Merlot (Vitis vinifera L.) grapevine. int. j. agric. environ. food sci. 2023;7(3):517-532. doi:10.31015/jaefs.2023.3.6

Chicago

Candar, Serkan, İlknur Korkutal, Elman Bahar, and Fatma Betül Aktaş. 2023. “Exploring the Relationship Between Leaf Water Potential, Defoliation, and Grape Berry Physical Properties of Merlot (Vitis Vinifera L.) Grapevine”. International Journal of Agriculture Environment and Food Sciences 7 (3): 517-32. https://doi.org/10.31015/jaefs.2023.3.6.

EndNote

Candar S, Korkutal İ, Bahar E, Aktaş FB (September 1, 2023) Exploring the relationship between leaf water potential, defoliation, and grape berry physical properties of Merlot (Vitis vinifera L.) grapevine. International Journal of Agriculture Environment and Food Sciences 7 3 517–532.

IEEE

[1]S. Candar, İ. Korkutal, E. Bahar, and F. B. Aktaş, “Exploring the relationship between leaf water potential, defoliation, and grape berry physical properties of Merlot (Vitis vinifera L.) grapevine”, int. j. agric. environ. food sci., vol. 7, no. 3, pp. 517–532, Sept. 2023, doi: 10.31015/jaefs.2023.3.6.

ISNAD

Candar, Serkan - Korkutal, İlknur - Bahar, Elman - Aktaş, Fatma Betül. “Exploring the Relationship Between Leaf Water Potential, Defoliation, and Grape Berry Physical Properties of Merlot (Vitis Vinifera L.) Grapevine”. International Journal of Agriculture Environment and Food Sciences 7/3 (September 1, 2023): 517-532. https://doi.org/10.31015/jaefs.2023.3.6.

JAMA

1.Candar S, Korkutal İ, Bahar E, Aktaş FB. Exploring the relationship between leaf water potential, defoliation, and grape berry physical properties of Merlot (Vitis vinifera L.) grapevine. int. j. agric. environ. food sci. 2023;7:517–532.

MLA

Candar, Serkan, et al. “Exploring the Relationship Between Leaf Water Potential, Defoliation, and Grape Berry Physical Properties of Merlot (Vitis Vinifera L.) Grapevine”. International Journal of Agriculture Environment and Food Sciences, vol. 7, no. 3, Sept. 2023, pp. 517-32, doi:10.31015/jaefs.2023.3.6.

Vancouver

1.Serkan Candar, İlknur Korkutal, Elman Bahar, Fatma Betül Aktaş. Exploring the relationship between leaf water potential, defoliation, and grape berry physical properties of Merlot (Vitis vinifera L.) grapevine. int. j. agric. environ. food sci. 2023 Sep. 1;7(3):517-32. doi:10.31015/jaefs.2023.3.6

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https://doi.org/10.37908/mkutbd.1650700

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https://doi.org/10.1007/s10341-025-01715-x

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Exploring the relationship between leaf water potential, defoliation, and grape berry physical properties of Merlot (Vitis vinifera L.) grapevine

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Mekanik yaprak yaralamanın tane özellikleri üzerine etkileri; Cabernet-Sauvignon ve Merlot üzüm çeşidi örneği

Artificial Wounding Effects on cv. ‘Cabernet Sauvignon’ and cv. ‘Merlot’; Cluster Morphology, Maturation and Quality Interaction

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© International Journal of Agriculture, Environment and Food Sciences