Version 1
: Received: 24 September 2024 / Approved: 25 September 2024 / Online: 25 September 2024 (15:34:42 CEST)
How to cite:
Hernández-Ordoñez, E.; Cruz-Alvarez, O.; Orozco-Avitia, J. A.; Hernández-Rodríguez, O. A.; Alonso-Villegas, R.; Jacobo-Cuellar, J. L.; Gardea-Bejar, A. A.; Ojeda-Barrios, D. L. Canopy Type and Its Effects on Photosynthesis and Fruit Quality of Cabernet Sauvignon Grapevines in Northern Mexico. Preprints2024, 2024092031. https://doi.org/10.20944/preprints202409.2031.v1
Hernández-Ordoñez, E.; Cruz-Alvarez, O.; Orozco-Avitia, J. A.; Hernández-Rodríguez, O. A.; Alonso-Villegas, R.; Jacobo-Cuellar, J. L.; Gardea-Bejar, A. A.; Ojeda-Barrios, D. L. Canopy Type and Its Effects on Photosynthesis and Fruit Quality of Cabernet Sauvignon Grapevines in Northern Mexico. Preprints 2024, 2024092031. https://doi.org/10.20944/preprints202409.2031.v1
Hernández-Ordoñez, E.; Cruz-Alvarez, O.; Orozco-Avitia, J. A.; Hernández-Rodríguez, O. A.; Alonso-Villegas, R.; Jacobo-Cuellar, J. L.; Gardea-Bejar, A. A.; Ojeda-Barrios, D. L. Canopy Type and Its Effects on Photosynthesis and Fruit Quality of Cabernet Sauvignon Grapevines in Northern Mexico. Preprints2024, 2024092031. https://doi.org/10.20944/preprints202409.2031.v1
APA Style
Hernández-Ordoñez, E., Cruz-Alvarez, O., Orozco-Avitia, J. A., Hernández-Rodríguez, O. A., Alonso-Villegas, R., Jacobo-Cuellar, J. L., Gardea-Bejar, A. A., & Ojeda-Barrios, D. L. (2024). Canopy Type and Its Effects on Photosynthesis and Fruit Quality of Cabernet Sauvignon Grapevines in Northern Mexico. Preprints. https://doi.org/10.20944/preprints202409.2031.v1
Chicago/Turabian Style
Hernández-Ordoñez, E., Alfonso Antero Gardea-Bejar and Damaris Leopoldina Ojeda-Barrios. 2024 "Canopy Type and Its Effects on Photosynthesis and Fruit Quality of Cabernet Sauvignon Grapevines in Northern Mexico" Preprints. https://doi.org/10.20944/preprints202409.2031.v1
Abstract
Modification of canopy architecture is fundamental to productivity in grapevine. This research focused on evaluating the impact of canopy openness on photosynthetically active radiation, photosynthetic activity, and the physicochemical properties of fruit in Cabernet Sauvignon grapevines. A completely randomised design was used to compare open and closed canopies, with ten replicates per treatment (20 trees in total), during the vegetative growth period and after harvest. Key measurements included photosynthetically active radiation (PAR), daily light inte-gral (DLI), photosynthetic rate (PR), stomatal conductance (SC), intercellular CO2 concentration (IC), leaf area (LA), transpiration, ambient CO2 concentration, and temperature. Additionally, we assessed fruit quality parameters such as total soluble solids (TSS), glucose-fructose, total titratable acidity (TTA), pH, TSS/TTA, and total phenols (TP). significantly (p≤0.05) increased PAR, DLI, PR, IC, and LA, while after harvest, only PR and IC showed variation. Closed canopies increased CO2/H2O by 62.5%, while H2O/CO2 and temperature were higher in open canopies. Canopy openness increased contacts, gaps and visible sky and reduced leaf area index. Open canopy fruits showed higher TSS, glucose-fructose, pH, TSS/TTA and TP contents. Canopy openness is essential for improving light interception, photosynthetic efficiency and fruit quality in Cabernet Sauvi-gnon grapevine cultivated in northern Mexico.
Keywords
climate change; gas exchange; photosynthetic rate; solar radiation; training system; Vitis vinífera L
Subject
Biology and Life Sciences, Horticulture
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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