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Volume 12
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10.3390/coatings12020201
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Article

A Comparison of the Effects of Several Foliar Forms of Magnesium Fertilization on ‘Superior Seedless’ (Vitis vinifera L.) in Saline Soils

by
Sally F. Abo El-Ezz
1,
Lo’ay A. A.
2,*,
Nadi Awad Al-Harbi
3,
Salem Mesfir Al-Qahtani
3,
Hitham M. Allam
4,
Mohamed A. Abdein
5 and
Zinab A. Abdelgawad
6
1
Soil Department, Faculty of Agriculture, Mansoura University, EL-Mansoura 35516, Egypt
2
Pomology Department, Faculty of Agriculture, Mansoura University, EL-Mansoura 35516, Egypt
3
Biology Department, University College of Tayma, Tabuk University, Tabuk 47512, Saudi Arabia
4
Viticulture Research Department, Horticulture Research Institute, ARC, Giza 12619, Egypt
5
Biology Department, Faculty of Arts and Science, Northern Border University, Rafha 91911, Saudi Arabia
6
Botany Department, Women’s College, Ain Shams University, Cairo 11511, Egypt
*
Author to whom correspondence should be addressed.
Coatings 2022, 12(2), 201; https://doi.org/10.3390/coatings12020201
Submission received: 6 December 2021 / Revised: 25 January 2022 / Accepted: 25 January 2022 / Published: 3 February 2022
(This article belongs to the Special Issue Functional Nanoparticles for Environmental Contaminants Removal and Agricultural Application)
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Abstract

Magnesium (Mg) is the most essential element constituent in chlorophyll molecules that regulates photosynthesis processes. The physiological response of ‘Superior Seedless’ grapes was evaluated under different foliar magnesium fertilization such as sulfate magnesium (MgSO4·7 H2O), magnesium disodium EDTA (Mg-EDTA), and magnesium nanoparticles (Mg-NPs) during the berry development stages (flowering, fruit set, veraison, and harvest). In general, the ‘Superior Seedless’ vine had a higher performance in photosynthesis with Mg-NPs application than other forms. The Fy/Fm ratio declined rapidly after the fruit set stage; then, it decreased gradually up until the harvesting stage. However, both MgSO4 and Mg-EDTA forms showed slight differences in Fv/Fm ratio during the berry development stages. The outcomes of this research suggest that the Fv/Fm ratio during the growth season of the ‘Superior Seedless’ vine may be a good tool to assess magnesium fertilization effects before visible deficiency symptoms appear. Mg-NPs are more effective at improving ‘Superior Seedless’ berry development than the other magnesium forms. These findings suggest that applying foliar Mg-NPs to vines grown on salinity-sandy soil alleviates the potential Mg deficiency in ‘Superior Seedless’ vines and improves bunches quality.
Keywords: fruit quality; nutrient concentration; chlorophyll concentration fruit quality; nutrient concentration; chlorophyll concentration

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MDPI and ACS Style

El-Ezz, S.F.A.; A., L.A.; Al-Harbi, N.A.; Al-Qahtani, S.M.; Allam, H.M.; Abdein, M.A.; Abdelgawad, Z.A. A Comparison of the Effects of Several Foliar Forms of Magnesium Fertilization on ‘Superior Seedless’ (Vitis vinifera L.) in Saline Soils. Coatings 2022, 12, 201. https://doi.org/10.3390/coatings12020201

AMA Style

El-Ezz SFA, A. LA, Al-Harbi NA, Al-Qahtani SM, Allam HM, Abdein MA, Abdelgawad ZA. A Comparison of the Effects of Several Foliar Forms of Magnesium Fertilization on ‘Superior Seedless’ (Vitis vinifera L.) in Saline Soils. Coatings. 2022; 12(2):201. https://doi.org/10.3390/coatings12020201

Chicago/Turabian Style

El-Ezz, Sally F. Abo, Lo’ay A. A., Nadi Awad Al-Harbi, Salem Mesfir Al-Qahtani, Hitham M. Allam, Mohamed A. Abdein, and Zinab A. Abdelgawad. 2022. "A Comparison of the Effects of Several Foliar Forms of Magnesium Fertilization on ‘Superior Seedless’ (Vitis vinifera L.) in Saline Soils" Coatings 12, no. 2: 201. https://doi.org/10.3390/coatings12020201

APA Style

El-Ezz, S. F. A., A., L. A., Al-Harbi, N. A., Al-Qahtani, S. M., Allam, H. M., Abdein, M. A., & Abdelgawad, Z. A. (2022). A Comparison of the Effects of Several Foliar Forms of Magnesium Fertilization on ‘Superior Seedless’ (Vitis vinifera L.) in Saline Soils. Coatings, 12(2), 201. https://doi.org/10.3390/coatings12020201

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