Magnesium Foliar Supplementation Increases Grain Yield of Soybean and Maize by Improving Photosynthetic Carbon Metabolism and Antioxidant Metabolism

(1) Background: The aim of this study was to explore whether supplementary magnesium (Mg) foliar fertilization to soybean and maize crops established in a soil without Mg limitation can improve the gas exchange and Rubisco activity, as well as improve antioxidant metabolism, converting higher plant...

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Main Authors: Vitor Alves Rodrigues, Carlos Alexandre Costa Crusciol, João William Bossolani, Luiz Gustavo Moretti, José Roberto Portugal, Tamara Thaís Mundt, Sirlene Lopes de Oliveira, Ariani Garcia, Juliano Carlos Calonego, Romulo Pisa Lollato
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Plants
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Online Access:https://www.mdpi.com/2223-7747/10/4/797
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author Vitor Alves Rodrigues
Carlos Alexandre Costa Crusciol
João William Bossolani
Luiz Gustavo Moretti
José Roberto Portugal
Tamara Thaís Mundt
Sirlene Lopes de Oliveira
Ariani Garcia
Juliano Carlos Calonego
Romulo Pisa Lollato
author_facet Vitor Alves Rodrigues
Carlos Alexandre Costa Crusciol
João William Bossolani
Luiz Gustavo Moretti
José Roberto Portugal
Tamara Thaís Mundt
Sirlene Lopes de Oliveira
Ariani Garcia
Juliano Carlos Calonego
Romulo Pisa Lollato
author_sort Vitor Alves Rodrigues
collection DOAJ
description (1) Background: The aim of this study was to explore whether supplementary magnesium (Mg) foliar fertilization to soybean and maize crops established in a soil without Mg limitation can improve the gas exchange and Rubisco activity, as well as improve antioxidant metabolism, converting higher plant metabolism into grain yield. (2) Methods: Here, we tested foliar Mg supplementation in soybean followed by maize. Nutritional status of plants, photosynthesis, PEPcase and Rubisco activity, sugar concentration on leaves, oxidative stress, antioxidant metabolism, and finally the crops grain yields were determined. (3) Results: Our results demonstrated that foliar Mg supplementation increased the net photosynthetic rate and stomatal conductance, and reduced the sub-stomatal CO<sub>2</sub> concentration and leaf transpiration by measuring in light-saturated conditions. The improvement in photosynthesis (gas exchange and Rubisco activity) lead to an increase in the concentration of sugar in the leaves before grain filling. In addition, we also confirmed that foliar Mg fertilization can improve anti-oxidant metabolism, thereby reducing the environmental stress that plants face during their crop cycle in tropical field conditions. (4) Conclusions: Our research brings the new glimpse of foliar Mg fertilization as a strategy to increase the metabolism of crops, resulting in increased grain yields. This type of biological strategy could be encouraged for wide utilization in cropping systems.
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spelling doaj.art-e61c97312a2848569a2ab3a34a8aefbb2023-11-21T16:07:23ZengMDPI AGPlants2223-77472021-04-0110479710.3390/plants10040797Magnesium Foliar Supplementation Increases Grain Yield of Soybean and Maize by Improving Photosynthetic Carbon Metabolism and Antioxidant MetabolismVitor Alves Rodrigues0Carlos Alexandre Costa Crusciol1João William Bossolani2Luiz Gustavo Moretti3José Roberto Portugal4Tamara Thaís Mundt5Sirlene Lopes de Oliveira6Ariani Garcia7Juliano Carlos Calonego8Romulo Pisa Lollato9Department of Crop Science, College of Agricultural Sciences, São Paulo State University (UNESP), Botucatu, SP 18610-034, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University (UNESP), Botucatu, SP 18610-034, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University (UNESP), Botucatu, SP 18610-034, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University (UNESP), Botucatu, SP 18610-034, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University (UNESP), Botucatu, SP 18610-034, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University (UNESP), Botucatu, SP 18610-034, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University (UNESP), Botucatu, SP 18610-034, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University (UNESP), Botucatu, SP 18610-034, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University (UNESP), Botucatu, SP 18610-034, BrazilThrockmorton Plant Science Center, Department of Agronomy, Kansas State University (KSU), 1712 Claflin Road, Manhattan, KS 66506, USA(1) Background: The aim of this study was to explore whether supplementary magnesium (Mg) foliar fertilization to soybean and maize crops established in a soil without Mg limitation can improve the gas exchange and Rubisco activity, as well as improve antioxidant metabolism, converting higher plant metabolism into grain yield. (2) Methods: Here, we tested foliar Mg supplementation in soybean followed by maize. Nutritional status of plants, photosynthesis, PEPcase and Rubisco activity, sugar concentration on leaves, oxidative stress, antioxidant metabolism, and finally the crops grain yields were determined. (3) Results: Our results demonstrated that foliar Mg supplementation increased the net photosynthetic rate and stomatal conductance, and reduced the sub-stomatal CO<sub>2</sub> concentration and leaf transpiration by measuring in light-saturated conditions. The improvement in photosynthesis (gas exchange and Rubisco activity) lead to an increase in the concentration of sugar in the leaves before grain filling. In addition, we also confirmed that foliar Mg fertilization can improve anti-oxidant metabolism, thereby reducing the environmental stress that plants face during their crop cycle in tropical field conditions. (4) Conclusions: Our research brings the new glimpse of foliar Mg fertilization as a strategy to increase the metabolism of crops, resulting in increased grain yields. This type of biological strategy could be encouraged for wide utilization in cropping systems.https://www.mdpi.com/2223-7747/10/4/797photosynthesisoxidative stressfoliar applicationsink-source relationshipcarbohydrate partitioning
spellingShingle Vitor Alves Rodrigues
Carlos Alexandre Costa Crusciol
João William Bossolani
Luiz Gustavo Moretti
José Roberto Portugal
Tamara Thaís Mundt
Sirlene Lopes de Oliveira
Ariani Garcia
Juliano Carlos Calonego
Romulo Pisa Lollato
Magnesium Foliar Supplementation Increases Grain Yield of Soybean and Maize by Improving Photosynthetic Carbon Metabolism and Antioxidant Metabolism
Plants
photosynthesis
oxidative stress
foliar application
sink-source relationship
carbohydrate partitioning
title Magnesium Foliar Supplementation Increases Grain Yield of Soybean and Maize by Improving Photosynthetic Carbon Metabolism and Antioxidant Metabolism
title_full Magnesium Foliar Supplementation Increases Grain Yield of Soybean and Maize by Improving Photosynthetic Carbon Metabolism and Antioxidant Metabolism
title_fullStr Magnesium Foliar Supplementation Increases Grain Yield of Soybean and Maize by Improving Photosynthetic Carbon Metabolism and Antioxidant Metabolism
title_full_unstemmed Magnesium Foliar Supplementation Increases Grain Yield of Soybean and Maize by Improving Photosynthetic Carbon Metabolism and Antioxidant Metabolism
title_short Magnesium Foliar Supplementation Increases Grain Yield of Soybean and Maize by Improving Photosynthetic Carbon Metabolism and Antioxidant Metabolism
title_sort magnesium foliar supplementation increases grain yield of soybean and maize by improving photosynthetic carbon metabolism and antioxidant metabolism
topic photosynthesis
oxidative stress
foliar application
sink-source relationship
carbohydrate partitioning
url https://www.mdpi.com/2223-7747/10/4/797
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