Magnetopriming has emerged as a promising seed-priming method, improving seed vigor, plant performance and productivity under both normal and stressed conditions. Various recent reports have demonstrated that improved photosynthesis can lead to higher biomass accumulation and overall crop yield. The major focus of the present review is magnetopriming-based, improved growth parameters, which ultimately favor increased photosynthetic performance. The plants originating from magnetoprimed seeds showed increased plant height, leaf area, fresh weight, thick midrib and minor veins. Similarly, chlorophyll and carotenoid contents, efficiency of PSII, quantum yield of electron transport, stomatal conductance, and activities of carbonic anhydrase (CA), Rubisco and PEP-carboxylase enzymes are enhanced with magnetopriming of the seeds. In addition, a higher fluorescence yield at the J-I-P phase in polyphasic chlorophyll a fluorescence (OJIP) transient curves was observed in plants originating from magnetoprimed seeds. Here, we have presented an overview of available studies supporting the magnetopriming-based improvement of various parameters determining the photosynthetic performance of crop plants, which consequently increases crop yield. Additionally, we suggest the need for more in-depth molecular analysis in the future to shed light upon hidden regulatory mechanisms involved in magnetopriming-based, improved photosynthetic performance.

Department of Biotechnology Persian Gulf Research Institute Persian Gulf University Bushehr 7516913817 Iran

Department of Botany and Plant Physiology Faculty of Agrobiology Food and Natural Resources Czech University of Life Sciences Prague Kamycka 129 165 00 Prague Czech Republic

Department of Horticulture Horticol Complex of Agadir Agronomy and Veterinary Institute Hassan 2 Agadir 80000 Morocco

Department of Horticulture Science Shiraz Branch Islamic Azad University Shiraz 71987 74731 Iran

Department of Plant Physiology Slovak University of Agriculture Nitra Tr A Hlinku 2 949 01 Nitra Slovakia

Department of Sustainable Crop Production Università Cattolica Del Sacro Cuore Via Emilia Parmense 84 29122 Piacenza Italy

Faculty of Pharmacy Federal University of Bahia Salvador 40170 115 BA Brazil

ICAR National Institute for Plant Biotechnology New Delhi 110012 India

School of Biochemistry Devi Ahilya Vishwavidyalaya Khandwa Road Indore 452001 India

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