Effect of static magnetic field pretreatment on growth, photosynthetic performance and yield of soybean under water stress

In order to evaluate the effect of static magnetic field (SMF) on morphological and physiological responses of soybean to water stress, plants were grown under well-watered (WW) and water-stress (WS) conditions. The adverse effects of WS given at different growth stages was found on growth, yield, a...

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Bibliographic Details
Published in:Photosynthetica 2018-06, Vol.56 (2), p.718-730
Main Authors: Baghel, L., Kataria, S., Guruprasad, K. N.
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Chlorophyll
Crop yield
Flowering
Fluorescence
Life Sciences
Magnetic fields
Nitrate reductase
Original Paper
Performance indices
Photosynthesis
Photosynthetic pigments
Photosystem II
Physiological effects
Physiological responses
Physiology
Pigments
Plant growth
Plant Physiology
Pretreatment
Pretreatment of water
Seeds
Side effects
Soybeans
Water stress
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Summary:In order to evaluate the effect of static magnetic field (SMF) on morphological and physiological responses of soybean to water stress, plants were grown under well-watered (WW) and water-stress (WS) conditions. The adverse effects of WS given at different growth stages was found on growth, yield, and various physiological attributes, but WS at the flowering stage severely decreased all of above parameters in soybean. The result indicated that SMF pretreatment to the seeds significantly increased the plant growth attributes, biomass accumulation, and photosynthetic performance under both WW and WS conditions. Chlorophyll a fluorescence transient from SMF-treated plants gave a higher fluorescence yield at J–I–P phase. Photosynthetic pigments, efficiency of PSII, performance index based on absorption of light energy, photosynthesis, and nitrate reductase activity were also higher in plants emerged from SMF-pretreated seeds which resulted in an improved yield of soybean. Thus SMF pretreatment mitigated the adverse effects of water stress in soybean.
ISSN:0300-3604
1573-9058
DOI:10.1007/s11099-017-0722-3