Seed pre-sowing magnetic field treatment was
reported to induce biochemical and physiological changes. In the
present study, response surface methodology was used for deduction
of optimal magnetic field doses. Improved growth and
yield responses in the pea cultivar were achieved using a rotatable
central composite design and multivariate data analysis. The
growth parameters such as root and shoot fresh masses and lengths
as well as yield were enhanced at a certain magnetic field level. The
chlorophyll contents were also enhanced significantly vs. the
control. The low magnetic field strength for longer duration of exposure/
high strength for shorter exposure were found to be optimal
points for maximum responses in root fresh mass, chlorophyll ‘a’
contents, and green pod yield/plant, respectively and a similar
trend was observed for other measured parameters. The results
indicate that the magnetic field pre-sowing seed treatment can be
used practically to enhance the growth and yield in pea cultivar and
response surface methodology was found an efficient experimental
tool for optimization of the treatment level to obtain maximum
response of interest.
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