Optimization of pre-sowing magnetic field doses through RSM in pea
M. Iqbal 1
,  
I. Ahmad 2
,  
S.M. Hussain 3
,  
R.A. Khera 1
,  
T.H. Bokhari 4
,  
 
 
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1
Department of Chemistry and Biochemistry, University of Agriculture, Faisalabad-38040, Pakistan
2
Department of Mathematical Sciences, Göteborg University, SE-41296, Göteborg, Sweden
3
Department of Wildlife and Fisheries, Government College University, Faisalabad-38000, Pakistan
4
Department of Chemistry; Government College University, Faisalabad-38000, Pakistan
5
Department of Agronomy; University of Agriculture Faisalabad-38040, Pakistan
 
Int. Agrophys. 2013, 27(3): 265–274
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ABSTRACT
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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