Table 1. Effect of stationary magnetic field treatment on Performance index (PI) and its different components as derived from the fluorescence induction curve.

Treatment	The density of reaction Centers (RC/ABS)	The efficiency of light reaction ΦPo/(1-Φpo)	The efficiency of biochemical reaction ψ0/(1- ψ0)	PIABS RC/ABS. ΦPo/(1 -Φpo) . ψ0/(1 - ψ0)
0 mT	0.625 ± 0.01	2.802 ± 0.061	0.949 ± 0.029	1.688 ± 0.13
100mT (2h)	0.707 ± 0.012***	3.385 ± 0.036***	1.061 ± 0.021***	2.50 ± 0.18***
200 mT (1h)	0.736± 0.014***	3.545 ± 0.048***	1.105 ± 0.020***	2.742 ± 0.181***
Data are the means of ± S.E.M. of fifteen plants (n=15). ***, ** and * indicate significance at p < 0.001, 0.01, 0.05 respectively