Response of nickel pollution on physiological and biochemical attributes of wheat (Triticum aestivum L.) var. Bhakar-02
2012
Shafeeq, A. (Government Coll. Univ., Lahore (Pakistan). Dept. of Botany) | Butt, Z.A. (Government Coll. Univ., Lahore (Pakistan). Dept. of Botany) | Muhammad, S. (Government Coll. Univ., Lahore (Pakistan). Dept. of Botany)
For the determination of the effect of different nickel (Ni) concentrations on the physiological and biochemical attributes of wheat (Triticum aestivum L. var. Bhakar-02), an experiment was conducted in Botanic Garden of GCU, Lahore. Certified seeds of wheat crop were selected. Soil was mixed with different nickel chloride concentrations (50,100,150,200,250 and 300 mg/Kg of soil) to make the treatments from T1 to T6. The control plants were grown in soil without nickel salt. The study was carried out in order to find out the impact of nickel concentrations on different growth parameters such as plant height, number of green and senescent leaves, number of tillers per plant. All observed plants showed the reduction trend from T1 to T6 as compared to T0 (control). Along with these, biochemical analysis (chlorophyll a, b, total chlorophyll and carotenoids contents) and physiological parameters (photosynthetic rate, transpiration rate and stomatal conductance) of respective plants was carried out in laboratory in which decreasing trend was also recorded from T1 to T6 as compared to control. The present study was helpful in determining the toxic effects of Ni on physiological and biochemical parameters of wheat.
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