jzs-10653

Effects of Potassium and Calcium Salts on Chlorophylls and Carotenoids Contents, and some Stomata Properties of Vicia faba

Mohammed Mahmood Mohammed1,Ikbal Muhammed Gharib AL-Barzinji1 & Aroul Muhson Anwar1

1 Faculty of Science and Health- Koya University, Daniel Mitterrand Boulevard, Koya KOY45 AB64, Kurdistan Region - Iraq

Abstract

This study was carried out by using foliar spraying with two cations and tow anions that where potassium chloride (KCl), potassium sulphate (K2SO4), calcium chloride (CaCl.2H2O), and calcium sulphate (CaSO4), in addition to the control plants that sprayed with tap water, two concentration of each treatment (5 and 7.5 g/l) were used to investigate there effects on chlorophylls, carotenoids contents and some stomata characteristics of Vicia faba L. var. Barcelona. The results show that KCl increased chlorophyll a, chlorophyll b and total carotenoids significantly compared to other treatments, except the CaSO4 treatment for chlorophyll b, whereas there were non-significant differences between salts concentrations on these pigments. Salts type had non-significant effects on stomata number on both of adaxial and abaxial leaves surfaces. Regarding stomata guard cell length in abaxial surfaces the differences between the treatments were non-significant, whereas in adaxial surfaces each of control and CaCl.2H2O had the highest length compared to K2SO4 treatment. Stomata guard cell width on abaxial surfaces increased significantly when CaSO4 salt was sprayed compared to the control and CaCl.2H2O treatments, whereas the differences were non-significant in respect to adaxial leaves surfaces. There were non-significant differences between salt concentrations on the characteristics of stomata on adaxial and abaxial leaves surfaces.

 Key Words: Vicia faba L. Potassium, Calcium, Chlorophyll, Carotenoids, Stomata.    


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