THE EFFECT OF METAL-BASED NANOPARTICLES ON THE SYNTHESIS OF PHOTOSYNTHETIC PIGMENTS IN WHEAT PLANT LEAVES DEPENDING ON THE SPECTRAL COMPOSITION OF LIGHT
2024
Dilber Abdullayeva | Ismat Ahmadov | Ziyaddin Mamedov | Goncha Eyvazova
Abstact. The present study analyses chlorophyll biosynthesis in leaves of young wheat seedlings and the effect of zinc oxide (ZnO) and iron oxide (Fe3O4) nanoparticles on the pigment compositionin different light spectra (white, red, and blue). Wheat seeds were first kept in a suspension solutionof iron and zinc oxide nanoparticles for 24 hours and planted in pots. The amount of Chla in theleaves of seedlings treated with ZnO nanoparticles is higher than that of the control variant in alllight spectrums. This result indicates that ZnO nanoparticles stimulate the synthesis of Chla. This stimulation is more effective in blue light. Fe3O4 nanoparticles are effective only in red light. ZnO nanoparticles stimulate the synthesis of Chlb better only in blue light. ZnO nanoparticles have littleeffect on the synthesis of carotenoids in red light, and their effect does not differ much in white and blue light. The effect of Fe3O4 nanoparticles on the synthesis of Chlb is more effective only in bluelight. The effect of Fe3O4 nanoparticles on the synthesis of carotenoids does not depend on the spectral content of light.
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