PJB-2024-651
MGO NANOPARTICLES IMPACT ON GROWTH AND DEVELOPMENT OF WHEAT SEEDS
SHAMS UD DIN
Abstract
Wheat (Triticum aestivum L.) is one of the top three most cultivated crops globally after rice and maize. However, its yield is constantly challenged by various biotic and abiotic factors. Nanotechnology has the capability to defend plants, monitor plant development, detect plant diseases and enhance crop production of foods. Magnesium (Mg) is significant for the plant metabolism and acts as structural components or enzyme co-factor, thus helps in activating the metabolic pathway like photosynthesis which leads to better growth and higher yields of plants. However, very little information is available about the dosage dependant delivery of Mg in the form of MgO nanoparticles and its effect on the growth and development of vital cereal crop wheat. The present research work positively reported the impact of MgO NPs on wheat growth and development. Different concentrations (50mg, 100mg, 200mg) of MgO NPs were applied on wheat seeds in-order to check both morphological parameters (root/shoot length, germination percentage, vigor index) and biochemical parameters (chlorophyll contents, total protein contents, proline estimation as well as sugar contents). Result showed that only 50 mg/l and 100 mg/l concentrations enhanced both physiological as well as biochemical parameters as compared to the control. While the highest concentration (200 mg/l) slowed down the growth-related parameters. The present study infers that the lower and medium MgO NPs can easily penetrate inside the plant cell. However, the highest concentration may aggregate in the seed pores which only permits slow water absorption and other essential nutrients hence slow down the growth and development of wheat seeds. The current study is significant for future nano-based improvement of the growth, development and yield related aspects of staple wheat crop.
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