PJB-2023-97
Hussein Saber Mohammed Ali Al-Rashedy
Abstract
This study was conducted at the University of Mosul / College of Education for Pure Sciences / Department of Biology in order to study the effect of spraying the bean plant (Vicia faba L.) grown in soils contaminated with nickel and lead with ascorbic acid One time and two times in addition to the comparison treatment. The results indicated that adding heavy metals (nickel and lead) to the soil increased the concentration of heavy metals in bean grains significantly. Treatment with nickel at a concentration of (60) milligram/ kilogram of soil and with lead at a concentration of (600) milligram/ kilogram of soil resulted in a significant increase in nickel and lead concentrations in bean grains, which were (1.788) and (1,900) milligram/ kilogram , respectively. While a large decline in Ca and Na concentrations was observed in bean beans when the soil was processed with nickel at a concentration of (60) milligram/ kilogram and lead at a concentration of (600) milligram/ kilogram of soil, which amounted to (1.40) mg/g for calcium. Sodium concentrations were (0.040) and (0.058) mg/g, respectively. The results indicated that spraying the vegetative parts with ascorbic acid at a concentration of (500) mg / liter twice led to a significant reduce in the nickel concentration in the beans of bean plants, which amounted to (0.168) milligram/ kilogram . And there was a decrease in the concentration of lead when using ascorbic acid twice, at a concentration of (250) mg / liter, when it reached (0.098) milligram/ kilogram . While it was observed that there was a significant increase in the calcium concentration in the grains when spraying plants with ascorbic acid at a concentration of (250) mg / liter for two times, which amounted to (2.80) mg / g compared to the control treatment.
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