Effect of uranium additions on certain biochemical constituents and uranium accumulation in wheat
1997
Jain, G.S. | Aery, N.C. (M. L. Sukhadia Univ., Udaipur (India). Dept. of Botany)
Effect of different (1, 5, 25, 125, 625 micro g.per g) concentrations of uranium added to soil were studied on the content of chlorophyll a. v. total chlorophyll content, leaf soluble proteins, phenols, accumulation and translocation of uranium in wheat grown in sandy loam soil. Chlorophyll content showed significant negative correlation with applied uranium concentrations. Leaf-soluble proteins showed an enhancement as the concentrations of applied uranium was increased indicating an increased breakdown of structural or insoluble proteins. Total phenols also showed an increase with uranium additions. However, an inverse but significant correlation was also observed between amount of total phenol and dry matter production. Roots accumulated maximum content of uranium followed by shoot and seeds. A decrease in translocation ratio at higher uranium concentrations might be due to reduced metabolic activity of roots
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