Growth and biochemical characteristics of tomato (Solanum lycopersicum L.) and sorghum (Sorghum bicolor (L.) Moench) treated with tannery effluent

Author(s)	Dr. Muthumari M, Dr. Mohan E, Dr. Kannan M, Mr. Shanmugam S
Country	India
Abstract	The current research work showed the effect of tannery effluent at different concentrations on the growth, pigment and biochemical characteristics of tomato (Solanum lycopersicum) and sorghum (Sorghum bicolor). The results of this study revealed that the growth parameters such as shoot length, root length, fresh weight, dry weight and leaf area of both the experimental plants significantly declined as tannery effluent concentrations increased as compared to the water control. Similar substantial decreases were also seen in photosynthetic pigments such as chlorophyll-a, chlorophyll-b, total chlorophyll, anthocyanin and carotenoid when compared to the control plants. The results also highlighted that the biochemical parameters such as total soluble sugar, soluble protein, free amino acids, L-proline and nitrate level in the leaves were observed to decrease as the quantity of tannery effluent increased.. Toxic metal deposition on roots, cell division and elongation retardation, or disruption of cellular metabolism by tannery effluent are all possible causes of the decrease in overall morphometric and biochemical parameters of tomato and sorghum.
Keywords	Growth, Pigments, Biochemicals, Tannery Effluent, Tomato, Sorghum
Field	Biology > Agriculture / Botany
Published In	Volume 8, Issue 2, March-April 2026
Published On	2026-03-25

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