Effects of tannery effluents on biochemical growth parameters of abelmoschus esculentus. l (ladies finger)

This experimentation was carried out the effect of tannery effluent on seed germination of Abelmoschus esculentus .L (Ladies finger) seeds under the tannery spiked soil condition. The treatments were made by mixing measured amount of tannery effluents in ground water i.e.5%,10%,15%,20%,25%,and 100% concentrations on seed germination of Abelmoschus esculentus .L (Ladies finger). The seed germination experiments were carried out in completely randomized design (CRD) with six effluent concentrations (treatments), each experiment carried out in triplicates. The seeds were grown in different effluent concentrations and the effects of different concentrations of effluents were compared to that of ground water (control). After the experiments, 80th day, the seedlings were collected and growth parameters like germination percentage, shoot length, number of leaves and auxillary buds were observed as decreased with higher amount of 25%(v/v) up to 100% (v/v) concentrations. The same trend also observed in biochemical parameters like protein, carbohydrate and chlorophyll content respectively. In conclusion, the Abelmoschus esculentus .L growth and biochemical parameters were minimum effect with 20%(v/v) concentration comparing to control. As a result the optimum concentration of tannery effluent contaminated soil was found to be 20%(v/v). The toxic chromium Cr(III) was transferred to different parts of the plant as non-toxic Cr(III). Finally it was observed that the effluent can be used for irrigation purpose after appropriate dilution with ground water.