Abstract
The effect of industrial effluent of a molasses distillery on growth and development of rice ( Oryza sativa L. Cv. Mushoori) seedlings is reported. High concentration of effluent altered the normal pattern of rice seed germination. At 5, 10, 20, and 50% (v/v) effluent concentrations, the coleoptile emerged before the emergence of root primordia. The greening of the coleoptile was delayed with the increase in the effluent concentration. Percentage of germination, viability, number of roots, shoot and root length, fresh weight, and dry weight of the rice seedlings showed an inverse relationship with the effluent concentration. The amount of cations and anions in shoot and root systems of control rice seedlings was found to be the same, whereas in the effluent-treated rice seedlings a relatively high amount of potassium and sodium and a low amount of chloride was found in roots compared to shoots. But the amounts of phosphorus, magnesium, and calcium were more or less the same in both root and shoot.
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