PJB-2019-283
Phytotoxicity of Chromium on Germination and Seedling Growth of Oryza sativa L. var. Ciherang and Sarinah
T.Taufikurahman
Abstract
Leather tanning industry in Sukaregang, Garut uses chromium compounds in its processes. The effects of heavy metal on plants are often detected in early stages of growth, for example during the germination phase. The purpose of this study is to compare the effects of heavy metal chrome and tannery waste on the germination percentage and sprouting growth two rice varieties, i.e. Sarinah and Ciherang. Leather tanning waste was taken from the Cigulampeng river, Garut City and used without dilution. The concentrations of K2Cr2O7 used were 50, 100 and 200 mg /L. The variables observed were percent of germination, shoot length, root length, and dry weight. The germination percentage of Ciherang variety was higher than Sarinah variety. Chromium reduced germination percentage in both rice varieties. The average root length, shoot length and dry weight of control and polluted water treatment did not differ significantly in Ciherang and Sarinah varieties. Average root length, shoot length and dry weight in Ciherang variety is more sensitive to chromium concentrations than Sarinah variety. During the germination process, the Ciherang variety had a higher percentage of germination than the Sarinah variety, but Sarinah variety had higher growth.
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