Green Global
Foundation   Journal
...an emerging window for scientific research and publication across the globe

EVALUATION OF DIFFERENT RICE VARIETIES AGAINST ARSENIC TOXICITY IN GERMINATION AND SEEDLING GROWTH (Pages : 1 - 6)

Effects of arsenic (As) on seed germination, root and shoot length and biomass of rice varieties were investigated to elucidate the toxicity of As. Nine rice varieties viz. BR 11, BR 22, BRRI dhan29, BRRI dhan33, BRRI dhan39, BRRI dhan40, BRRI dhan47, BRRI dhan49 and BRRI dhan53 were grown with different levels of As (0, 15, 40, 70, 100 and 150 ppm). The experiment was laid out in a complete block design with three replications. Results showed that the germination percentage, root and shoot length and biomass of all rice varieties were gradually decreased with the increasing concentration of As solution. Among the rice varieties, BR 11, BR 22 and BRRI dhan49 showed highest degree of tolerance while BRRI dhan29 was the most susceptible to As toxicity.Download