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중금속이 코스모스와 해바라기의 초기 생육반응에 미치는 영향 : the Potential for Phytoremediation
강만혜,이영현,이종화 순천향대학교 기초과학연구소 2002 순천향자연과학연구 논문집 Vol.8 No.2
This research used cosmos(Cosmos bipinnatus Cav.) and sunflower(Helianthus annuus L.) to test the potential of phytoremediation, an environmental heavy metal removal method. I examined the emergence, growth rate and physiological responses and confirmed heavy metal accumulation of Cd and Cu treatment and pH treatment-affected plants at early growing period. The emergence and growth rate was shown the lowest in the Cu 2000 μM. Chlorophyll and soluble protein content according to pH concentration were a little bad in their treatment plot compared with the control and were a little bad as pH concentration was decrease. But total nitrogen content was shown the highest in the Cu 2000 μM than other treatments and was increased as pH was decrease. Heavy metal accumulation of roots in two plants was higher than the content of shoot part. Heavy metal accumulation concentration was measured Cu 369.79㎍/g, Cd 114.99㎍/g in roots of cosmos, and Cu 318.94㎍/g, Cd 81.20㎍/g in roots of sunflower.