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《Journal of Tea》 2004-02
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A Study on Properties of uptake and accumulation of lead by tea plant

KANG Mengli, LUO Yaoping ,SHI Yuanzhi, MA Lifeng, HAN Wenyan (Tea Sciences department, Zhejiang University, Hangzhou, 310029; Tea Research Institute Chinese Academy of Agricultural Sciences, Hangzhou, 310008)  
Cultured with Hongland solution with lead, the absorption and accumulation of lead in tea plant were studied. The result showed that the sequence of lead concentration in tea plant is that absorbing roots main root, stems budold leaf; With increasing the solution lead , the lead content of tea roots increased significantly and was positively correlated to the solution lead concentration,and the correlation equation was y=771.9x-974.57 and the coefficient of correlation is 0.9766.However, when lead concentration is below 200mg/l,lead content is not significant against the solution lead concentration. But when the solution lead concentration changes from 200 to 400 mg/L, the lead content of aerial part is significantly correlated to the solution lead concentration and the coefficient of correlation is 0.9945. The lead absorbed in to tea plant was correlated to pH in the root environment.
【CateGory Index】: S571.1;O614.43
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