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《Hunan Agricultural Sciences》 2009-07
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Effects of Lead Stress on the content of Lead and Mineral Element in Rice

TONG Jian-hua,TIAN Mei,CHEN Xiao-fei,DING Jun-hui,LIU Su-chun(Hunan Provincial Key Laboratory of Phytohormones,HNAU,Changsha 410128,PRC)  
In order to investigate the effects of lead stress on the content of lead and mineral element in rice,the contents of Pb,K,Ca,Mg in roots,leaves and seeds of rice under different concentrations of lead treatment were studied by ICP through the pot experiment.Xiangzaoxian24 and Baliangyou100 were used as the experimental material.The results showed that the contents of Pb in roots,leaves and seeds of rice were correlated positively with concentration of lead treatment.The order of lead content was rootsleavesseeds.The contents of K,Ca and Mg in roots,leaves and seeds of rice were correlated negatively with concentration of lead treatment.The conclusion is as follows: lead could be absorbed and enriched by rice roots;it could move within rice,and affected the absorption of mineral element by rice.
【Fund】: 湖南省教育厅科研项目(62020406170-J)
【CateGory Index】: S511
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