ABSORPTION OF HEAVY METALS AND MINERAL ELEMENTS BY LOTUS: IMPROVMENT BY ION PLANTATION

Induced-mutation by ion implantation is an effective way to breed new plant cultivars.To further apply this technology,Lotus cultivars Jingguang No.1 and 2,induced-mutants of Taikonglian No.1 by ion implantation,were used in this study.Contents of heavy metals and mineral elements were analyzed by atomic fluorescence spectrometry(AFS),atomic absorption spectrometry(AAS) and inductively coupled plasma atomic emission spectroscopy(ICP-AES).Several heavy metals and mineral elements were absorbed by Jingguang No.1 and 2 more than by Taikonglian No.1.These results showed that plants induction-mutated by ion implantation could be used to remedy heavy metal contamination,and possibly also to improve plant nutrient content.This obviously has important implications for applications of the ion-implantation technology.