The results show that when the concentration of Pb~(2+) is(2.00) mg/L,the highest resistance index is amaranth,and the lowest is Chinese cabbage.

• 结果表明:在12.；00 mg/L Pb2+胁迫下；抗性最强的为苋菜；抗性最弱的为大白菜或小白菜;