Gardenia,whose accumulation ability is 9 times lower than China rose but 4 times higher thanchrysanthemum, can be used as an auxiliary restoration plant.

• 栀子富集Cd的能力较月季低近9倍、高出菊花近4倍,因此只能作为Cd污染土壤的辅助修复植物; 菊花富集Cd的能力和抗性均较差,不宜作为Cd污染土壤的修复植物。