在绿化工作中，我们经常发现有的单位散发着刺鼻的毒气，如：农药厂，化工厂等。这些毒气不但人难以忍受，而且植物生长也会受到不同程度的影响，或生长缓慢、开花不良，或叶片皱缩，重者死亡，达不到绿化目的。由此筛选抗药害植物，以满足绿化、美化需要是当前之急需。一般凡 In the afforestation work, we often find some units exudes a pungent gas, such as: pesticide plants, chemical plants and so on. These toxic gases are not only unbearable, but also plant growth will be affected to varying degrees, or slow growth, poor flowering, or leaf shrinkage, severe death, failing to achieve the purpose of greening. Thus screening of resistant plants, in order to meet the greening, landscaping needs is the immediate need. Ordinary where