phytocidal

例句：

1. 1. The new pesticide is highly effective against the weeds.
   这种新的杀虫剂对杂草非常有效。
2. 2.The farmers use planticide to control the pests in their crops.
   农民使用植物杀虫剂来控制他们作物中的害虫。
3. 3. The chemical planticide has been banned in many countries due to its toxic effects.
   由于其毒性效应，这种化学杀虫剂在许多国家已被禁止使用。