The volatile oils can not only kill the present insects, but also can control occurance of progeny.
The volatile oils can not only kill the present insects, but also can control occurance of progeny.
植物挥发油的驱避作用较强，经持续4周试验后其驱避率仍能保持在80％左右。
The volatile oils can not only kill the present insects, but also can control occurance of progeny.
植物挥发油的驱避作用较强，经持续4周试验后其驱避率仍能保持在80％左右。