What medicine is best for scale insects?

Friends who grow flowers know that scale insects are very harmful to the growth of flowers, but many people don't know how to deal with this kind of insect, so what medicine should be used to treat scale insects?

1, methamidophos: This is a commonly used pesticide. Relatively safe, it can also have a good effect. It can remove a series of insects. The disadvantage is that it smells a little strong and pungent. If you use it at home, you can pay attention to this.

2. Thiamethoxam: The toxicity is relatively small, it has no effect on human body, and it can play an effective insecticidal role. It can be used with other pesticides to kill insects, so the effect will be better. 3. Silicone penetrant: It can have tension, penetrate into the pores of plants, and its efficacy is lasting, and it will not affect when it encounters rain. It can completely penetrate the egg and kill the egg by assisting the other two drugs. In addition to spraying leaves, we should also spray wet the surface of the basin soil and pour clear water into the roots. In fact, in addition to medicine, you can also add water to alcohol by self-made methods. Pay attention to the large proportion of water, then pour it into the roots and then wipe the leaves, which will be safer.