Can I spray pesticides on vegetables to kill insects?

Whether pesticides can be sprayed on vegetables depends on the types of pesticides. If it is an agricultural pesticide (including insect-res

Can I spray pesticides on vegetables to kill insects?

Whether pesticides can be sprayed on vegetables depends on the types of pesticides. If it is an agricultural pesticide (including insect-resistant pesticides), it can be sprayed on vegetables to kill insects. If it is an insecticide for mosquitoes and cockroaches, it may be toxic. It is generally not recommended to spray it on vegetables to kill insects.

1. Can I spray pesticides on vegetables to kill insects?

1, pesticides can be sprayed on vegetables, and be careful when eating. Household insecticides for killing mosquitoes and cockroaches are generally not recommended to be sprayed on vegetables. Various aerosol insecticides, insecticidal emulsifiable concentrate, mosquito repellent tablets, mosquito repellent incense, cockroach killer tablets, etc. Pyrethroid deltamethrin is mainly used to control urban health pests, which may have certain toxicity. It is best not to spray it on vegetables.

2. At present, biological pesticides, such as Bacillus thuringiensis, insect viruses and plant extracts, can be mainly used to produce pollution-free green vegetables. They have the characteristics of convenient materials, low cost, long control period, economy, high efficiency, safety, no pollution and high compatibility with the environment.

Second, how to do pesticides?

The methods of self-made pesticides can be roughly divided into three types:

1, first of all, use spicy vegetables, such as peppers, garlic, leeks, onions, etc. After mashing, add water and spray it once every 4-5 days to control pests with spicy taste.

2. The second method is to water the roots with leaves of vegetables such as tomatoes, loofahs and cucumbers to control underground pests.

3. The third way is to use the leaching solution of plant ash and tobacco to kill insects, which has a good control effect on snails and aphids, and can also supplement potassium fertilizer.