Washing powder is often used in our usual laundry, but you may not know, in fact, washing powder can also be used to kill pests. Washing powder is a contact-killing insecticide and acaricide. It has a good control effect on aphids, red spiders, whitefly and scale insects that often occur on vegetables or fruit trees. Let's take a look at the main principles and precautions of washing powder to kill pests.
First, the main principle of washing powder to kill pests
1. The sodium alkylbenzene sulfonate in the washing powder has a toxic effect, and the insects can be poisoned and died after entering the worm through the respiratory tract.
2. The washing powder solution has a moist and spreading property. Upon contact with the insect body, a layer of air-impermeable film is rapidly formed on the surface to cause the insect to suffocate and die.
3. The washing powder solution has adhesiveness. After the adult is in contact, it is sticky and cannot take off. It takes a long time to die naturally.
Second, what kind of substance can the washing powder mix with insecticide?
1, washing powder can be used alone to kill insects.
2, washing powder can be mixed with urea to kill insects.
3, washing powder can be mixed with diesel to kill insects.
4, washing powder can be mixed with motor oil to kill insects.
5, washing powder can be mixed with chemical pesticides to kill insects.
Third, the use of washing powder to kill insects
1. Mix with other substances. Stir well when preparing. Do not leave any particles. These particles are easy to cause the leaves to burn. Spray evenly, be sure to spray the liquid on the mites, otherwise it will not work.
2, must remember, is the washing powder instead of the laundry detergent, and according to the instructions, choose neutral detergent.
3, the use of washing powder to kill insects must be cautious, vegetables should be used carefully when harvesting quickly, you can wash several dishes. The use of vegetable seedlings that have just emerged from the soil should also be used with caution.
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