Washing powder is cheap pesticide

Washing powder is a kind of tag type insecticidal, acaricidal agent, to family flowers often prone to four pests (aphid, red spider, whitefly, scale insects) has good control effect.Common neutral detergent powder 500-800 times liquid spray, if can control aphid, aphis, if adult mites, mites and young mites, and has the inhibitory effect of mite eggs hatch, in 300-500 times liquid spray, can control whitefly adults, nymphs and scale insect larva, with 800-1000 times liquid filling, prevention and treatment of root and tuber of nematodes.In addition, some washing powder on lepidoptera larvae and white butterfly larva also to have certain control effect.

Why washing powder can kill insect?This is because the washing powder (i.e., the commonly used household detergent) was mostly dodecyl benzene sulfonic acid sodium and its auxiliary material, general content is 20% - 30%.Soluble in water, its aqueous alkaline reaction.Effect on pest mainly tag, and can inhibit mite eggs hatch.Spray the detergent water cloth on insect body of wax and adhesion on the insect body, forming a layer of thin film block pores, make pests choked to death.Should be paid attention to when using the washing powder use neutral detergent in case too much detergent containing alkaline leaves caused by burn.After spray leaves have burn phenomenon is found, will be immediately spraying water remaining detergent and rinse.Don't use the concentrations of different flowers, should do concentration test first, and then spraying.

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