Preparation method of plant pesticide for preventing and controlling aphids on melons

Abstract

A preparation method of a plant pesticide for preventing and controlling aphids on melons adopts the following ingredients: 2000g of nux vomica, 2000g of neem leaves, 2000g of chillies, 6000g of tripterygium wilfordii powder, 6000g of dregs of tea-oil tree fruit and 5000g of trichlorphon powder. The preparation method comprises the following steps: proportionally cutting the nux vomica, neem leaves, chillies, tripterygium wilfordii powder and dregs of tea-oil tree fruit into pieces respectively, combining the above ingredients and placing the ingredients into a big iron pan, adding 150000g of warm water to the pan, soaking the ingredients in the warm water for 20min, decocting the ingredients with big fire for 15min and with soft fire for 10min, then stop decocting, filtering the ingredients to extract the liquid, after cooling the liquid, adding the trichlorphon powder to the liquid while stirring, continuously stirring the mixture for 15min after completing adding the trichlorphon powder, namely obtaining the finished product.

Description

technical field [0001] The invention relates to a preparation method of plant medicine, in particular to a preparation method of plant medicine for preventing and treating melon aphids. Background technique [0002] At present, when people control melon aphids, they generally use high-concentration pesticides to kill them. Although the control effect is very good, the residual pesticides in melons are too high, which will cause harm to the human body and make people susceptible to various diseases. Various diseases can easily cause the immunity of various functions of the human body to decline. Long-term consumption of melons with high pesticide residues is more likely to cause various cancers. Contents of the invention [0003] The purpose of the present invention is to provide a kind of: the effect of preventing and controlling aphid is good, the preparation method of a kind of botanical medicine preventing and controlling melon aphid without any pesticide residue. [0...

AI Technical Summary

Problems solved by technology

[0002] At present, when people control melon aphids, they generally use high-concentration pesticides to kill them. Although the control effect is very good, the residual pesticides in melons are too high, which will cause harm to the human body and make people susceptible to various diseases. Various diseases can easily lead to a decline in the immunity of various functions of the human body. Long-term consumption of melons with excessive pesticide residues is more likely to cause various cancers