Chinese herbal medicine composition for replacing pesticide to repel and control diseases and insect pests and method of Chinese herbal medicine composition

Abstract

The invention provides a Chinese herbal medicine composition for replacing pesticides to repel, prevent and control diseases and insect pests and a method of the Chinese herbal medicine composition. The Chinese herbal medicine composition comprises the following components: a tea seed cake extract, a hot pepper extract, a sophora flavescens extract, a humus extract, a veratrum nigrum extract, a flue-cured tobacco stem extract, a camphorwood residue extract, a derris root extract, a pyrethrum extract and a fructus cnidii extract. Green plant source components with Chinese herbal medicines as raw materials are adopted for common pest control, and the result shows that the repelling and killing effects of pests such as Psyllidae, red spiders, aphids, Phyllocnistis citrella, Icerya purchasi, phyllocoptruta oleivora and cabbage caterpillars are obvious and can reach 90% or above. The structures of the raw materials and the composition are analyzed by Fourier transform infrared spectroscopy and the like, and the result shows that the Chinese herbal medicine composition contains characteristic peaks of effective components of the Chinese herbal medicine raw materials, and integrates excellent performance of the effective components of the Chinese herbal medicine; and the composition can be used for repelling and preventing common citrus diseases and insect pests such as Psyllidae, red spiders, aphids, Phyllocnistis citrella, Icerya purchasi, phyllocoptruta oleivora and cabbage caterpillars.

Description

technical field [0001] The invention relates to a method for repelling and preventing common diseases and insect pests, in particular to a method for repelling and preventing and controlling diseases and insect pests by spraying a water emulsion of a Chinese herbal medicine composition on citrus and other fruit trees. Background technique [0002] As an economical fruit, citrus is rich in nutrition, rich in vitamin C, and delicious in taste. It is grown in more than 140 countries (regions) around the world and is the largest fruit in the world. my country is one of its main origins. According to the survey and statistics of the National Bureau of Statistics, my country's citrus cultivation area and output became the first in the world in 2007, occupying an important position in the national economy. [0003] However, in recent years, pests such as citrus psyllids, spider mite, aphids, leaf miners, scale insects, rust ticks and cabbage caterpillars have intensified, seriously...

AI Technical Summary

Problems solved by technology

These chemical pesticides can control citrus common diseases and insect pests to a certain extent, but the large-scale use of pesticides not only increases the resistance of pests, but also makes the control of citrus diseases and insect pests more and more difficult. High pesticide residues also easily pollute the environment and deteriorate the growth environment of fruit trees.

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