Sitophilus zeamais repellent based on folium artemisiae argyi essential oil and preparation method of sitophilus zeamais repellent

Abstract

The invention discloses a sitophilus zeamais repellent based on folium artemisiae argyi essential oil. The sitophilus zeamais repellent is prepared from components in parts by weight as follows: 40-60parts of a core material and 5-10 parts of a wall material, wherein the core material is prepared from components in parts by weight as follows: 10-15 parts of the folium artemisiae argyi essential oil, 30-50 parts of Zingiber Corallinum, 20-30 parts of forrest silkvine stem or root, 10-20 parts of Balsamiferou blumea herb, 10-20 parts of stem of mucuna birdwoodiana and 0.5-1 part of meadowfoam seed oil; the wall material is prepared from components in parts by weight as follows: 10-15 parts of chitosan modified diatomite, 1-2 parts of nano cellulose whisker, 1-2 parts of gelatin, 1-2 parts of sodium carboxymethyl cellulose and 20-30 parts of water. Besides, the invention provides a preparation method of the sitophilus zeamais repellent based on the folium artemisiae argyi essential oil.Various kinds of plant essential oil are adopted for repelling sitophilus zeamais, the active components are promoted mutually, different populations of sitophilus zeamais adults can be repelled efficiently, and drug resistance cannot be produced after long-time use.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a corn weevil repellent based on mugwort essential oil and a preparation method thereof. Background technique [0002] The control of stored grain pests is an important problem in the world's grain storage, and they can seriously reduce the yield and quality of stored grains. Maize weevil belongs to Coleoptera, Weevilidae. It is one of the most destructive pests of stored products. It is distributed all over the world, harming rice, wheat, corn, potatoes and their processed products, as well as local specialties such as lotus seeds, Gastrodia elata and others. Chinese medicinal materials. Under the conditions suitable for its life, the loss rate of the damaged grain reaches 11.25% in 3 months, and can increase to 35.52% after 6 months. [0003] At present, the most widely used methods of controlling corn weevils are chemical fumigation and application of chemical...

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Problems solved by technology

[0005] The invention provides a corn weevil repellent based on Artemisia argyi essential oil, which solves the side effects on raw grain storage caused by the application of chemical fumigants and insect repellents in the prior art, and produces resistance to stored grain pests and plant-source repellent The problem with the limited variety of agents

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