Plant essential oil preparation capable of preventing and controlling aleyrodidae adult pests as well as preparation method and application thereof

Abstract

The invention discloses a plant essential oil preparation capable of preventing and controlling aleyrodidae adult pests as well as a preparation method and application thereof. The preparation comprises the following components by weight percent content: 40-60% of plant essential oil, 5% of a cosolvent, 10-15% of an emulsifier, 1-3% of an antifreezing agent and the balance of a solvent. The preparation has a good control effect on aleyrodidae adult pests, such as aleurocanthus spiniferus, aleurocanthus woglumi ashby, trialeurodes vaporariorum, bemisia tabaci and dialeurodes citri, and is especially quite good in fast-acting property, the control efficiency can reach 90% or above 0.5 h after application, and the natural enemies of ladybird, and the like, are not killed and hurt; the preparation is used for preventing and controlling aleyrodidae adult pests, can be sprayed in large fields with a conventional sprayer, can be directly applied in a greenhouse with a thermal aerosol sprayer, can be used as an environment-friendly smoke agent of the thermal aerosol sprayer, and is simple in processing technology, various in application methods, efficient, safe and environment-friendly.

Description

technical field

[0001] The present invention relates to a plant essential oil preparation (hereinafter referred to as GCS preparation) which can prevent and control adults of whitefly pests, in particular to a mixture of two or more of citronella oil, fragrant birch oil and litsea cubeba oil in any ratio as the main active ingredients. A preparation with a mass content of 40-60% and its preparation method and application. Background technique

[0002] Whitefly pests are widely distributed on grain and oil crops, fruit forests, vegetables, garden flowers and other plants. Whiteflies use piercing-sucking mouthparts to suck plant juice, causing plant weakness, and secreting a large amount of honeydew-induced bituminous soot, which seriously affects plant photosynthesis. The role of plant growth causes poor plant growth and reduces its economic value and ornamental value; spreads a variety of plant viruses; whitefly pests are not only small in size, rapid in reproduction, but al...

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