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Ephestia elutella repellent and preparation method thereof

A technology of tobacco powder borer and repellent, applied in animal repellent, botanical equipment and method, pest repellent, etc., can solve problems such as waste, short time of mosquito repellent action, and volatilization and failure of active ingredients, and achieve The effect of long action time, stable avoidance effect, and improved utilization rate of active ingredients

Active Publication Date: 2018-12-07
HONGTA TOBACCO GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no relevant research on the repellent effect of Cypress essential oil on tobacco powder moth, and due to the high volatility of Cypress essential oil, its repellent effect on mosquitoes is relatively short, and a large number of active ingredients volatilize during the insect repellent process. fail, waste

Method used

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  • Ephestia elutella repellent and preparation method thereof
  • Ephestia elutella repellent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Gum Arabic-gelatin was prepared by melting and mixing gum arabic and gelatin at a mass ratio of 1:1. 15g cypress essential oil and 30g nano-montmorillonite powder were fully stirred and mixed for 15 minutes, so that the cypress essential oil was fully absorbed by the nano-montmorillonite. Put the nano-montmorillonite after absorbing Cypress essential oil into the above-mentioned 40g gum arabic-gelatin, and fully stir for 45min, so that the gum arabic-gelatin forms a montmorillonite coating. The montmorillonite coated with gum arabic-gelatin is air-dried at a temperature of 45° C. to prepare coated granules. As a preferred technical solution, the dried coated granules are pulverized and sieved with a 10-mesh sieve, and the sieved material is taken. Fully mix the prepared coated granules with 80g of polyethylene glycol, disperse the granules evenly, pour them into 200g of 10wt% agar melt, stir and disperse evenly, and cool to form a gel to obtain tobacco powder borer rep...

Embodiment 2

[0027] Gum Arabic-gelatin was prepared by melting and mixing gum arabic and gelatin at a mass ratio of 1:1. 10g Cypress essential oil and 30g nano-montmorillonite powder were fully stirred and mixed for 10 minutes, so that Cypress essential oil was fully absorbed by nano-montmorillonite. Put the nano-montmorillonite after absorbing Cypress essential oil into the above-mentioned 35g gum arabic-gelatin, and fully stir for 45min, so that the gum arabic-gelatin forms a montmorillonite coating. The montmorillonite coated with gum arabic-gelatin is air-dried at a temperature of 40° C. to obtain granules. The prepared granules were fully mixed with 70g of polyethylene glycol to uniformly disperse the granules, then poured into 200g of 10wt% agar melt, stirred and dispersed evenly, and cooled to form a gel to obtain the tobacco moth repellent.

Embodiment 3

[0029] Gum Arabic-gelatin was prepared by melting and mixing gum arabic and gelatin at a mass ratio of 1:1. 12g cypress essential oil and 20g nano-montmorillonite powder were fully stirred and mixed for 15 minutes, so that the cypress essential oil was fully absorbed by the nano-montmorillonite. Put the nano-montmorillonite after absorbing Cypress essential oil into the above-mentioned 30g gum arabic-gelatin, and fully stir for 40min, so that the gum arabic-gelatin forms a montmorillonite coating. The montmorillonite coated with gum arabic-gelatin is blast-dried at a temperature of 45° C. to obtain granules. Fully mix the prepared granules with 60g of polyethylene glycol to uniformly disperse the granules, pour them into 100g of 10wt% agar melt, stir and disperse evenly, and cool to form a gel to obtain the tobacco moth repellent.

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Abstract

The invention relates to an ephestia elutella repellent and a preparation method thereof. The repellent is prepared from 20-30 parts of nano-montmorillonite powder, 60-80 parts of polyethylene glycol,30-40 parts of acacia gum-gelatin and 100-200 parts of agar collosol having weight concentration of 10 percent. The preparation method comprises the following steps: sufficiently stirring and mixingsabina chinensis essential oil and the nano-montmorillonite powder to enable the sabina chinensis essential oil to be sufficiently adsorbed by the nano-montmorillonite powder; putting the sabina chinensis essential oil adsorbed by nano-montmorillonite powder into the acacia gum-gelatin to form a montmorillonite coating on the acacia gum-gelatin; drying the acacia gum-gelatin coated montmorilloniteto obtain granules; dispersing the granules in the polyethylene glycol, pouring into the agar collosol, uniformly stirring and dispersing, and cooling to obtain the ephestia elutella repellent. The repellent is effective, nontoxic and safe, does not pollute tobacco, has long acting time, is suitable for use in a closed tobacco barn, and has a relatively high popularization and application value.

Description

technical field [0001] The invention belongs to the technical field of tobacco pest control, and in particular relates to a tobacco powder moth repellant and a preparation method thereof. Background technique [0002] Tobacco powder borer (Ephestia elutella) , also known as tobacco leaf spot moth, tobacco leaf moth, belongs to Lepidoptera (Lepidoptera) Spot Boreridae (Pyralididae) Insects mainly harm tobacco leaves and cigarettes, and also feed on agricultural products such as wheat, oats, and soybeans. In the process of tobacco storage management, due to the influence of temperature and humidity changes inside and outside the warehouse, it often leads to the breeding of various storage pests. This has a serious impact on the quality of cured tobacco leaves. Tobacco powder borer is one of the main insect species that cause serious damage in tobacco storage, second only to tobacco beetle (Lasioderma serricorne). According to a conservative estimate by the tobacco indust...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/06A01N25/08A01N25/18A01N25/12A01N25/28A01P17/00
CPCA01N25/08A01N25/12A01N25/18A01N25/28A01N65/00A01N65/06
Inventor 范羿张立斌王学良戚文辉潘洁樊思润王天驰易斌李雯琦孔彬余云松方俊俊周海东郁骋丹
Owner HONGTA TOBACCO GRP
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