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Botanical vegetable insecticide as well as preparation method and application thereof

An insecticide and plant-derived technology, applied in the field of plant-derived vegetable insecticides and their preparation, can solve the problems of short duration, poor control effect, single component, etc., achieve rapid onset of action, improve insecticidal effect, The effect of high product yield

Inactive Publication Date: 2021-12-28
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, some plant-derived insecticides have also appeared on the market, but due to many reasons such as single ingredients, poor control effect, and short duration, it is difficult to be widely promoted in practical applications.

Method used

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  • Botanical vegetable insecticide as well as preparation method and application thereof
  • Botanical vegetable insecticide as well as preparation method and application thereof
  • Botanical vegetable insecticide as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The preparation method of embodiment 1 botanical vegetable insecticide composition is as follows:

[0043] The preparation method of S1, ginger extract is as follows:

[0044] (1) cleaning: choose the fresh ginger without disease, dry after cleaning with clear water;

[0045] (2) pulverizing: pulverize the above-mentioned ginger to a particle size of less than 100 mesh with a pulverizer;

[0046] (3) Extraction: Take 100 g of the pulverized powder and put it into 1500 ml of ultrapure water, extract in a water bath at 70°C for 3 hours, and stir once every 30 minutes during extraction;

[0047] (4) Filtration: filter the extract with four layers of sterile gauze;

[0048] (5) Concentrate the filtrate: combine the obtained filtrates and add them to a rotary evaporator, and rotate them to remove water at a temperature of 70°C to obtain an extract in the form of an extract;

[0049] (6) Drying: drying in an oven at 40°C, the weighed mass is (9.89±0.0245) g, and the calcul...

Embodiment 2

[0062] The preparation method of embodiment 2 botanical vegetable insecticide composition is as follows:

[0063] In the present embodiment S4, first take ginger extract 17.5g, black ugly extract 12.5g, green tomato extract 17.5g, and protamine 0.25g, ultrapure water 2.25 grams, mix well; and ginger extract preparation method, black Ugly extract preparation method, green tomato extract preparation method, and other parameters and steps are all the same as in Example 1.

Embodiment 3

[0064] The preparation method of embodiment 3 botanical vegetable insecticide composition is as follows:

[0065] In this example S4, first take 16g of ginger extract, 11g of black ugly extract, 16g of green tomato extract, and 0.20g of protamine, 6.8 grams of ultrapure water, and mix well; while the preparation method of ginger extract, black ugly extract The preparation method of the compound, the preparation method of the green tomato extract, and other parameters and steps are all the same as in Example 1.

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Abstract

The invention discloses a botanical vegetable insecticide as well as a preparation method and application thereof. The botanical vegetable insecticide is prepared from the following raw materials in percentage by weight: 30-35% of a ginger extract, 20-25% of a black morning glory extract, 30-35% of a green tomato extract, 0.3-0.5% of a preservative and the balance of ultrapure water. The insecticide is rich in raw material resources, low in cost, good in insecticidal effect, continuous and stable in pesticide effect and does not linger on agricultural products; meanwhile, the insecticide can remarkably inhibit the activity of vegetable pest acetylcholin esterase, and improve the insecticidal effect. The effective components of the pesticide all belong to plant sources, the pesticide is rich in source, is harmless to human and livestock, and is a botanical pesticide suitable for producing pollution-free vegetables.

Description

technical field [0001] The invention belongs to the technical field of vegetable insecticides, and in particular relates to a botanical vegetable insecticide and its preparation method and application. Background technique [0002] China is a large agricultural country. Vegetable production occupies an important proportion in agricultural production. It is one of the indispensable foods in people's daily life. The quality of vegetables is related to people's quality of life. At present, Lepidoptera pests such as diamondback moth, beet armyworm, Spodoptera litura, and olive armyworm are the most common pests and diseases that harm vegetable growth. Lepidoptera pests often cause the most serious damage to larvae. The larvae eat plants and their young parts directly with chewing mouthparts, seriously affecting the growth of vegetables, resulting in poor vegetable quality, reduced yields, and reduced economic value. [0003] Currently, chemical pesticides are mainly used to pre...

Claims

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Application Information

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IPC IPC(8): A01N65/48A01N65/38A01N65/08A01P7/04A01G13/00
CPCA01N65/00A01N65/48A01N65/38A01N65/08A01G13/00
Inventor 刘光富俞晓平王世贵张蓬军申屠旭萍郝培应
Owner CHINA JILIANG UNIV
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